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Subject: bug#69249: bug in native-compile?
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--000000000000a2b2730611a0632c
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Dear Emacs bug fixers,
Here is a report on what seems to me to be a bug in native-compile.
----------------------------------------------------------------------
;; Let us suppose that this is the file "compile-bug.el"
;; Invoking (native-compile "compile-bug.el") should work, I do believe.
;; However it fails and the error message is printed below.
;; It cannot be emphasized enough how serious this problem seems to me, Bob
;; Boyer, robertstephenboyer@HIDDEN
;; The reason it is so SERIOUS is that ANY Lisp compiler would need to be
;; delighted to see such a typing expression as
;; (declare (fixnum start end) (vector input scratch))
;; Why? BECAUSE it means that the compiler does not have to lay down code t=
o
;; type check the type of start, end, input, and scratch!!!!
;; However, (native-compile "compile-bug.el") results in the following
error message:
;; Compiling file
/mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb
16 08:25:19 2024
;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnum=E2=
=80=99 in foo
;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vector=E2=
=80=99 in foo
(defun foo (start end input scratch)
(declare (fixnum start end) (vector input scratch))
(list start end input scratch))
;; foo works fine
;; Here is an example form for the invocation of foo:
;; (foo 1 2 (make-vector 3 4) (make-vector 5 6))
;; That form runs ok if it is running with foo interpreted.
;; (byte-compile 'foo) runs ok.
;; One can run the same form after byte-compiling and it runs ok.
;; However, (native-compile "compile-bug.el") fails with
;; the error report:
;; Compiling file
/mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb
16 08:35:04 2024
;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98fixnum=E2=
=80=99 in foo
;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98vector=E2=
=80=99 in foo
;; Let us suppose that this is the end of the file "compile-bug.el"
----------------------------------------------------------------------
Here is the rest of the info that I think that m-x report-emacs-bug was
trying
to enclose in my failed attempt to use m-x report-emacs-bug.
Configured using:
'configure --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/28.2/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/28.2/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --with-cairo --with-x=3Dyes
--with-x-toolkit=3Dgtk3 --with-toolkit-scroll-bars 'CFLAGS=3D-g -O2
-ffile-prefix-map=3D/build/emacs-mPr7Vr/emacs-28.2+1=3D.
-fstack-protector-strong -Wformat -Werror=3Dformat-security -Wall'
'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D2' LDFLAGS=3D-Wl,-z,relro'
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF
TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: ELisp/d
Minor modes in effect:
shell-dirtrack-mode: t
display-time-mode: t
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Load-path shadows:
None found.
Features:
(shadow sort mail-extr emacsbug message rmc puny rfc822 mml mml-sec epa
derived epg rfc6068 epg-config gnus-util rmail rmail-loaddefs mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
mode-local autorevert filenotify descr-text eieio-opt speedbar ezimage
dframe shortdoc lpr apropos compile text-property-search comp comp-cstr
warnings rx cl-extra cl-print debug backtrace find-func help-fns
radix-tree help-mode thingatpt misearch multi-isearch time-date
cus-start etags fileloop generator xref project dired-aux cus-edit pp
cus-load wid-edit trace sh-script smie executable dired dired-loaddefs
cal-menu calendar cal-loaddefs ange-ftp shell pcomplete comint
ansi-color ring benchmark time face-remap finder-inf package browse-url
url url-proxy url-privacy url-expand url-methods url-history url-cookie
url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq
eieio eieio-core cl-macs eieio-loaddefs password-cache json subr-x map
url-vars seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib
iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer cl-generic
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice button loaddefs faces cus-face macroexp files
window text-properties overlay sha1 md5 base64 format env code-pages
mule custom widget hashtable-print-readable backquote threads dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit x multi-tty make-network-process
native-compile emacs)
Memory information:
((conses 16 440800 29368)
(symbols 48 15229 0)
(strings 32 57747 2517)
(string-bytes 1 4555170)
(vectors 16 31666)
(vector-slots 8 931977 74485)
(floats 8 118 370)
(intervals 56 88945 28)
(buffers 992 36))
ReplyForward
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<div dir=3D"ltr"><div style=3D"color:rgb(32,33,36);font-family:"Google=
Sans",Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:medium;=
min-height:100%"><div style=3D"width:1050px"><div style=3D"display:flex;bac=
kground-color:transparent"><div style=3D"overflow:hidden"><div style=3D"bor=
der-radius:16px;margin-bottom:16px;overflow-y:hidden"><div id=3D"m_-5399064=
851799512510gmail-:3" style=3D"background-image:initial;background-position=
:initial;background-size:initial;background-repeat:initial;background-origi=
n:initial;background-clip:initial;overflow-y:scroll;padding-right:0px;heigh=
t:342px"><div id=3D"m_-5399064851799512510gmail-:1" style=3D"padding:0px;ve=
rtical-align:bottom;min-height:151.671px"><div role=3D"main"><div style=3D"=
background-image:initial;background-position:initial;background-size:initia=
l;background-repeat:initial;background-origin:initial;background-clip:initi=
al;min-height:64ex;min-width:502px;margin:0px;padding-right:16px"><div><div=
style=3D"background-color:transparent;color:rgb(34,34,34);min-width:502px;=
padding:0px"><div role=3D"list"><div role=3D"listitem" aria-expanded=3D"tru=
e" style=3D"padding-bottom:0px;max-width:100000px;clear:both;outline:none">=
<div style=3D"margin-bottom:0px;border-width:0px;border-top-style:solid;bor=
der-right-style:initial;border-bottom-style:initial;border-left-style:initi=
al;border-top-color:rgb(239,239,239);border-right-color:initial;border-left=
-color:initial;border-bottom-color:initial;border-radius:0px;float:left;wid=
th:638.655px"><div style=3D"border-top:none;padding-top:0px;background-colo=
r:transparent;border-right:0px;border-bottom:0px rgba(100,121,143,0.12);bor=
der-left:0px;border-radius:0px;margin-bottom:0px;margin-left:0px;margin-rig=
ht:0px"><div id=3D"m_-5399064851799512510gmail-:ai"><div style=3D"border-le=
ft:none;padding:0px;display:flex"><div style=3D"margin:0px;min-width:0px;pa=
dding:0px 0px 20px;width:initial"><div id=3D"m_-5399064851799512510gmail-:j=
v" style=3D"direction:ltr;margin:8px 0px 0px;padding:0px;font-size:0.875rem=
;overflow-x:hidden"><div id=3D"m_-5399064851799512510gmail-:ag" style=3D"di=
rection:initial;font-variant-numeric:normal;font-variant-east-asian:normal;=
font-variant-alternates:normal;font-kerning:auto;font-feature-settings:norm=
al;font-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,He=
lvetica,sans-serif;overflow:auto hidden"><div>Dear Emacs bug fixers,</div><=
div><br></div><div>Here is a report on what seems to me to be a bug in nati=
ve-compile.</div><div dir=3D"ltr"><br></div><div dir=3D"ltr">--------------=
--------------------------------------------------------<br><br>;; Let us s=
uppose that this is the file "compile-bug.el"<br><br>;; Invoking =
(native-compile "compile-bug.el") should work, I do believe.<br>;=
; However it fails and the error message is printed below.<br><br>;; It can=
not be emphasized enough how serious this problem seems to me, Bob<br>;; Bo=
yer,=C2=A0<a href=3D"mailto:robertstephenboyer@HIDDEN" target=3D"_blank"=
>robertstephenboyer@HIDDEN</a>.<br><br>;; The reason it is so SERIOUS is=
that ANY Lisp compiler would need to be<br>;; delighted to see such a typi=
ng expression as<br><br>;; =C2=A0 (declare (fixnum start end) (vector input=
scratch))<br><br>;; Why? BECAUSE it means that the compiler does not have =
to lay down code to<br>;; type check the type of start, end, input, and scr=
atch!!!!<br><br>;; However, (native-compile "compile-bug.el") res=
ults in the following error message:<br><br>;; Compiling file /mnt/chromeos=
/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb 16 08:25:19 20=
24<br>;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixn=
um=E2=80=99 in foo<br>;; compile-bug.el:2:45: Warning: Unknown defun proper=
ty =E2=80=98vector=E2=80=99 in foo<br><br>(defun foo (start end input scrat=
ch)<br>=C2=A0 (declare (fixnum start end) (vector input scratch))<br>=C2=A0=
(list start end input scratch))<br><br>;; foo works fine<br><br>;; Here is=
an example form for the invocation of foo:<br><br>;; (foo 1 2 (make-vector=
3 4) (make-vector 5 6))<br><br>;; That form runs ok if it is running with =
foo interpreted.<br><br>;; (byte-compile 'foo) runs ok.<br><br>;; One c=
an run the same form after byte-compiling and it runs ok.<br><br>;; However=
, (native-compile "compile-bug.el") fails with<br>;; the error re=
port:<br><br>;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/work=
ing/compile-bug.el at Fri Feb 16 08:35:04 2024<br>;; compile-bug.el:12:45: =
Warning: Unknown defun property =E2=80=98fixnum=E2=80=99 in foo<br>;; compi=
le-bug.el:12:45: Warning: Unknown defun property =E2=80=98vector=E2=80=99 i=
n foo<br><br>;; Let us suppose that this is the end of the file "compi=
le-bug.el"<br><div>---------------------------------------------------=
-------------------<br><br>Here is the rest of the info that I think that m=
-x report-emacs-bug was trying<br>to enclose in my failed attempt to use m-=
x report-emacs-bug.<br><br><br>Configured using:<br>=C2=A0'configure --=
build x86_64-linux-gnu --prefix=3D/usr<br>=C2=A0--sharedstatedir=3D/var/lib=
--libexecdir=3D/usr/libexec<br>=C2=A0--localstatedir=3D/var/lib --infodir=
=3D/usr/share/info<br>=C2=A0--mandir=3D/usr/share/man --with-libsystemd --w=
ith-pop=3Dyes<br>=C2=A0--enable-locallisppath=3D/etc/emacs:/usr/local/share=
/emacs/28.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.=
2/site-lisp:/usr/share/emacs/site-lisp<br>=C2=A0--with-sound=3Dalsa --witho=
ut-gconf --with-mailutils<br>=C2=A0--with-native-compilation --build x86_64=
-linux-gnu --prefix=3D/usr<br>=C2=A0--sharedstatedir=3D/var/lib --libexecdi=
r=3D/usr/libexec<br>=C2=A0--localstatedir=3D/var/lib --infodir=3D/usr/share=
/info<br>=C2=A0--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes=
<br>=C2=A0--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/28.2/s=
ite-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.2/site-lisp:/=
usr/share/emacs/site-lisp<br>=C2=A0--with-sound=3Dalsa --without-gconf --wi=
th-mailutils<br>=C2=A0--with-native-compilation --with-cairo --with-x=3Dyes=
<br>=C2=A0--with-x-toolkit=3Dgtk3 --with-toolkit-scroll-bars 'CFLAGS=3D=
-g -O2<br>=C2=A0-ffile-prefix-map=3D/build/emacs-mPr7Vr/emacs-28.2+1=3D.<br=
>=C2=A0-fstack-protector-strong -Wformat -Werror=3Dformat-security -Wall=
9;<br>=C2=A0'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D2' LDFLAGS=
=3D-Wl,-z,relro'<br><br>Configured features:<br>ACL CAIRO DBUS FREETYPE=
GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG<br>JSON LCMS2 LIBOTF LIBSE=
LINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES<br>NATIVE_COMP NOTIFY INOTIFY PDU=
MPER PNG RSVG SECCOMP SOUND THREADS TIFF<br>TOOLKIT_SCROLL_BARS X11 XDBE XI=
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Subject: bug#69249: bug in native-compile?
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> Cc: rms@HIDDEN
> From: Robert Boyer <robertstephenboyer@HIDDEN>
> Date: Sat, 17 Feb 2024 22:26:27 -0600
>
> Here is a report on what seems to me to be a bug in native-compile.
>
> ----------------------------------------------------------------------
>
> ;; Let us suppose that this is the file "compile-bug.el"
>
> ;; Invoking (native-compile "compile-bug.el") should work, I do believe.
> ;; However it fails and the error message is printed below.
>
> ;; It cannot be emphasized enough how serious this problem seems to me, Bob
> ;; Boyer, robertstephenboyer@HIDDEN
>
> ;; The reason it is so SERIOUS is that ANY Lisp compiler would need to be
> ;; delighted to see such a typing expression as
>
> ;; (declare (fixnum start end) (vector input scratch))
>
> ;; Why? BECAUSE it means that the compiler does not have to lay down code to
> ;; type check the type of start, end, input, and scratch!!!!
>
> ;; However, (native-compile "compile-bug.el") results in the following error message:
>
> ;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb 16 08:25:19
> 2024
> ;; compile-bug.el:2:45: Warning: Unknown defun property ‘fixnum’ in foo
> ;; compile-bug.el:2:45: Warning: Unknown defun property ‘vector’ in foo
>
> (defun foo (start end input scratch)
> (declare (fixnum start end) (vector input scratch))
> (list start end input scratch))
>
> ;; foo works fine
>
> ;; Here is an example form for the invocation of foo:
>
> ;; (foo 1 2 (make-vector 3 4) (make-vector 5 6))
>
> ;; That form runs ok if it is running with foo interpreted.
>
> ;; (byte-compile 'foo) runs ok.
>
> ;; One can run the same form after byte-compiling and it runs ok.
>
> ;; However, (native-compile "compile-bug.el") fails with
> ;; the error report:
>
> ;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb 16 08:35:04
> 2024
> ;; compile-bug.el:12:45: Warning: Unknown defun property ‘fixnum’ in foo
> ;; compile-bug.el:12:45: Warning: Unknown defun property ‘vector’ in foo
Where did you see these declare forms documented? I don't see them in
the ELisp Reference manual. I think you copied them from some other
Lisp. In which case Emacs is correct telling you that these declare
forms are unknown.
Andrea, Stefan: am I right?
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> am I right?
Nope.
As my message points out, those declare forms are certainly accepted when
Emacs interprets them and when byte-compile sees them. Furthermore, such
declare forms are necessary for life as we know it in the free world, so
that fixnum arithmetic can be used where appropriate!
Bob
On Sun, Feb 18, 2024 at 1:44=E2=80=AFPM Eli Zaretskii <eliz@HIDDEN> wrote:
> > Cc: rms@HIDDEN
> > From: Robert Boyer <robertstephenboyer@HIDDEN>
> > Date: Sat, 17 Feb 2024 22:26:27 -0600
> >
> > Here is a report on what seems to me to be a bug in native-compile.
> >
> > ----------------------------------------------------------------------
> >
> > ;; Let us suppose that this is the file "compile-bug.el"
> >
> > ;; Invoking (native-compile "compile-bug.el") should work, I do believe=
.
> > ;; However it fails and the error message is printed below.
> >
> > ;; It cannot be emphasized enough how serious this problem seems to me,
> Bob
> > ;; Boyer, robertstephenboyer@HIDDEN
> >
> > ;; The reason it is so SERIOUS is that ANY Lisp compiler would need to =
be
> > ;; delighted to see such a typing expression as
> >
> > ;; (declare (fixnum start end) (vector input scratch))
> >
> > ;; Why? BECAUSE it means that the compiler does not have to lay down
> code to
> > ;; type check the type of start, end, input, and scratch!!!!
> >
> > ;; However, (native-compile "compile-bug.el") results in the following
> error message:
> >
> > ;; Compiling file
> /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb
> 16 08:25:19
> > 2024
> > ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnum=
=E2=80=99 in foo
> > ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vector=
=E2=80=99 in foo
> >
> > (defun foo (start end input scratch)
> > (declare (fixnum start end) (vector input scratch))
> > (list start end input scratch))
> >
> > ;; foo works fine
> >
> > ;; Here is an example form for the invocation of foo:
> >
> > ;; (foo 1 2 (make-vector 3 4) (make-vector 5 6))
> >
> > ;; That form runs ok if it is running with foo interpreted.
> >
> > ;; (byte-compile 'foo) runs ok.
> >
> > ;; One can run the same form after byte-compiling and it runs ok.
> >
> > ;; However, (native-compile "compile-bug.el") fails with
> > ;; the error report:
> >
> > ;; Compiling file
> /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb
> 16 08:35:04
> > 2024
> > ;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98fixnu=
m=E2=80=99 in foo
> > ;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98vecto=
r=E2=80=99 in foo
>
> Where did you see these declare forms documented? I don't see them in
> the ELisp Reference manual. I think you copied them from some other
> Lisp. In which case Emacs is correct telling you that these declare
> forms are unknown.
>
> Andrea, Stefan: am I right?
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
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<div dir=3D"ltr"><div>> am I right?</div><div><br></div><div>Nope.</div>=
<div><br></div><div>As my message points out, those declare forms are certa=
inly accepted when Emacs interprets them and when byte-compile=C2=A0sees th=
em.=C2=A0 Furthermore, such declare forms are necessary for life as we know=
it in the free world, so that fixnum arithmetic can be used where appropri=
ate!</div><div><br></div><div>Bob</div></div><br><div class=3D"gmail_quote"=
><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 18, 2024 at 1:44=E2=80=
=AFPM Eli Zaretskii <<a href=3D"mailto:eliz@HIDDEN">eliz@HIDDEN</a>>=
; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> Cc=
: <a href=3D"mailto:rms@HIDDEN" target=3D"_blank">rms@HIDDEN</a><br>
> From: Robert Boyer <<a href=3D"mailto:robertstephenboyer@HIDDEN"=
target=3D"_blank">robertstephenboyer@HIDDEN</a>><br>
> Date: Sat, 17 Feb 2024 22:26:27 -0600<br>
> <br>
> Here is a report on what seems to me to be a bug in native-compile.<br=
>
> <br>
> ----------------------------------------------------------------------=
<br>
> <br>
> ;; Let us suppose that this is the file "compile-bug.el"<br>
> <br>
> ;; Invoking (native-compile "compile-bug.el") should work, I=
do believe.<br>
> ;; However it fails and the error message is printed below.<br>
> <br>
> ;; It cannot be emphasized enough how serious this problem seems to me=
, Bob<br>
> ;; Boyer, <a href=3D"mailto:robertstephenboyer@HIDDEN" target=3D"_b=
lank">robertstephenboyer@HIDDEN</a>.<br>
> <br>
> ;; The reason it is so SERIOUS is that ANY Lisp compiler would need to=
be<br>
> ;; delighted to see such a typing expression as<br>
> <br>
> ;;=C2=A0 =C2=A0(declare (fixnum start end) (vector input scratch))<br>
> <br>
> ;; Why? BECAUSE it means that the compiler does not have to lay down c=
ode to<br>
> ;; type check the type of start, end, input, and scratch!!!!<br>
> <br>
> ;; However, (native-compile "compile-bug.el") results in the=
following error message:<br>
> <br>
> ;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/comp=
ile-bug.el at Fri Feb 16 08:25:19<br>
> 2024<br>
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnu=
m=E2=80=99 in foo<br>
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vecto=
r=E2=80=99 in foo<br>
> <br>
> (defun foo (start end input scratch)<br>
>=C2=A0 =C2=A0(declare (fixnum start end) (vector input scratch))<br>
>=C2=A0 =C2=A0(list start end input scratch))<br>
> <br>
> ;; foo works fine<br>
> <br>
> ;; Here is an example form for the invocation of foo:<br>
> <br>
> ;; (foo 1 2 (make-vector 3 4) (make-vector 5 6))<br>
> <br>
> ;; That form runs ok if it is running with foo interpreted.<br>
> <br>
> ;; (byte-compile 'foo) runs ok.<br>
> <br>
> ;; One can run the same form after byte-compiling and it runs ok.<br>
> <br>
> ;; However, (native-compile "compile-bug.el") fails with<br>
> ;; the error report:<br>
> <br>
> ;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/comp=
ile-bug.el at Fri Feb 16 08:35:04<br>
> 2024<br>
> ;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98fixn=
um=E2=80=99 in foo<br>
> ;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98vect=
or=E2=80=99 in foo<br>
<br>
Where did you see these declare forms documented?=C2=A0 I don't see the=
m in<br>
the ELisp Reference manual.=C2=A0 I think you copied them from some other<b=
r>
Lisp.=C2=A0 In which case Emacs is correct telling you that these declare<b=
r>
forms are unknown.<br>
<br>
Andrea, Stefan: am I right?<br>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr">Anything I seem to state should be taken as a question.=C2=
=A0 I am at least 77 and feeble.</div></div>
--000000000000f3c44c0611ada1fc--
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On Feb 18 2024, Robert Boyer wrote:
> Furthermore, such declare forms are necessary for life as we know it
> in the free world, so that fixnum arithmetic can be used where
> appropriate!
If you are programming in Emacs Lisp, you need to follow the rules of
Emacs Lisp.
--
Andreas Schwab, schwab@HIDDEN
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
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Robert Boyer <robertstephenboyer@HIDDEN> writes:
> ;; (byte-compile 'foo) runs ok.
This is only because the function `byte-compile' disables the display of
compiler warnings.
Sorry, but the feature you expect doesn't exist.
Michael.
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Subject: bug#69249: bug in native-compile?
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> ;; However, (native-compile "compile-bug.el") results in the following
> error message:
>
> ;; Compiling file
> /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri Feb
> 16 08:25:19 2024
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnum=
=E2=80=99 in foo
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vector=
=E2=80=99 in foo
First thing: these are not error messages! They're *warnings*!
`batch-byte-compile` also gives those warnings, because ELisp does not
know those declarations. The native compiler does support some type
annotations, but they do not take this shape.
I presume you took those from some other Lisp dialect, but that won't do
you much good. Scheme is not Clojure is not Common Lisp is not ELisp ...
BTW, A more recent Emacs would give you an additional warning:
Warning: file has no =E2=80=98lexical-binding=E2=80=99 directive on its=
first line
So, I see no bug. Did the resulting native-compile misbehave in
any way? I presume you're worried about its performance.
If so, do you have concrete code where you measured the performance and
were disappointed and where you have good reasons to believe that type
annotations would make a difference? If so, we'd be interested to see
your code to try and improve our compiler.
Stefan
X-Loop: help-debbugs@HIDDEN
Subject: bug#69249: bug in native-compile?
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From: Robert Boyer <robertstephenboyer@HIDDEN>
Date: Sun, 18 Feb 2024 16:19:49 -0600
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--00000000000051c6630611af62b7
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
This message is about how important DECLARE and THE are. If you do not
handle DECLARE and THE right, people will laugh at native-compile.
Here is an SBCL transcript. I am running on a $100 Lenovo Chromebook.
I got SBCL with the command sudo apt-get install sbcl.
* (declaim (optimize (safety 0) (speed 3) (debug 0)))
NIL
* (defun foo-with-declare (n)
(let ((i 0)
(sum 0)
(max (expt 10 n)))
(declare (fixnum i sum max))
(loop (cond ((<=3D i max)
(setq sum (the fixnum (+ sum i))))
(t (return sum)))
(incf i))))
FOO-WITH-DECLARE
* (time (foo-with-declare 8))
Evaluation took:
0.125 seconds of real time
0.123203 seconds of total run time (0.123193 user, 0.000010 system)
98.40% CPU
135,905,516 processor cycles
0 bytes consed
5000000050000000
* (defun foo-without-declare (n)
(let ((i 0)
(sum 0)
(max (expt 10 n)))
(loop (cond ((<=3D i max)
(setq sum (+ sum i)))
(t (return sum)))
(incf i))))
WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN
FOO-WITHOUT-DECLARE
* (time (foo-without-declare 8))
Evaluation took:
1.080 seconds of real time
1.072932 seconds of total run time (1.072932 user, 0.000000 system)
99.35% CPU
1,181,369,303 processor cycles
0 bytes consed
5000000050000000
People go wow about 8X. How does native-compile do?
There is a great song by Alabama 'If you gonna play in Texas, you gotta
have a fiddle in the band'. Check it out!
https://www.youtube.com/watch?v=3Dw6r4E514nJg
Bob
Bob
On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab <schwab@HIDDEN=
rg>
wrote:
> On Feb 18 2024, Robert Boyer wrote:
>
> > Furthermore, such declare forms are necessary for life as we know it
> > in the free world, so that fixnum arithmetic can be used where
> > appropriate!
>
> If you are programming in Emacs Lisp, you need to follow the rules of
> Emacs Lisp.
>
> --
> Andreas Schwab, schwab@HIDDEN
> GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC=
1
> "And now for something completely different."
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
--00000000000051c6630611af62b7
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div dir=3D"ltr"><div><font face=3D"monospace">This messag=
e is about how important DECLARE and THE are.=C2=A0 If you do not</font></d=
iv><div><font face=3D"monospace">handle DECLARE and THE right, people will =
laugh=C2=A0at native-compile.</font></div><div><font face=3D"monospace"><br=
></font></div><div><font face=3D"monospace">Here is</font><span style=3D"fo=
nt-family:monospace">=C2=A0an SBCL transcript.=C2=A0 I am running on a $100=
Lenovo Chromebook.</span></div><div><span style=3D"font-family:monospace">=
<br></span></div><div><font face=3D"monospace">I got SBCL with the command=
=C2=A0</font>sudo apt-get install sbcl.</div><div><font face=3D"monospace">=
<br></font></div><font face=3D"monospace">* (declaim (optimize (safety 0) (=
speed 3) (debug 0)))<br>NIL<br>* (defun foo-with-declare (n)<br>=C2=A0 (let=
((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (sum 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (declare (fixnum i sum max))<br>=C2=
=A0 =C2=A0 (loop (cond ((<=3D i max) <br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(setq sum (the fixnum (+ sum i))))<br>=C2=A0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (t (return sum)))<br>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (incf i))))<br>FOO-WITH-DECLARE<br>* (time =
(foo-with-declare 8))<br>Evaluation took:<br>=C2=A0 0.125 seconds of real t=
ime<br>=C2=A0 0.123203 seconds of total run time (0.123193 user, 0.000010 s=
ystem)<br>=C2=A0 98.40% CPU<br>=C2=A0 135,905,516 processor cycles<br>=C2=
=A0 0 bytes consed<br>5000000050000000<br>* (defun foo-without-declare (n)<=
br>=C2=A0 (let ((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (sum 0)<br>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (loop (cond ((<=3D=
i max) <br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(=
setq sum (+ sum i)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (incf i))))<=
br>WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN<br>FO=
O-WITHOUT-DECLARE<br>* (time (foo-without-declare 8))<br>Evaluation took:<b=
r>=C2=A0 1.080 seconds of real time<br>=C2=A0 1.072932 seconds of total run=
time (1.072932 user, 0.000000 system)<br>=C2=A0 99.35% CPU<br>=C2=A0 1,181=
,369,303 processor cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br><=
/font></div><div dir=3D"ltr"><font face=3D"monospace"><br></font></div><div=
><font face=3D"monospace">People go wow about 8X.=C2=A0 How does native-com=
pile do?</font></div><div><font face=3D"monospace"><br></font></div><div><f=
ont face=3D"monospace">There is a great song by Alabama 'If you gonna=
=C2=A0play in Texas, you gotta have a fiddle in the band'. Check it out=
!</font></div><div><br></div><div><a href=3D"https://www.youtube.com/watch?=
v=3Dw6r4E514nJg" target=3D"_blank">https://www.youtube.com/watch?v=3Dw6r4E5=
14nJg</a></div><div><br></div><div>Bob</div><div><br></div><div><font face=
=3D"monospace"><br></font></div><div><font face=3D"monospace">Bob</font></d=
iv><div><font face=3D"monospace"><br></font></div><font face=3D"monospace">=
<br></font><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"=
><font face=3D"monospace">On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas S=
chwab <<a href=3D"mailto:schwab@HIDDEN" target=3D"_blank">schwab=
@linux-m68k.org</a>> wrote:<br></font></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,2=
04);padding-left:1ex"><font face=3D"monospace">On Feb 18 2024, Robert Boyer=
wrote:<br>
<br>
> Furthermore, such declare forms are necessary for life as we know it<b=
r>
> in the free world, so that fixnum arithmetic can be used where<br>
> appropriate!<br>
<br>
If you are programming in Emacs Lisp, you need to follow the rules of<br>
Emacs Lisp.<br>
<br>
-- <br>
Andreas Schwab, <a href=3D"mailto:schwab@HIDDEN" target=3D"_blank">=
schwab@HIDDEN</a><br>
GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510=C2=A0 2552 DF73 E780 A9DA =
AEC1<br>
"And now for something completely different."<br>
</font></blockquote></div><font face=3D"monospace"><br clear=3D"all"></font=
><div><font face=3D"monospace"><br></font></div><font face=3D"monospace"><s=
pan class=3D"gmail_signature_prefix">-- </span><br></font><div dir=3D"ltr" =
class=3D"gmail_signature"><div dir=3D"ltr"><font face=3D"monospace">Anythin=
g I seem to state should be taken as a question.=C2=A0 I am at least 77 and=
feeble.</font></div></div></div>
--00000000000051c6630611af62b7--
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Subject: bug#69249: bug in native-compile?
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From: Robert Boyer <robertstephenboyer@HIDDEN>
Date: Sun, 18 Feb 2024 16:25:30 -0600
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--000000000000a733240611af761f
Content-Type: text/plain; charset="UTF-8"
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And you should know what DECLARE and THE do for AREF. All the difference
in the world, and I will give you a simple demo if you wish.
Bob
On Sun, Feb 18, 2024 at 4:19=E2=80=AFPM Robert Boyer <robertstephenboyer@gm=
ail.com>
wrote:
> This message is about how important DECLARE and THE are. If you do not
> handle DECLARE and THE right, people will laugh at native-compile.
>
> Here is an SBCL transcript. I am running on a $100 Lenovo Chromebook.
>
> I got SBCL with the command sudo apt-get install sbcl.
>
> * (declaim (optimize (safety 0) (speed 3) (debug 0)))
> NIL
> * (defun foo-with-declare (n)
> (let ((i 0)
> (sum 0)
> (max (expt 10 n)))
> (declare (fixnum i sum max))
> (loop (cond ((<=3D i max)
> (setq sum (the fixnum (+ sum i))))
> (t (return sum)))
> (incf i))))
> FOO-WITH-DECLARE
> * (time (foo-with-declare 8))
> Evaluation took:
> 0.125 seconds of real time
> 0.123203 seconds of total run time (0.123193 user, 0.000010 system)
> 98.40% CPU
> 135,905,516 processor cycles
> 0 bytes consed
> 5000000050000000
> * (defun foo-without-declare (n)
> (let ((i 0)
> (sum 0)
> (max (expt 10 n)))
> (loop (cond ((<=3D i max)
> (setq sum (+ sum i)))
> (t (return sum)))
> (incf i))))
> WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN
> FOO-WITHOUT-DECLARE
> * (time (foo-without-declare 8))
> Evaluation took:
> 1.080 seconds of real time
> 1.072932 seconds of total run time (1.072932 user, 0.000000 system)
> 99.35% CPU
> 1,181,369,303 processor cycles
> 0 bytes consed
> 5000000050000000
>
> People go wow about 8X. How does native-compile do?
>
> There is a great song by Alabama 'If you gonna play in Texas, you gotta
> have a fiddle in the band'. Check it out!
>
> https://www.youtube.com/watch?v=3Dw6r4E514nJg
>
> Bob
>
>
> Bob
>
>
> On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab <schwab@linux-m68k=
.org>
> wrote:
>
>> On Feb 18 2024, Robert Boyer wrote:
>>
>> > Furthermore, such declare forms are necessary for life as we know it
>> > in the free world, so that fixnum arithmetic can be used where
>> > appropriate!
>>
>> If you are programming in Emacs Lisp, you need to follow the rules of
>> Emacs Lisp.
>>
>> --
>> Andreas Schwab, schwab@HIDDEN
>> GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AE=
C1
>> "And now for something completely different."
>>
>
>
> --
> Anything I seem to state should be taken as a question. I am at least 77
> and feeble.
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
--000000000000a733240611af761f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">And you should know what DECLARE and THE do for AREF.=C2=
=A0 All the difference in the world, and I will give you a simple demo if y=
ou wish.<div><br></div><div>Bob</div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 18, 2024 at 4:19=E2=80=AFP=
M Robert Boyer <<a href=3D"mailto:robertstephenboyer@HIDDEN">robertst=
ephenboyer@HIDDEN</a>> wrote:<br></div><blockquote class=3D"gmail_quo=
te" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204=
);padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr"><div><font face=3D"mo=
nospace">This message is about how important DECLARE and THE are.=C2=A0 If =
you do not</font></div><div><font face=3D"monospace">handle DECLARE and THE=
right, people will laugh=C2=A0at native-compile.</font></div><div><font fa=
ce=3D"monospace"><br></font></div><div><font face=3D"monospace">Here is</fo=
nt><span style=3D"font-family:monospace">=C2=A0an SBCL transcript.=C2=A0 I =
am running on a $100 Lenovo Chromebook.</span></div><div><span style=3D"fon=
t-family:monospace"><br></span></div><div><font face=3D"monospace">I got SB=
CL with the command=C2=A0</font>sudo apt-get install sbcl.</div><div><font =
face=3D"monospace"><br></font></div><font face=3D"monospace">* (declaim (op=
timize (safety 0) (speed 3) (debug 0)))<br>NIL<br>* (defun foo-with-declare=
(n)<br>=C2=A0 (let ((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (sum 0)<br>=C2=A0=
=C2=A0 =C2=A0 =C2=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (declare (fixnum =
i sum max))<br>=C2=A0 =C2=A0 (loop (cond ((<=3D i max) <br>=C2=A0 =C2=A0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(setq sum (the fixnum (+ s=
um i))))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (t (ret=
urn sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (incf i))))<br>FOO-WITH-DE=
CLARE<br>* (time (foo-with-declare 8))<br>Evaluation took:<br>=C2=A0 0.125 =
seconds of real time<br>=C2=A0 0.123203 seconds of total run time (0.123193=
user, 0.000010 system)<br>=C2=A0 98.40% CPU<br>=C2=A0 135,905,516 processo=
r cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br>* (defun foo-witho=
ut-declare (n)<br>=C2=A0 (let ((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (sum 0)=
<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (loop (=
cond ((<=3D i max) <br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0(setq sum (+ sum i)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 (incf i))))<br>WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLAR=
E in DEFUN<br>FOO-WITHOUT-DECLARE<br>* (time (foo-without-declare 8))<br>Ev=
aluation took:<br>=C2=A0 1.080 seconds of real time<br>=C2=A0 1.072932 seco=
nds of total run time (1.072932 user, 0.000000 system)<br>=C2=A0 99.35% CPU=
<br>=C2=A0 1,181,369,303 processor cycles<br>=C2=A0 0 bytes consed<br>50000=
00050000000<br></font></div><div dir=3D"ltr"><font face=3D"monospace"><br><=
/font></div><div><font face=3D"monospace">People go wow about 8X.=C2=A0 How=
does native-compile do?</font></div><div><font face=3D"monospace"><br></fo=
nt></div><div><font face=3D"monospace">There is a great song by Alabama =
9;If you gonna=C2=A0play in Texas, you gotta have a fiddle in the band'=
. Check it out!</font></div><div><br></div><div><a href=3D"https://www.yout=
ube.com/watch?v=3Dw6r4E514nJg" target=3D"_blank">https://www.youtube.com/wa=
tch?v=3Dw6r4E514nJg</a></div><div><br></div><div>Bob</div><div><br></div><d=
iv><font face=3D"monospace"><br></font></div><div><font face=3D"monospace">=
Bob</font></div><div><font face=3D"monospace"><br></font></div><font face=
=3D"monospace"><br></font><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr"><font face=3D"monospace">On Sun, Feb 18, 2024 at 3:28=E2=80=
=AFPM Andreas Schwab <<a href=3D"mailto:schwab@HIDDEN" target=3D=
"_blank">schwab@HIDDEN</a>> wrote:<br></font></div><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px soli=
d rgb(204,204,204);padding-left:1ex"><font face=3D"monospace">On Feb 18 202=
4, Robert Boyer wrote:<br>
<br>
> Furthermore, such declare forms are necessary for life as we know it<b=
r>
> in the free world, so that fixnum arithmetic can be used where<br>
> appropriate!<br>
<br>
If you are programming in Emacs Lisp, you need to follow the rules of<br>
Emacs Lisp.<br>
<br>
-- <br>
Andreas Schwab, <a href=3D"mailto:schwab@HIDDEN" target=3D"_blank">=
schwab@HIDDEN</a><br>
GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510=C2=A0 2552 DF73 E780 A9DA =
AEC1<br>
"And now for something completely different."<br>
</font></blockquote></div><font face=3D"monospace"><br clear=3D"all"></font=
><div><font face=3D"monospace"><br></font></div><font face=3D"monospace"><s=
pan class=3D"gmail_signature_prefix">-- </span><br></font><div dir=3D"ltr" =
class=3D"gmail_signature"><div dir=3D"ltr"><font face=3D"monospace">Anythin=
g I seem to state should be taken as a question.=C2=A0 I am at least 77 and=
feeble.</font></div></div></div>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr">Anything I seem to state should be taken as a question.=C2=
=A0 I am at least 77 and feeble.</div></div>
--000000000000a733240611af761f--
X-Loop: help-debbugs@HIDDEN
Subject: bug#69249: bug in native-compile?
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From: Robert Boyer <robertstephenboyer@HIDDEN>
Date: Sun, 18 Feb 2024 16:39:25 -0600
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--00000000000070ebd70611afa81d
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Look out, here it comes, as Tracy Schwarz says.
The following DISASSEMBLE might tell you what you need to do for
native-compile.
Speaking with the utmost sincerity, I know less about the following than I
do about what Proust called the greatest painting in the world, the View of
Delft by Vermmer. Check it out.
https://www.mauritshuis.nl/en/our-collection/artworks/92-view-of-delft/
Again, this is in SBCL on my $100 Lenovo Chromebook.
* (disassemble 'foo-with-declare)
; disassembly for FOO-WITH-DECLARE
; Size: 60 bytes. Origin: #x52A4AF19 ;
FOO-WITH-DECLARE
; 19: 4883EC10 SUB RSP, 16
; 1D: BA14000000 MOV EDX, 20
; 22: B904000000 MOV ECX, 4
; 27: 48892C24 MOV [RSP], RBP
; 2B: 488BEC MOV RBP, RSP
; 2E: B842BD3550 MOV EAX, #x5035BD42 ; #<FDEFN
EXPT>
; 33: FFD0 CALL RAX
; 35: 31C0 XOR EAX, EAX
; 37: 31C9 XOR ECX, ECX
; 39: EB0C JMP L1
; 3B: 0F1F440000 NOP
; 40: L0: 4801C1 ADD RCX, RAX
; 43: 4883C002 ADD RAX, 2
; 47: L1: 4839D0 CMP RAX, RDX
; 4A: 7EF4 JLE L0
; 4C: 488BD1 MOV RDX, RCX
; 4F: 488BE5 MOV RSP, RBP
; 52: F8 CLC
; 53: 5D POP RBP
; 54: C3 RET
NIL
*
Bob
On Sun, Feb 18, 2024 at 4:25=E2=80=AFPM Robert Boyer <robertstephenboyer@gm=
ail.com>
wrote:
> And you should know what DECLARE and THE do for AREF. All the difference
> in the world, and I will give you a simple demo if you wish.
>
> Bob
>
> On Sun, Feb 18, 2024 at 4:19=E2=80=AFPM Robert Boyer <robertstephenboyer@=
gmail.com>
> wrote:
>
>> This message is about how important DECLARE and THE are. If you do not
>> handle DECLARE and THE right, people will laugh at native-compile.
>>
>> Here is an SBCL transcript. I am running on a $100 Lenovo Chromebook.
>>
>> I got SBCL with the command sudo apt-get install sbcl.
>>
>> * (declaim (optimize (safety 0) (speed 3) (debug 0)))
>> NIL
>> * (defun foo-with-declare (n)
>> (let ((i 0)
>> (sum 0)
>> (max (expt 10 n)))
>> (declare (fixnum i sum max))
>> (loop (cond ((<=3D i max)
>> (setq sum (the fixnum (+ sum i))))
>> (t (return sum)))
>> (incf i))))
>> FOO-WITH-DECLARE
>> * (time (foo-with-declare 8))
>> Evaluation took:
>> 0.125 seconds of real time
>> 0.123203 seconds of total run time (0.123193 user, 0.000010 system)
>> 98.40% CPU
>> 135,905,516 processor cycles
>> 0 bytes consed
>> 5000000050000000
>> * (defun foo-without-declare (n)
>> (let ((i 0)
>> (sum 0)
>> (max (expt 10 n)))
>> (loop (cond ((<=3D i max)
>> (setq sum (+ sum i)))
>> (t (return sum)))
>> (incf i))))
>> WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN
>> FOO-WITHOUT-DECLARE
>> * (time (foo-without-declare 8))
>> Evaluation took:
>> 1.080 seconds of real time
>> 1.072932 seconds of total run time (1.072932 user, 0.000000 system)
>> 99.35% CPU
>> 1,181,369,303 processor cycles
>> 0 bytes consed
>> 5000000050000000
>>
>> People go wow about 8X. How does native-compile do?
>>
>> There is a great song by Alabama 'If you gonna play in Texas, you gotta
>> have a fiddle in the band'. Check it out!
>>
>> https://www.youtube.com/watch?v=3Dw6r4E514nJg
>>
>> Bob
>>
>>
>> Bob
>>
>>
>> On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab <schwab@linux-m68=
k.org>
>> wrote:
>>
>>> On Feb 18 2024, Robert Boyer wrote:
>>>
>>> > Furthermore, such declare forms are necessary for life as we know it
>>> > in the free world, so that fixnum arithmetic can be used where
>>> > appropriate!
>>>
>>> If you are programming in Emacs Lisp, you need to follow the rules of
>>> Emacs Lisp.
>>>
>>> --
>>> Andreas Schwab, schwab@HIDDEN
>>> GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA A=
EC1
>>> "And now for something completely different."
>>>
>>
>>
>> --
>> Anything I seem to state should be taken as a question. I am at least 7=
7
>> and feeble.
>>
>
>
> --
> Anything I seem to state should be taken as a question. I am at least 77
> and feeble.
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
--00000000000070ebd70611afa81d
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div dir=3D"ltr"><font face=3D"monospace">Look out, here i=
t comes, as Tracy Schwarz says.</font><div><font face=3D"monospace"><br></f=
ont></div><div><font face=3D"monospace">The=C2=A0following DISASSEMBLE migh=
t tell you what you need to do for native-compile.=C2=A0</font></div><div><=
span style=3D"font-family:monospace"><br></span></div><div><span style=3D"f=
ont-family:monospace">Speaking with the utmost sincerity, I know less about=
the following than I do about what=C2=A0Proust called the greatest paintin=
g in the world, the View of Delft=C2=A0by Vermmer.=C2=A0 Check it out.</spa=
n></div><div><br></div><div><a href=3D"https://www.mauritshuis.nl/en/our-co=
llection/artworks/92-view-of-delft/">https://www.mauritshuis.nl/en/our-coll=
ection/artworks/92-view-of-delft/</a><font face=3D"monospace"><br></font><d=
iv><font face=3D"monospace"><br></font></div><div><span style=3D"font-famil=
y:monospace">Again, this is in SBCL on my $100 Lenovo Chromebook.</span></d=
iv><div><font face=3D"monospace"><br></font></div><div><font face=3D"monosp=
ace">* (disassemble 'foo-with-declare)<br>; disassembly for FOO-WITH-DE=
CLARE<br>; Size: 60 bytes. Origin: #x52A4AF19 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0; FOO-WITH-DE=
CLARE<br>; 19: =C2=A0 =C2=A0 =C2=A0 4883EC10 =C2=A0 =C2=A0 =C2=A0 =C2=A0 SU=
B RSP, 16<br>; 1D: =C2=A0 =C2=A0 =C2=A0 BA14000000 =C2=A0 =C2=A0 =C2=A0 MOV=
EDX, 20<br>; 22: =C2=A0 =C2=A0 =C2=A0 B904000000 =C2=A0 =C2=A0 =C2=A0 MOV =
ECX, 4<br>; 27: =C2=A0 =C2=A0 =C2=A0 48892C24 =C2=A0 =C2=A0 =C2=A0 =C2=A0 M=
OV [RSP], RBP<br>; 2B: =C2=A0 =C2=A0 =C2=A0 488BEC =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 MOV RBP, RSP<br>; 2E: =C2=A0 =C2=A0 =C2=A0 B842BD3550 =C2=A0 =C2=
=A0 =C2=A0 MOV EAX, #x5035BD42 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0; #<FDEFN EXPT><br>; 33: =C2=A0 =C2=A0 =C2=A0 FFD0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 CALL RAX<br>; 35: =C2=A0 =C2=A0 =C2=A0 31C0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 XOR EAX, EAX<br>; 37: =C2=A0 =C2=
=A0 =C2=A0 31C9 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 XOR ECX, ECX<br>;=
39: =C2=A0 =C2=A0 =C2=A0 EB0C =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 JM=
P L1<br>; 3B: =C2=A0 =C2=A0 =C2=A0 0F1F440000 =C2=A0 =C2=A0 =C2=A0 NOP<br>;=
40: L0: =C2=A0 4801C1 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ADD RCX, RAX<br>;=
43: =C2=A0 =C2=A0 =C2=A0 4883C002 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ADD RAX, 2<b=
r>; 47: L1: =C2=A0 4839D0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 CMP RAX, RDX<b=
r>; 4A: =C2=A0 =C2=A0 =C2=A0 7EF4 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
JLE L0<br>; 4C: =C2=A0 =C2=A0 =C2=A0 488BD1 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 MOV RDX, RCX<br>; 4F: =C2=A0 =C2=A0 =C2=A0 488BE5 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 MOV RSP, RBP<br>; 52: =C2=A0 =C2=A0 =C2=A0 F8 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 CLC<br>; 53: =C2=A0 =C2=A0 =C2=A0 5D=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 POP RBP<br>; 54: =C2=A0 =
=C2=A0 =C2=A0 C3 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 RET<br>NI=
L<br>*=C2=A0<br></font></div></div><div><font face=3D"monospace"><br></font=
></div><div><font face=3D"monospace">Bob</font></div><div><font face=3D"mon=
ospace"><br></font></div></div><font face=3D"monospace"><br></font><div cla=
ss=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"><font face=3D"mono=
space">On Sun, Feb 18, 2024 at 4:25=E2=80=AFPM Robert Boyer <<a href=3D"=
mailto:robertstephenboyer@HIDDEN">robertstephenboyer@HIDDEN</a>> w=
rote:<br></font></div><blockquote class=3D"gmail_quote" style=3D"margin:0px=
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><di=
v dir=3D"ltr"><font face=3D"monospace">And you should know what DECLARE and=
THE do for AREF.=C2=A0 All the difference in the world, and I will give yo=
u a simple demo if you wish.</font><div><font face=3D"monospace"><br></font=
></div><div><font face=3D"monospace">Bob</font></div></div><font face=3D"mo=
nospace"><br></font><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gm=
ail_attr"><font face=3D"monospace">On Sun, Feb 18, 2024 at 4:19=E2=80=AFPM =
Robert Boyer <<a href=3D"mailto:robertstephenboyer@HIDDEN" target=3D"=
_blank">robertstephenboyer@HIDDEN</a>> wrote:<br></font></div><blockq=
uote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1p=
x solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr=
"><div><font face=3D"monospace">This message is about how important DECLARE=
and THE are.=C2=A0 If you do not</font></div><div><font face=3D"monospace"=
>handle DECLARE and THE right, people will laugh=C2=A0at native-compile.</f=
ont></div><div><font face=3D"monospace"><br></font></div><div><font face=3D=
"monospace">Here is=C2=A0an SBCL transcript.=C2=A0 I am running on a $100 L=
enovo Chromebook.</font></div><div><font face=3D"monospace"><br></font></di=
v><div><font face=3D"monospace">I got SBCL with the command=C2=A0sudo apt-g=
et install sbcl.</font></div><div><font face=3D"monospace"><br></font></div=
><font face=3D"monospace">* (declaim (optimize (safety 0) (speed 3) (debug =
0)))<br>NIL<br>* (defun foo-with-declare (n)<br>=C2=A0 (let ((i 0)<br>=C2=
=A0 =C2=A0 =C2=A0 =C2=A0 (sum 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (max (expt =
10 n)))<br>=C2=A0 =C2=A0 (declare (fixnum i sum max))<br>=C2=A0 =C2=A0 (loo=
p (cond ((<=3D i max) <br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0(setq sum (the fixnum (+ sum i))))<br>=C2=A0 =C2=A0 =C2=A0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 (incf i))))<br>FOO-WITH-DECLARE<br>* (time (foo-with-decl=
are 8))<br>Evaluation took:<br>=C2=A0 0.125 seconds of real time<br>=C2=A0 =
0.123203 seconds of total run time (0.123193 user, 0.000010 system)<br>=C2=
=A0 98.40% CPU<br>=C2=A0 135,905,516 processor cycles<br>=C2=A0 0 bytes con=
sed<br>5000000050000000<br>* (defun foo-without-declare (n)<br>=C2=A0 (let =
((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (sum 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (loop (cond ((<=3D i max) <br>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(setq sum (+ =
sum i)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (t (ret=
urn sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (incf i))))<br>WARNING: re=
defining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN<br>FOO-WITHOUT-DECL=
ARE<br>* (time (foo-without-declare 8))<br>Evaluation took:<br>=C2=A0 1.080=
seconds of real time<br>=C2=A0 1.072932 seconds of total run time (1.07293=
2 user, 0.000000 system)<br>=C2=A0 99.35% CPU<br>=C2=A0 1,181,369,303 proce=
ssor cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br></font></div><d=
iv dir=3D"ltr"><font face=3D"monospace"><br></font></div><div><font face=3D=
"monospace">People go wow about 8X.=C2=A0 How does native-compile do?</font=
></div><div><font face=3D"monospace"><br></font></div><div><font face=3D"mo=
nospace">There is a great song by Alabama 'If you gonna=C2=A0play in Te=
xas, you gotta have a fiddle in the band'. Check it out!</font></div><d=
iv><font face=3D"monospace"><br></font></div><div><a href=3D"https://www.yo=
utube.com/watch?v=3Dw6r4E514nJg" target=3D"_blank"><font face=3D"monospace"=
>https://www.youtube.com/watch?v=3Dw6r4E514nJg</font></a></div><div><font f=
ace=3D"monospace"><br></font></div><div><font face=3D"monospace">Bob</font>=
</div><div><font face=3D"monospace"><br></font></div><div><font face=3D"mon=
ospace"><br></font></div><div><font face=3D"monospace">Bob</font></div><div=
><font face=3D"monospace"><br></font></div><font face=3D"monospace"><br></f=
ont><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"><font =
face=3D"monospace">On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab &=
lt;<a href=3D"mailto:schwab@HIDDEN" target=3D"_blank">schwab@linux-=
m68k.org</a>> wrote:<br></font></div><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad=
ding-left:1ex"><font face=3D"monospace">On Feb 18 2024, Robert Boyer wrote:=
<br>
<br>
> Furthermore, such declare forms are necessary for life as we know it<b=
r>
> in the free world, so that fixnum arithmetic can be used where<br>
> appropriate!<br>
<br>
If you are programming in Emacs Lisp, you need to follow the rules of<br>
Emacs Lisp.<br>
<br>
-- <br>
Andreas Schwab, <a href=3D"mailto:schwab@HIDDEN" target=3D"_blank">=
schwab@HIDDEN</a><br>
GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510=C2=A0 2552 DF73 E780 A9DA =
AEC1<br>
"And now for something completely different."<br>
</font></blockquote></div><font face=3D"monospace"><br clear=3D"all"></font=
><div><font face=3D"monospace"><br></font></div><font face=3D"monospace"><s=
pan class=3D"gmail_signature_prefix">-- </span><br></font><div dir=3D"ltr" =
class=3D"gmail_signature"><div dir=3D"ltr"><font face=3D"monospace">Anythin=
g I seem to state should be taken as a question.=C2=A0 I am at least 77 and=
feeble.</font></div></div></div>
</blockquote></div><font face=3D"monospace"><br clear=3D"all"></font><div><=
font face=3D"monospace"><br></font></div><font face=3D"monospace"><span cla=
ss=3D"gmail_signature_prefix">-- </span><br></font><div dir=3D"ltr" class=
=3D"gmail_signature"><div dir=3D"ltr"><font face=3D"monospace">Anything I s=
eem to state should be taken as a question.=C2=A0 I am at least 77 and feeb=
le.</font></div></div>
</blockquote></div><font face=3D"monospace"><br clear=3D"all"></font><div><=
font face=3D"monospace"><br></font></div><font face=3D"monospace"><span cla=
ss=3D"gmail_signature_prefix">-- </span><br></font><div dir=3D"ltr" class=
=3D"gmail_signature"><div dir=3D"ltr"><font face=3D"monospace">Anything I s=
eem to state should be taken as a question.=C2=A0 I am at least 77 and feeb=
le.</font></div></div></div>
--00000000000070ebd70611afa81d--
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If so, we'd be interested to see your code to try and improve our compiler=
.
I hope this helps. If not, please let me know.
Robert Boyer <robertstephenboyer@HIDDEN>
4:19=E2=80=AFPM (1 hour ago)
Reply to all
to Andreas, Eli, 69249, Andrea, Stefan, rms
This message is about how important DECLARE and THE are. If you do not
handle DECLARE and THE right, people will laugh at native-compile.
Here is an SBCL transcript. I am running on a $100 Lenovo Chromebook.
I got SBCL with the command sudo apt-get install sbcl.
* (declaim (optimize (safety 0) (speed 3) (debug 0)))
NIL
* (defun foo-with-declare (n)
(let ((i 0)
(sum 0)
(max (expt 10 n)))
(declare (fixnum i sum max))
(loop (cond ((<=3D i max)
(setq sum (the fixnum (+ sum i))))
(t (return sum)))
(incf i))))
FOO-WITH-DECLARE
* (time (foo-with-declare 8))
Evaluation took:
0.125 seconds of real time
0.123203 seconds of total run time (0.123193 user, 0.000010 system)
98.40% CPU
135,905,516 processor cycles
0 bytes consed
5000000050000000
* (defun foo-without-declare (n)
(let ((i 0)
(sum 0)
(max (expt 10 n)))
(loop (cond ((<=3D i max)
(setq sum (+ sum i)))
(t (return sum)))
(incf i))))
WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN
FOO-WITHOUT-DECLARE
* (time (foo-without-declare 8))
Evaluation took:
1.080 seconds of real time
1.072932 seconds of total run time (1.072932 user, 0.000000 system)
99.35% CPU
1,181,369,303 processor cycles
0 bytes consed
5000000050000000
People go wow about 8X. How does native-compile do?
There is a great song by Alabama 'If you gonna play in Texas, you gotta
have a fiddle in the band'. Check it out!
https://www.youtube.com/watch?v=3Dw6r4E514nJg
Bob
Bob
On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab <schwab@HIDDEN=
rg>
wrote:
> On Feb 18 2024, Robert Boyer wrote:
>
> > Furthermore, such declare forms are necessary for life as we know it
> > in the free world, so that fixnum arithmetic can be used where
> > appropriate!
>
> If you are programming in Emacs Lisp, you need to follow the rules of
> Emacs Lisp.
>
> --
> Andreas Schwab, schwab@HIDDEN
> GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC=
1
> "And now for something completely different."
>
--
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
Attachments area
Preview YouTube video If You're Gonna Play In Texas
If You're Gonna Play In Texas
<https://www.youtube.com/watch?v=3Dw6r4E514nJg&authuser=3D0>
Reply allReplyForward
Add reaction
On Sun, Feb 18, 2024 at 5:32=E2=80=AFPM Stefan Monnier <monnier@HIDDEN=
al.ca>
wrote:
> > ;; However, (native-compile "compile-bug.el") results in the following
> > error message:
> >
> > ;; Compiling file
> > /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri F=
eb
> > 16 08:25:19 2024
> > ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnum=
=E2=80=99 in foo
> > ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vector=
=E2=80=99 in foo
>
> First thing: these are not error messages! They're *warnings*!
>
> `batch-byte-compile` also gives those warnings, because ELisp does not
> know those declarations. The native compiler does support some type
> annotations, but they do not take this shape.
>
> I presume you took those from some other Lisp dialect, but that won't do
> you much good. Scheme is not Clojure is not Common Lisp is not ELisp ...
>
> BTW, A more recent Emacs would give you an additional warning:
>
> Warning: file has no =E2=80=98lexical-binding=E2=80=99 directive on i=
ts first line
>
> So, I see no bug. Did the resulting native-compile misbehave in
> any way? I presume you're worried about its performance.
> If so, do you have concrete code where you measured the performance and
> were disappointed and where you have good reasons to believe that type
> annotations would make a difference? If so, we'd be interested to see
> your code to try and improve our compiler.
>
>
> Stefan
>
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
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<div dir=3D"ltr">=C2=A0If so, we'd be interested to see your code to tr=
y and improve our compiler.<div><br></div><div>I hope this helps.=C2=A0 If =
not, please let me know.</div><div><br></div><div><br><div><br></div><div><=
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ight:20px"><div class=3D"gmail-iw gmail-ajw" style=3D"overflow:hidden;max-w=
idth:92%;display:inline-block"><span class=3D"gmail-hb" style=3D"vertical-a=
lign:top;color:rgb(94,94,94);font-size:0.75rem;line-height:20px">to=C2=A0<s=
pan name=3D"Andreas" class=3D"gmail-g2" style=3D"vertical-align:top">Andrea=
s</span>,=C2=A0<span name=3D"Eli" class=3D"gmail-g2" style=3D"vertical-alig=
n:top">Eli</span>,=C2=A0<span name=3D"69249" class=3D"gmail-g2" style=3D"ve=
rtical-align:top">69249</span>,=C2=A0<span name=3D"Andrea" class=3D"gmail-g=
2" style=3D"vertical-align:top">Andrea</span>,=C2=A0<span name=3D"Stefan" c=
lass=3D"gmail-g2" style=3D"vertical-align:top">Stefan</span>,=C2=A0<span na=
me=3D"rms" class=3D"gmail-g2" style=3D"vertical-align:top">rms</span></span=
></div><div id=3D"gmail-:19v" aria-haspopup=3D"true" class=3D"gmail-ajy" ro=
le=3D"button" tabindex=3D"0" aria-label=3D"Show details" style=3D"display:i=
nline-flex;margin-left:4px;vertical-align:top;border:none;outline:none"><im=
g class=3D"gmail-ajz" src=3D"https://mail.google.com/mail/u/0/images/cleard=
ot.gif" alt=3D"" style=3D"background: url("https://www.gstatic.com/ima=
ges/icons/material/system_gm/1x/arrow_drop_down_black_20dp.png") 50% 5=
0% / 20px no-repeat; cursor: pointer; padding: 0px; vertical-align: baselin=
e; height: 20px; width: 20px; border: none; margin: 0px 0px 0px auto; right=
: 0px; top: 0px; display: flex; opacity: 0.71;"></div></td></tr></tbody></t=
able></td></tr></tbody></table></div><div id=3D"gmail-:19b"><div class=3D"g=
mail-qQVYZb"></div><div class=3D"gmail-utdU2e"></div><div class=3D"gmail-lQ=
s8Hd"></div><div class=3D"gmail-wl4W9b" style=3D"display:flex"></div></div>=
<div class=3D"gmail-"><div class=3D"gmail-aHl" style=3D""></div><div id=3D"=
gmail-:19w" tabindex=3D"-1"></div><div id=3D"gmail-:19p" class=3D"gmail-ii =
gmail-gt" style=3D"direction:ltr;margin:8px 0px 0px;padding:0px;font-size:0=
.875rem;overflow-x:hidden"><div id=3D"gmail-:19g" class=3D"gmail-a3s gmail-=
aiL" style=3D"direction:initial;font-variant-numeric:normal;font-variant-ea=
st-asian:normal;font-variant-alternates:normal;font-kerning:auto;font-featu=
re-settings:normal;font-stretch:normal;font-size:small;line-height:1.5;font=
-family:Arial,Helvetica,sans-serif;overflow:auto hidden"><div dir=3D"ltr"><=
div dir=3D"ltr"><div><font face=3D"monospace">This message is about how imp=
ortant DECLARE and THE are.=C2=A0 If you do not</font></div><div><font face=
=3D"monospace">handle DECLARE and THE right, people will laugh=C2=A0at nati=
ve-compile.</font></div><div><font face=3D"monospace"><br></font></div><div=
><font face=3D"monospace">Here is</font><span style=3D"font-family:monospac=
e">=C2=A0an SBCL transcript.=C2=A0 I am running on a $100 Lenovo Chromebook=
.</span></div><div><span style=3D"font-family:monospace"><br></span></div><=
div><font face=3D"monospace">I got SBCL with the command=C2=A0</font>sudo a=
pt-get install sbcl.</div><div><font face=3D"monospace"><br></font></div><f=
ont face=3D"monospace">* (declaim (optimize (safety 0) (speed 3) (debug 0))=
)<br>NIL<br>* (defun foo-with-declare (n)<br>=C2=A0 (let ((i 0)<br>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 (sum 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (max (expt 10 n=
)))<br>=C2=A0 =C2=A0 (declare (fixnum i sum max))<br>=C2=A0 =C2=A0 (loop (c=
ond ((<=3D i max)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0(setq sum (the fixnum (+ sum i))))<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 (incf i))))<br>FOO-WITH-DECLARE<br>* (<span class=3D"gmail-il=
">time</span>=C2=A0(foo-with-declare 8))<br>Evaluation took:<br>=C2=A0 0.12=
5 seconds of real=C2=A0<span class=3D"gmail-il">time</span><br>=C2=A0 0.123=
203 seconds of total run=C2=A0<span class=3D"gmail-il">time</span>=C2=A0(0.=
123193 user, 0.000010 system)<br>=C2=A0 98.40% CPU<br>=C2=A0 135,905,516 pr=
ocessor cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br>* (defun foo=
-without-declare (n)<br>=C2=A0 (let ((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (=
sum 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (=
loop (cond ((<=3D i max)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0(setq sum (+ sum i)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 (incf i))))<br>WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT=
-DECLARE in DEFUN<br>FOO-WITHOUT-DECLARE<br>* (<span class=3D"gmail-il">tim=
e</span>=C2=A0(foo-without-declare 8))<br>Evaluation took:<br>=C2=A0 1.080 =
seconds of real=C2=A0<span class=3D"gmail-il">time</span><br>=C2=A0 1.07293=
2 seconds of total run=C2=A0<span class=3D"gmail-il">time</span>=C2=A0(1.07=
2932 user, 0.000000 system)<br>=C2=A0 99.35% CPU<br>=C2=A0 1,181,369,303 pr=
ocessor cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br></font></div=
><div dir=3D"ltr"><font face=3D"monospace"><br></font></div><div><font face=
=3D"monospace">People go wow about 8X.=C2=A0 How does native-compile do?</f=
ont></div><div><font face=3D"monospace"><br></font></div><div><font face=3D=
"monospace">There is a great song by Alabama 'If you gonna=C2=A0play in=
Texas, you gotta have a fiddle in the band'. Check it out!</font></div=
><div><br></div><div><a href=3D"https://www.youtube.com/watch?v=3Dw6r4E514n=
Jg" target=3D"_blank">https://www.youtube.com/watch?v=3Dw6r4E514nJg</a></di=
v><div><br></div><div>Bob</div><div><br></div><div><font face=3D"monospace"=
><br></font></div><div><font face=3D"monospace">Bob</font></div><div><font =
face=3D"monospace"><br></font></div><font face=3D"monospace"><br></font><di=
v class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"><font face=3D=
"monospace">On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab <<a h=
ref=3D"mailto:schwab@HIDDEN" target=3D"_blank">schwab@HIDDEN=
g</a>> wrote:<br></font></div><blockquote class=3D"gmail_quote" style=3D=
"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-le=
ft:1ex"><font face=3D"monospace">On Feb 18 2024, Robert Boyer wrote:<br><br=
>> Furthermore, such declare forms are necessary for life as we know it<=
br>> in the free world, so that fixnum arithmetic can be used where<br>&=
gt; appropriate!<br><br>If you are programming in Emacs Lisp, you need to f=
ollow the rules of<br>Emacs Lisp.<font color=3D"#888888"><br><br>--<br>Andr=
eas Schwab,=C2=A0<a href=3D"mailto:schwab@HIDDEN" target=3D"_blank"=
>schwab@HIDDEN</a><br>GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2=
510=C2=A0 2552 DF73 E780 A9DA AEC1<br>"And now for something completel=
y different."<br></font></font></blockquote></div><font color=3D"#8888=
88"><font face=3D"monospace"><br clear=3D"all"></font><div><font face=3D"mo=
nospace"><br></font></div><font face=3D"monospace"><span class=3D"gmail_sig=
nature_prefix">--</span><br></font><div dir=3D"ltr" class=3D"gmail_signatur=
e"><div dir=3D"ltr"><font face=3D"monospace">Anything I seem to state shoul=
d be taken as a question.=C2=A0 I am at least 77 and feeble.</font></div></=
div></font></div><div class=3D"gmail-yj6qo"></div><div class=3D"gmail-adL">=
</div></div></div><div id=3D"gmail-:19m" class=3D"gmail-hq gmail-gt gmail-a=
10" style=3D"font-size:0.875rem;margin:15px 0px;clear:both"><div class=3D"g=
mail-hp" style=3D"width:566.688px;border-top:1px dotted rgb(216,216,216)"><=
/div><div class=3D"gmail-a3I" style=3D"width:1px;height:1px;overflow:hidden=
">Attachments area</div><div id=3D"gmail-:1ah"></div><div id=3D"gmail-:19l"=
class=3D"gmail-aQH" style=3D"padding-top:16px"><span class=3D"gmail-aZo" s=
tyle=3D"display:block;float:left;margin:0px 0px 16px 16px;height:120px;widt=
h:180px"><a id=3D"gmail-:1ag" class=3D"gmail-aQy gmail-aZR gmail-e gmail-aZ=
r" href=3D"https://www.youtube.com/watch?v=3Dw6r4E514nJg&authuser=3D0" =
target=3D"_blank" role=3D"link" tabindex=3D"0" style=3D"color:rgb(34,34,34)=
;text-decoration-line:none;display:inline-block;height:120px;width:180px;ov=
erflow:hidden;outline:none"><span id=3D"gmail-:197" class=3D"gmail-a3I" sty=
le=3D"width:1px;height:1px;overflow:hidden">Preview YouTube video If You=
9;re Gonna Play In Texas</span><div aria-hidden=3D"true"><div class=3D"gmai=
l-aSG" style=3D"background-image:initial;background-position:initial;backgr=
ound-size:initial;background-repeat:initial;background-origin:initial;backg=
round-clip:initial;margin:auto"></div><div class=3D"gmail-aVY gmail-aZn" st=
yle=3D"overflow:visible;height:0px;border-top:1px solid rgb(229,229,229)"><=
div class=3D"gmail-aZm" style=3D"width:0px;height:118px;border-left:1px sol=
id rgb(229,229,229)"></div></div><div class=3D"gmail-aSH" style=3D"overflow=
:hidden"><img id=3D"gmail-:19a" class=3D"gmail-aQG gmail-aYB" src=3D"https:=
//i.ytimg.com/vi/w6r4E514nJg/mqdefault.jpg" style=3D"transition: opacity 0.=
5s linear 0s; opacity: 1; border: none; margin: auto; inset: -11.7942px -17=
.7995px; max-width: 120%; min-width: 100%;"><div id=3D"gmail-:1a8" class=3D=
"gmail-aYy" style=3D"background-color:rgba(0,0,0,0.4);border-top:none"><div=
class=3D"gmail-aYA" style=3D"float:left;display:flex;height:32px;width:32p=
x"><img id=3D"gmail-:194" class=3D"gmail-aSM" src=3D"https://ssl.gstatic.co=
m/docs/doclist/images/mediatype/icon_2_youtube_x16.png" style=3D"width: 16p=
x; height: 16px; border: none;"></div><div class=3D"gmail-aYz" style=3D"ove=
rflow:hidden"><div class=3D"gmail-a12"><div class=3D"gmail-aQA" style=3D"ov=
erflow:hidden;text-overflow:ellipsis;color:rgb(119,119,119);font-size:12px;=
font-weight:bold;line-height:16px;margin-right:32px;margin-top:8px"><span i=
d=3D"gmail-:195" class=3D"gmail-aV3" style=3D"color:rgb(255,255,255)">If Yo=
u're Gonna Play In Texas</span></div></div></div></div></div><div class=
=3D"gmail-aSI" style=3D"height:20px;width:20px;border-right:20px solid tran=
sparent"><div id=3D"gmail-:199" class=3D"gmail-aSJ" style=3D"width:0px;heig=
ht:0px;border-width:10px;border-style:solid;opacity:0.5;border-color:rgb(11=
9,119,119)"></div></div></div></a></span><div class=3D"gmail-aZK" style=3D"=
height:0px;overflow:hidden;clear:both"></div></div></div><div class=3D"gmai=
l-hi" style=3D"padding:0px;width:auto;background:rgb(242,242,242);margin:0p=
x;border-bottom-left-radius:1px;border-bottom-right-radius:1px"></div><div =
class=3D"gmail-WhmR8e" style=3D"clear:both"></div></div></div><div class=3D=
"gmail-ajx" style=3D"clear:both"></div></div><div class=3D"gmail-gA gmail-g=
t gmail-acV" style=3D"font-size:0.875rem;padding:0px;width:auto;border-bott=
om-left-radius:0px;border-bottom-right-radius:0px;border-top:none;margin:0p=
x;background-image:initial;background-position:initial;background-size:init=
ial;background-repeat:initial;background-origin:initial;background-clip:ini=
tial;font-family:"Google Sans",Roboto,RobotoDraft,Helvetica,Arial=
,sans-serif"><div class=3D"gmail-gB gmail-xu" style=3D"border-top:0px;paddi=
ng:0px"><div class=3D"gmail-ip gmail-iq" style=3D"clear:both;margin:0px;pad=
ding:16px 0px;border-top:none"><div id=3D"gmail-:19o"><table class=3D"gmail=
-cf gmail-wS" role=3D"presentation" style=3D"border-collapse:collapse"><tbo=
dy><tr><td class=3D"gmail-amq" style=3D"padding:0px 16px;vertical-align:top=
;width:44px"><img id=3D"gmail-:45_5" name=3D"gmail-:45" src=3D"https://lh3.=
googleusercontent.com/a/ACg8ocIKVvPVQGvSmqfNFnAMC1m3JsnLxjOKwP1VSlmS9rHJaqQ=
=3Ds40-p-mo" class=3D"gmail-ajn gmail-bofPge" style=3D"width: 40px; height:=
40px; display: block; border-radius: 50%;"></td><td class=3D"gmail-amr" st=
yle=3D"padding:0px;width:566.664px"><div class=3D"gmail-nr gmail-wR" style=
=3D"box-sizing:border-box;border-radius:1px;padding:0px;border:none;margin:=
0px"><div class=3D"gmail-amn" style=3D"color:inherit;height:auto;padding:0p=
x;display:flex;line-height:20px"><span id=3D"gmail-:19d" role=3D"link" tabi=
ndex=3D"0" class=3D"gmail-ams gmail-bkI" style=3D"border:1px solid rgb(116,=
119,117);display:inline-flex;font-size:0.875rem;background:none;border-radi=
us:18px;box-sizing:border-box;color:rgb(68,71,70);height:36px;outline:none;=
padding:0px 16px 0px 12px;min-width:104px;margin-right:8px">Reply all</span=
><span id=3D"gmail-:19f" role=3D"link" tabindex=3D"0" class=3D"gmail-ams gm=
ail-bkH" style=3D"border:1px solid rgb(116,119,117);display:inline-flex;fon=
t-size:0.875rem;background:none;border-radius:18px;box-sizing:border-box;co=
lor:rgb(68,71,70);height:36px;outline:none;padding:0px 16px 0px 12px;min-wi=
dth:104px;margin-right:8px">Reply</span><span id=3D"gmail-:19c" role=3D"lin=
k" tabindex=3D"0" class=3D"gmail-ams gmail-bkG" style=3D"border:1px solid r=
gb(116,119,117);display:inline-flex;font-size:0.875rem;background:none;bord=
er-radius:18px;box-sizing:border-box;color:rgb(68,71,70);height:36px;outlin=
e:none;padding:0px 16px 0px 12px;min-width:104px;margin-right:8px">Forward<=
/span><div class=3D"gmail-wrsVRe"><button class=3D"gmail-jWOS7-JX-I gmail-j=
WOS7-JX-I-ql-ay5-ays gmail-LS5phe" aria-label=3D"Add reaction" style=3D"mar=
gin-top:0px;background-image:initial;background-position:initial;background=
-size:initial;background-repeat:initial;background-origin:initial;backgroun=
d-clip:initial;border-width:initial;border-style:none;border-color:initial;=
display:inline-flex;line-height:inherit;outline:none"><span class=3D"gmail-=
bHC-Q" style=3D"overflow:hidden;outline:none;width:35.9953px;height:35.9953=
px"></span><span class=3D"gmail-jWOS7-JX-ank-Rtc0Jf" aria-hidden=3D"true" s=
tyle=3D"display:inline-block;line-height:0"><span class=3D"gmail-" aria-hid=
den=3D"true"></span></span><div class=3D"gmail-jWOS7-JX-ano" style=3D"left:=
auto; top: 17.9916px; transform: translateY(-50%); z-index: 1;"></div></bu=
tton><div class=3D"gmail-ne2Ple-oshW8e-J9" id=3D"gmail-tt-c3" role=3D"toolt=
ip" aria-hidden=3D"true" style=3D"height:1px;overflow:hidden">Add reaction<=
/div></div></div></div></td></tr></tbody></table></div></div></div></div></=
div></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gm=
ail_attr">On Sun, Feb 18, 2024 at 5:32=E2=80=AFPM Stefan Monnier <<a hre=
f=3D"mailto:monnier@HIDDEN">monnier@HIDDEN</a>> wrot=
e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> ;; Howev=
er, (native-compile "compile-bug.el") results in the following<br=
>
> error message:<br>
><br>
> ;; Compiling file<br>
> /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri =
Feb<br>
> 16 08:25:19 2024<br>
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnu=
m=E2=80=99 in foo<br>
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vecto=
r=E2=80=99 in foo<br>
<br>
First thing: these are not error messages!=C2=A0 They're *warnings*!<br=
>
<br>
`batch-byte-compile` also gives those warnings, because ELisp does not<br>
know those declarations.=C2=A0 The native compiler does support some type<b=
r>
annotations, but they do not take this shape.<br>
<br>
I presume you took those from some other Lisp dialect, but that won't d=
o<br>
you much good.=C2=A0 Scheme is not Clojure is not Common Lisp is not ELisp =
...<br>
<br>
BTW, A more recent Emacs would give you an additional warning:<br>
<br>
=C2=A0 =C2=A0 Warning: file has no =E2=80=98lexical-binding=E2=80=99 direct=
ive on its first line<br>
<br>
So, I see no bug.=C2=A0 Did the resulting native-compile misbehave in<br>
any way?=C2=A0 I presume you're worried about its performance.<br>
If so, do you have concrete code where you measured the performance and<br>
were disappointed and where you have good reasons to believe that type<br>
annotations would make a difference?=C2=A0 If so, we'd be interested to=
see<br>
your code to try and improve our compiler.<br>
<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Stefan<br>
<br>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr">Anything I seem to state should be taken as a question.=C2=
=A0 I am at least 77 and feeble.</div></div>
--00000000000072bfb80611b088e2--
X-Loop: help-debbugs@HIDDEN
Subject: bug#69249: bug in native-compile?
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From: Robert Boyer <robertstephenboyer@HIDDEN>
Date: Sun, 18 Feb 2024 17:46:09 -0600
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Robert Boyer <robertstephenboyer@HIDDEN>
4:39=E2=80=AFPM (1 hour ago)
Reply to all
to Andreas, Eli, 69249, Andrea, Stefan, rms
Look out, here it comes, as Tracy Schwarz says.
The following DISASSEMBLE might tell you what you need to do for
native-compile.
Speaking with the utmost sincerity, I know less about the following than I
do about what Proust called the greatest painting in the world, the View of
Delft by Vermmer. Check it out.
https://www.mauritshuis.nl/en/our-collection/artworks/92-view-of-delft/
Again, this is in SBCL on my $100 Lenovo Chromebook.
* (disassemble 'foo-with-declare)
; disassembly for FOO-WITH-DECLARE
; Size: 60 bytes. Origin: #x52A4AF19 ;
FOO-WITH-DECLARE
; 19: 4883EC10 SUB RSP, 16
; 1D: BA14000000 MOV EDX, 20
; 22: B904000000 MOV ECX, 4
; 27: 48892C24 MOV [RSP], RBP
; 2B: 488BEC MOV RBP, RSP
; 2E: B842BD3550 MOV EAX, #x5035BD42 ; #<FDEFN
EXPT>
; 33: FFD0 CALL RAX
; 35: 31C0 XOR EAX, EAX
; 37: 31C9 XOR ECX, ECX
; 39: EB0C JMP L1
; 3B: 0F1F440000 NOP
; 40: L0: 4801C1 ADD RCX, RAX
; 43: 4883C002 ADD RAX, 2
; 47: L1: 4839D0 CMP RAX, RDX
; 4A: 7EF4 JLE L0
; 4C: 488BD1 MOV RDX, RCX
; 4F: 488BE5 MOV RSP, RBP
; 52: F8 CLC
; 53: 5D POP RBP
; 54: C3 RET
NIL
*
On Sun, Feb 18, 2024 at 5:42=E2=80=AFPM Robert Boyer <robertstephenboyer@gm=
ail.com>
wrote:
> If so, we'd be interested to see your code to try and improve our
> compiler.
>
> I hope this helps. If not, please let me know.
>
>
>
> Robert Boyer <robertstephenboyer@HIDDEN>
> 4:19=E2=80=AFPM (1 hour ago)
> Reply to all
> to Andreas, Eli, 69249, Andrea, Stefan, rms
> This message is about how important DECLARE and THE are. If you do not
> handle DECLARE and THE right, people will laugh at native-compile.
>
> Here is an SBCL transcript. I am running on a $100 Lenovo Chromebook.
>
> I got SBCL with the command sudo apt-get install sbcl.
>
> * (declaim (optimize (safety 0) (speed 3) (debug 0)))
> NIL
> * (defun foo-with-declare (n)
> (let ((i 0)
> (sum 0)
> (max (expt 10 n)))
> (declare (fixnum i sum max))
> (loop (cond ((<=3D i max)
> (setq sum (the fixnum (+ sum i))))
> (t (return sum)))
> (incf i))))
> FOO-WITH-DECLARE
> * (time (foo-with-declare 8))
> Evaluation took:
> 0.125 seconds of real time
> 0.123203 seconds of total run time (0.123193 user, 0.000010 system)
> 98.40% CPU
> 135,905,516 processor cycles
> 0 bytes consed
> 5000000050000000
> * (defun foo-without-declare (n)
> (let ((i 0)
> (sum 0)
> (max (expt 10 n)))
> (loop (cond ((<=3D i max)
> (setq sum (+ sum i)))
> (t (return sum)))
> (incf i))))
> WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLARE in DEFUN
> FOO-WITHOUT-DECLARE
> * (time (foo-without-declare 8))
> Evaluation took:
> 1.080 seconds of real time
> 1.072932 seconds of total run time (1.072932 user, 0.000000 system)
> 99.35% CPU
> 1,181,369,303 processor cycles
> 0 bytes consed
> 5000000050000000
>
> People go wow about 8X. How does native-compile do?
>
> There is a great song by Alabama 'If you gonna play in Texas, you gotta
> have a fiddle in the band'. Check it out!
>
> https://www.youtube.com/watch?v=3Dw6r4E514nJg
>
> Bob
>
>
> Bob
>
>
> On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas Schwab <schwab@linux-m68k=
.org>
> wrote:
>
>> On Feb 18 2024, Robert Boyer wrote:
>>
>> > Furthermore, such declare forms are necessary for life as we know it
>> > in the free world, so that fixnum arithmetic can be used where
>> > appropriate!
>>
>> If you are programming in Emacs Lisp, you need to follow the rules of
>> Emacs Lisp.
>>
>> --
>> Andreas Schwab, schwab@HIDDEN
>> GPG Key fingerprint =3D 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AE=
C1
>> "And now for something completely different."
>>
>
>
> --
> Anything I seem to state should be taken as a question. I am at least 77
> and feeble.
> Attachments area
> Preview YouTube video If You're Gonna Play In Texas
> If You're Gonna Play In Texas
> <https://www.youtube.com/watch?v=3Dw6r4E514nJg&authuser=3D0>
> Reply allReplyForward
> Add reaction
>
> On Sun, Feb 18, 2024 at 5:32=E2=80=AFPM Stefan Monnier <monnier@HIDDEN=
real.ca>
> wrote:
>
>> > ;; However, (native-compile "compile-bug.el") results in the following
>> > error message:
>> >
>> > ;; Compiling file
>> > /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri
>> Feb
>> > 16 08:25:19 2024
>> > ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnu=
m=E2=80=99 in foo
>> > ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vecto=
r=E2=80=99 in foo
>>
>> First thing: these are not error messages! They're *warnings*!
>>
>> `batch-byte-compile` also gives those warnings, because ELisp does not
>> know those declarations. The native compiler does support some type
>> annotations, but they do not take this shape.
>>
>> I presume you took those from some other Lisp dialect, but that won't do
>> you much good. Scheme is not Clojure is not Common Lisp is not ELisp ..=
.
>>
>> BTW, A more recent Emacs would give you an additional warning:
>>
>> Warning: file has no =E2=80=98lexical-binding=E2=80=99 directive on =
its first line
>>
>> So, I see no bug. Did the resulting native-compile misbehave in
>> any way? I presume you're worried about its performance.
>> If so, do you have concrete code where you measured the performance and
>> were disappointed and where you have good reasons to believe that type
>> annotations would make a difference? If so, we'd be interested to see
>> your code to try and improve our compiler.
>>
>>
>> Stefan
>>
>>
>
> --
> Anything I seem to state should be taken as a question. I am at least 77
> and feeble.
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
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tell you what you need to do for native-compile.=C2=A0</font></div><div><s=
pan style=3D"font-family:monospace"><br></span></div><div><span style=3D"fo=
nt-family:monospace">Speaking with the utmost sincerity, I know less about =
the following than I do about what=C2=A0Proust called the greatest painting=
in the world, the View of Delft=C2=A0by Vermmer.=C2=A0 Check it out.</span=
></div><div><br></div><div><a href=3D"https://www.mauritshuis.nl/en/our-col=
lection/artworks/92-view-of-delft/" target=3D"_blank">https://www.mauritshu=
is.nl/en/our-collection/artworks/92-view-of-delft/</a><font face=3D"monospa=
ce"><br></font><div><font face=3D"monospace"><br></font></div><div><span st=
yle=3D"font-family:monospace">Again, this is in SBCL on my $100 Lenovo Chro=
mebook.</span></div><div><font face=3D"monospace"><br></font></div><div><fo=
nt face=3D"monospace">* (<span class=3D"gmail-il">disassemble</span>=C2=A0&=
#39;foo-with-declare)<br>;=C2=A0<span class=3D"gmail-il">disassembly</span>=
=C2=A0for FOO-WITH-DECLARE<br>; Size: 60 bytes. Origin: #x52A4AF19 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0; FOO-WITH-DECLARE<br>; 19: =C2=A0 =C2=A0 =C2=A0 4883EC10 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 SUB RSP, 16<br>; 1D: =C2=A0 =C2=A0 =C2=A0 BA14000000 =
=C2=A0 =C2=A0 =C2=A0 MOV EDX, 20<br>; 22: =C2=A0 =C2=A0 =C2=A0 B904000000 =
=C2=A0 =C2=A0 =C2=A0 MOV ECX, 4<br>; 27: =C2=A0 =C2=A0 =C2=A0 48892C24 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 MOV [RSP], RBP<br>; 2B: =C2=A0 =C2=A0 =C2=A0 488BE=
C =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 MOV RBP, RSP<br>; 2E: =C2=A0 =C2=A0 =
=C2=A0 B842BD3550 =C2=A0 =C2=A0 =C2=A0 MOV EAX, #x5035BD42 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0; #<FDEFN EXPT><br>; 33: =C2=A0 =C2=
=A0 =C2=A0 FFD0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 CALL RAX<br>; 35:=
=C2=A0 =C2=A0 =C2=A0 31C0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 XOR EA=
X, EAX<br>; 37: =C2=A0 =C2=A0 =C2=A0 31C9 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 XOR ECX, ECX<br>; 39: =C2=A0 =C2=A0 =C2=A0 EB0C =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 JMP L1<br>; 3B: =C2=A0 =C2=A0 =C2=A0 0F1F440000=
=C2=A0 =C2=A0 =C2=A0 NOP<br>; 40: L0: =C2=A0 4801C1 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 ADD RCX, RAX<br>; 43: =C2=A0 =C2=A0 =C2=A0 4883C002 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 ADD RAX, 2<br>; 47: L1: =C2=A0 4839D0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 CMP RAX, RDX<br>; 4A: =C2=A0 =C2=A0 =C2=A0 7EF4 =C2=A0=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 JLE L0<br>; 4C: =C2=A0 =C2=A0 =C2=A0 48=
8BD1 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 MOV RDX, RCX<br>; 4F: =C2=A0 =C2=A0=
=C2=A0 488BE5 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 MOV RSP, RBP<br>; 52: =C2=
=A0 =C2=A0 =C2=A0 F8 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 CLC<b=
r>; 53: =C2=A0 =C2=A0 =C2=A0 5D =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 POP RBP<br>; 54: =C2=A0 =C2=A0 =C2=A0 C3 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
=C2=A0 =C2=A0 =C2=A0 RET<br>NIL<br>*=C2=A0<br></font></div></div><br class=
=3D"gmail-Apple-interchange-newline"></div></div></div></div></div></div></=
div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On=
Sun, Feb 18, 2024 at 5:42=E2=80=AFPM Robert Boyer <<a href=3D"mailto:ro=
bertstephenboyer@HIDDEN">robertstephenboyer@HIDDEN</a>> wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">=
=C2=A0If so, we'd be interested to see your code to try and improve our=
compiler.<div><br></div><div>I hope this helps.=C2=A0 If not, please let m=
e know.</div><div><br></div><div><br><div><br></div><div><div style=3D"bord=
er-left:none;padding:0px;display:flex;font-family:"Google Sans",R=
oboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:medium"><div style=
=3D"display:flex;float:none;height:80px;padding:0px 16px;min-width:40px"><d=
iv><img id=3D"m_-2497710890071307433gmail-:45_6-e" name=3D"m_-2497710890071=
307433_gmail-:45" src=3D"https://lh3.googleusercontent.com/a/ACg8ocIKVvPVQG=
vSmqfNFnAMC1m3JsnLxjOKwP1VSlmS9rHJaqQ=3Ds40-p-mo" aria-hidden=3D"true" styl=
e=3D"width: 40px; height: 40px; display: block; border-radius: 50%; backgro=
und-color: rgb(204, 204, 204);"></div></div><div style=3D"margin:0px;min-wi=
dth:0px;padding:0px 0px 20px;width:initial"><div style=3D"font-size:0.875re=
m;padding:20px 0px 0px"><table cellpadding=3D"0" style=3D"border-collapse:c=
ollapse;margin-top:0px;width:auto;font-size:0.875rem;display:block"><tbody =
style=3D"display:block"><tr style=3D"display:flex;height:auto"><td style=3D=
"padding:0px;vertical-align:top;width:220.512px;line-height:20px;display:bl=
ock;max-height:20px"><table cellpadding=3D"0" style=3D"border-collapse:coll=
apse;table-layout:fixed;width:220.512px"><tbody><tr><td style=3D"display:fl=
ex"><div aria-label=3D"This message was replied to." role=3D"label" style=
=3D"background-image:url("https://www.gstatic.com/images/icons/materia=
l/system_gm/1x/reply_black_20dp.png");background-position:50% 50%;back=
ground-repeat:no-repeat;background-size:20px;height:20px;margin-right:8px;o=
pacity:0.54;width:20px"></div><h3 style=3D"overflow:hidden;font-size:0.75re=
m;font-weight:inherit;margin:inherit;text-overflow:ellipsis;color:rgb(95,99=
,104);line-height:20px"><span role=3D"gridcell"><span name=3D"Robert Boyer"=
style=3D"color:rgb(31,31,31);font-size:0.875rem;font-weight:bold;display:i=
nline;vertical-align:top;line-height:20px"><span style=3D"vertical-align:to=
p">Robert Boyer</span></span>=C2=A0<span></span><span style=3D"vertical-ali=
gn:top;color:rgb(94,94,94)"><span aria-hidden=3D"true"><</span><a href=
=3D"mailto:robertstephenboyer@HIDDEN" target=3D"_blank">robertstephenboy=
er@HIDDEN</a><span aria-hidden=3D"true">></span></span></span></h3></=
td></tr></tbody></table></td><td style=3D"text-align:right;vertical-align:t=
op;display:block;max-height:20px"><div style=3D"padding:0px;display:flex"><=
span id=3D"m_-2497710890071307433gmail-:1ac" title=3D"Feb 18, 2024, 4:19=E2=
=80=AFPM" alt=3D"Feb 18, 2024, 4:19=E2=80=AFPM" role=3D"gridcell" style=3D"=
vertical-align:top;margin:0px;font-size:0.75rem;color:rgb(94,94,94);display=
:block;line-height:20px">4:19=E2=80=AFPM (1 hour ago)</span><div aria-label=
=3D"Not starred" role=3D"checkbox" aria-checked=3D"false" style=3D"display:=
inline-block;height:20px;margin-left:20px;outline:0px"><span style=3D"displ=
ay:inline-flex;height:20px;text-align:center;width:20px;padding:0px;margin:=
0px;border:none;outline:none"></span></div></div></td><td style=3D"text-ali=
gn:right;vertical-align:top;display:flex"></td><td rowspan=3D"2" style=3D"t=
ext-align:right;vertical-align:top;display:block;max-height:20px"><div role=
=3D"button" aria-label=3D"Add reaction" style=3D"display:inline-flex;border=
-radius:2px 0px 0px 2px;font-size:0.875rem;text-align:center;margin:0px 0px=
0px 20px;height:20px;line-height:18px;min-width:auto;outline:none;padding:=
0px;background:transparent;color:rgb(68,68,68);border:none"><img role=3D"bu=
tton" src=3D"https://mail.google.com/mail/u/0/images/cleardot.gif" alt=3D""=
style=3D"background-image: url(""); background-position: 50% 50%=
; background-repeat: no-repeat; background-size: 20px; margin: 0px; vertica=
l-align: middle; opacity: 1; display: inline-block; height: 20px; padding: =
0px; width: 20px;"></div><div role=3D"button" style=3D"display:inline-flex;=
border-radius:4px;font-size:0.875rem;text-align:center;margin:0px 0px 0px 1=
0px;height:20px;line-height:18px;min-width:80px;outline:none;padding:0px 8p=
x;background:none;color:rgb(68,71,70);border:1px solid transparent;box-sizi=
ng:border-box"><img role=3D"button" src=3D"https://mail.google.com/mail/u/0=
/images/cleardot.gif" alt=3D"" style=3D"opacity: 1; vertical-align: middle;=
background: url("") 50% 50% / 20px no-repeat; height: 20px; marg=
in: 0px; width: 20px; display: inline-block; padding: 0px;"><span style=3D"=
margin-left:8px">Reply to all</span></div><div id=3D"m_-2497710890071307433=
gmail-:191" role=3D"button" aria-expanded=3D"false" aria-haspopup=3D"true" =
aria-label=3D"More message options" style=3D"display:inline-flex;border-rad=
ius:0px 2px 2px 0px;font-size:0.875rem;text-align:center;margin:0px 0px 0px=
10px;height:20px;line-height:18px;min-width:0px;outline:none;padding:0px;b=
ackground:transparent;color:rgb(68,68,68);border:none"><img role=3D"menu" s=
rc=3D"https://mail.google.com/mail/u/0/images/cleardot.gif" alt=3D"" style=
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idth: 20px; margin: 0px; vertical-align: middle; opacity: 1; display: inlin=
e-block; padding: 0px;"></div></td></tr><tr style=3D"display:flex;height:au=
to"><td colspan=3D"3"><table cellpadding=3D"0" style=3D"border-collapse:col=
lapse;table-layout:fixed;width:566.652px"><tbody><tr><td style=3D"overflow:=
visible;text-overflow:ellipsis;display:flex;line-height:20px"><div style=3D=
"overflow:hidden;max-width:92%;display:inline-block"><span style=3D"vertica=
l-align:top;color:rgb(94,94,94);font-size:0.75rem;line-height:20px">to=C2=
=A0<span name=3D"Andreas" style=3D"vertical-align:top">Andreas</span>,=C2=
=A0<span name=3D"Eli" style=3D"vertical-align:top">Eli</span>,=C2=A0<span n=
ame=3D"69249" style=3D"vertical-align:top">69249</span>,=C2=A0<span name=3D=
"Andrea" style=3D"vertical-align:top">Andrea</span>,=C2=A0<span name=3D"Ste=
fan" style=3D"vertical-align:top">Stefan</span>,=C2=A0<span name=3D"rms" st=
yle=3D"vertical-align:top">rms</span></span></div><div id=3D"m_-24977108900=
71307433gmail-:19v" aria-haspopup=3D"true" role=3D"button" aria-label=3D"Sh=
ow details" style=3D"display:inline-flex;margin-left:4px;vertical-align:top=
;border:none;outline:none"><img src=3D"https://mail.google.com/mail/u/0/ima=
ges/cleardot.gif" alt=3D"" style=3D"background: url("https://ci3.googl=
eusercontent.com/meips/ADKq_NYV2Or50ypV91q2_cRmF0R7YnTaptikVlQKU3MYUxIPOjCg=
L4OiX1XeB3Ljtr3ED_nQp6KBgm7p9KO1TspYnkzjeCUBICL0nmCBvjg_4ehtXl8uFUnoauN1bgz=
RHBQ6mqcNR2ik6yRjBWHdbkC79Q=3Ds0-d-e1-ft#https://www.gstatic.com/images/ico=
ns/material/system_gm/1x/arrow_drop_down_black_20dp.png") 50% 50% / 20=
px no-repeat; padding: 0px; vertical-align: baseline; height: 20px; width: =
20px; border: none; margin: 0px 0px 0px auto; display: flex; opacity: 0.71;=
"></div></td></tr></tbody></table></td></tr></tbody></table></div><div id=
=3D"m_-2497710890071307433gmail-:19b"><div></div><div></div><div></div><div=
style=3D"display:flex"></div></div><div><div></div><div id=3D"m_-249771089=
0071307433gmail-:19w"></div><div id=3D"m_-2497710890071307433gmail-:19p" st=
yle=3D"direction:ltr;margin:8px 0px 0px;padding:0px;font-size:0.875rem;over=
flow-x:hidden"><div id=3D"m_-2497710890071307433gmail-:19g" style=3D"direct=
ion:initial;font-variant-numeric:normal;font-variant-east-asian:normal;font=
-variant-alternates:normal;font-kerning:auto;font-feature-settings:normal;f=
ont-stretch:normal;font-size:small;line-height:1.5;font-family:Arial,Helvet=
ica,sans-serif;overflow:auto hidden"><div dir=3D"ltr"><div dir=3D"ltr"><div=
><font face=3D"monospace">This message is about how important DECLARE and T=
HE are.=C2=A0 If you do not</font></div><div><font face=3D"monospace">handl=
e DECLARE and THE right, people will laugh=C2=A0at native-compile.</font></=
div><div><font face=3D"monospace"><br></font></div><div><font face=3D"monos=
pace">Here is</font><span style=3D"font-family:monospace">=C2=A0an SBCL tra=
nscript.=C2=A0 I am running on a $100 Lenovo Chromebook.</span></div><div><=
span style=3D"font-family:monospace"><br></span></div><div><font face=3D"mo=
nospace">I got SBCL with the command=C2=A0</font>sudo apt-get install sbcl.=
</div><div><font face=3D"monospace"><br></font></div><font face=3D"monospac=
e">* (declaim (optimize (safety 0) (speed 3) (debug 0)))<br>NIL<br>* (defun=
foo-with-declare (n)<br>=C2=A0 (let ((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =
(sum 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 =
(declare (fixnum i sum max))<br>=C2=A0 =C2=A0 (loop (cond ((<=3D i max)<=
br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(setq sum =
(the fixnum (+ sum i))))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 (incf i)=
)))<br>FOO-WITH-DECLARE<br>* (<span>time</span>=C2=A0(foo-with-declare 8))<=
br>Evaluation took:<br>=C2=A0 0.125 seconds of real=C2=A0<span>time</span><=
br>=C2=A0 0.123203 seconds of total run=C2=A0<span>time</span>=C2=A0(0.1231=
93 user, 0.000010 system)<br>=C2=A0 98.40% CPU<br>=C2=A0 135,905,516 proces=
sor cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br>* (defun foo-wit=
hout-declare (n)<br>=C2=A0 (let ((i 0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (sum =
0)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 (max (expt 10 n)))<br>=C2=A0 =C2=A0 (loop=
(cond ((<=3D i max)<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
=C2=A0 =C2=A0(setq sum (+ sum i)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 (t (return sum)))<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 (incf i))))<br>WARNING: redefining COMMON-LISP-USER::FOO-WITHOUT-DECLAR=
E in DEFUN<br>FOO-WITHOUT-DECLARE<br>* (<span>time</span>=C2=A0(foo-without=
-declare 8))<br>Evaluation took:<br>=C2=A0 1.080 seconds of real=C2=A0<span=
>time</span><br>=C2=A0 1.072932 seconds of total run=C2=A0<span>time</span>=
=C2=A0(1.072932 user, 0.000000 system)<br>=C2=A0 99.35% CPU<br>=C2=A0 1,181=
,369,303 processor cycles<br>=C2=A0 0 bytes consed<br>5000000050000000<br><=
/font></div><div dir=3D"ltr"><font face=3D"monospace"><br></font></div><div=
><font face=3D"monospace">People go wow about 8X.=C2=A0 How does native-com=
pile do?</font></div><div><font face=3D"monospace"><br></font></div><div><f=
ont face=3D"monospace">There is a great song by Alabama 'If you gonna=
=C2=A0play in Texas, you gotta have a fiddle in the band'. Check it out=
!</font></div><div><br></div><div><a href=3D"https://www.youtube.com/watch?=
v=3Dw6r4E514nJg" target=3D"_blank">https://www.youtube.com/watch?v=3Dw6r4E5=
14nJg</a></div><div><br></div><div>Bob</div><div><br></div><div><font face=
=3D"monospace"><br></font></div><div><font face=3D"monospace">Bob</font></d=
iv><div><font face=3D"monospace"><br></font></div><font face=3D"monospace">=
<br></font><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"=
><font face=3D"monospace">On Sun, Feb 18, 2024 at 3:28=E2=80=AFPM Andreas S=
chwab <<a href=3D"mailto:schwab@HIDDEN" target=3D"_blank">schwab=
@linux-m68k.org</a>> wrote:<br></font></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,2=
04);padding-left:1ex"><font face=3D"monospace">On Feb 18 2024, Robert Boyer=
wrote:<br><br>> Furthermore, such declare forms are necessary for life =
as we know it<br>> in the free world, so that fixnum arithmetic can be u=
sed where<br>> appropriate!<br><br>If you are programming in Emacs Lisp,=
you need to follow the rules of<br>Emacs Lisp.<font color=3D"#888888"><br>=
<br>--<br>Andreas Schwab,=C2=A0<a href=3D"mailto:schwab@HIDDEN" tar=
get=3D"_blank">schwab@HIDDEN</a><br>GPG Key fingerprint =3D 7578 EB=
47 D4E5 4D69 2510=C2=A0 2552 DF73 E780 A9DA AEC1<br>"And now for somet=
hing completely different."<br></font></font></blockquote></div><font =
color=3D"#888888"><font face=3D"monospace"><br clear=3D"all"></font><div><f=
ont face=3D"monospace"><br></font></div><font face=3D"monospace"><span clas=
s=3D"gmail_signature_prefix">--</span><br></font><div dir=3D"ltr" class=3D"=
gmail_signature"><div dir=3D"ltr"><font face=3D"monospace">Anything I seem =
to state should be taken as a question.=C2=A0 I am at least 77 and feeble.<=
/font></div></div></font></div><div></div><div></div></div></div><div id=3D=
"m_-2497710890071307433gmail-:19m" style=3D"font-size:0.875rem;margin:15px =
0px;clear:both"><div style=3D"width:566.688px;border-top:1px dotted rgb(216=
,216,216)"></div><div style=3D"width:1px;height:1px;overflow:hidden">Attach=
ments area</div><div id=3D"m_-2497710890071307433gmail-:1ah"></div><div id=
=3D"m_-2497710890071307433gmail-:19l" style=3D"padding-top:16px"><span styl=
e=3D"display:block;float:left;margin:0px 0px 16px 16px;height:120px;width:1=
80px"><a id=3D"m_-2497710890071307433gmail-:1ag" href=3D"https://www.youtub=
e.com/watch?v=3Dw6r4E514nJg&authuser=3D0" role=3D"link" style=3D"color:=
rgb(34,34,34);text-decoration-line:none;display:inline-block;height:120px;w=
idth:180px;overflow:hidden;outline:none" target=3D"_blank"><span id=3D"m_-2=
497710890071307433gmail-:197" style=3D"width:1px;height:1px;overflow:hidden=
">Preview YouTube video If You're Gonna Play In Texas</span><div aria-h=
idden=3D"true"><div style=3D"background-image:initial;background-position:i=
nitial;background-size:initial;background-repeat:initial;background-origin:=
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/div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">O=
n Sun, Feb 18, 2024 at 5:32=E2=80=AFPM Stefan Monnier <<a href=3D"mailto=
:monnier@HIDDEN" target=3D"_blank">monnier@HIDDEN</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> ;=
; However, (native-compile "compile-bug.el") results in the follo=
wing<br>
> error message:<br>
><br>
> ;; Compiling file<br>
> /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compile-bug.el at Fri =
Feb<br>
> 16 08:25:19 2024<br>
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnu=
m=E2=80=99 in foo<br>
> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vecto=
r=E2=80=99 in foo<br>
<br>
First thing: these are not error messages!=C2=A0 They're *warnings*!<br=
>
<br>
`batch-byte-compile` also gives those warnings, because ELisp does not<br>
know those declarations.=C2=A0 The native compiler does support some type<b=
r>
annotations, but they do not take this shape.<br>
<br>
I presume you took those from some other Lisp dialect, but that won't d=
o<br>
you much good.=C2=A0 Scheme is not Clojure is not Common Lisp is not ELisp =
...<br>
<br>
BTW, A more recent Emacs would give you an additional warning:<br>
<br>
=C2=A0 =C2=A0 Warning: file has no =E2=80=98lexical-binding=E2=80=99 direct=
ive on its first line<br>
<br>
So, I see no bug.=C2=A0 Did the resulting native-compile misbehave in<br>
any way?=C2=A0 I presume you're worried about its performance.<br>
If so, do you have concrete code where you measured the performance and<br>
were disappointed and where you have good reasons to believe that type<br>
annotations would make a difference?=C2=A0 If so, we'd be interested to=
see<br>
your code to try and improve our compiler.<br>
<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Stefan<br>
<br>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr">Anything I seem to state should be taken as a question.=C2=
=A0 I am at least 77 and feeble.</div></div>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr">Anything I seem to state should be taken as a question.=C2=
=A0 I am at least 77 and feeble.</div></div>
--000000000000177afe0611b097cc--
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Subject: bug#69249: bug in native-compile?
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> From: Robert Boyer <robertstephenboyer@HIDDEN>
> Date: Sun, 18 Feb 2024 16:19:49 -0600
> Cc: Eli Zaretskii <eliz@HIDDEN>, 69249 <at> debbugs.gnu.org, Andrea Corallo <acorallo@HIDDEN>,
> Stefan Monnier <monnier@HIDDEN>, rms@HIDDEN
>
> This message is about how important DECLARE and THE are. If you do not
> handle DECLARE and THE right, people will laugh at native-compile.
I think you misunderstand what native compilation is and how it works
in Emacs. It is not what the SBCL compiler does, and thus it doesn't
work according to the same rules.
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Subject: bug#69249: bug in native-compile?
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--0000000000000578cc0611b41f57
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I promise not to talk to you ever again.
Goodbye.
Bob
On Sun, Feb 18, 2024 at 9:30=E2=80=AFPM Eli Zaretskii <eliz@HIDDEN> wrote:
> > From: Robert Boyer <robertstephenboyer@HIDDEN>
> > Date: Sun, 18 Feb 2024 16:19:49 -0600
> > Cc: Eli Zaretskii <eliz@HIDDEN>, 69249 <at> debbugs.gnu.org, Andrea Corallo
> <acorallo@HIDDEN>,
> > Stefan Monnier <monnier@HIDDEN>, rms@HIDDEN
> >
> > This message is about how important DECLARE and THE are. If you do not
> > handle DECLARE and THE right, people will laugh at native-compile.
>
> I think you misunderstand what native compilation is and how it works
> in Emacs. It is not what the SBCL compiler does, and thus it doesn't
> work according to the same rules.
>
--=20
Anything I seem to state should be taken as a question. I am at least 77
and feeble.
--0000000000000578cc0611b41f57
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<div dir=3D"ltr">I promise not to talk to you ever again.<div><br></div><di=
v>Goodbye.</div><div><br></div><div>Bob</div><div><br></div></div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 18,=
2024 at 9:30=E2=80=AFPM Eli Zaretskii <<a href=3D"mailto:eliz@HIDDEN">=
eliz@HIDDEN</a>> wrote:<br></div><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddin=
g-left:1ex">> From: Robert Boyer <<a href=3D"mailto:robertstephenboye=
r@HIDDEN" target=3D"_blank">robertstephenboyer@HIDDEN</a>><br>
> Date: Sun, 18 Feb 2024 16:19:49 -0600<br>
> Cc: Eli Zaretskii <<a href=3D"mailto:eliz@HIDDEN" target=3D"_blank=
">eliz@HIDDEN</a>>, <a href=3D"mailto:69249 <at> debbugs.gnu.org" target=3D"=
_blank">69249 <at> debbugs.gnu.org</a>, Andrea Corallo <<a href=3D"mailto:aco=
rallo@HIDDEN" target=3D"_blank">acorallo@HIDDEN</a>>, <br>
>=C2=A0 =C2=A0 =C2=A0 =C2=A0Stefan Monnier <<a href=3D"mailto:monnier=
@iro.umontreal.ca" target=3D"_blank">monnier@HIDDEN</a>>, <a h=
ref=3D"mailto:rms@HIDDEN" target=3D"_blank">rms@HIDDEN</a><br>
> <br>
> This message is about how important DECLARE and THE are.=C2=A0 If you =
do not<br>
> handle DECLARE and THE right, people will laugh at native-compile.<br>
<br>
I think you misunderstand what native compilation is and how it works<br>
in Emacs.=C2=A0 It is not what the SBCL compiler does, and thus it doesn=
9;t<br>
work according to the same rules.<br>
</blockquote></div><br clear=3D"all"><div><br></div><span class=3D"gmail_si=
gnature_prefix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><d=
iv dir=3D"ltr">Anything I seem to state should be taken as a question.=C2=
=A0 I am at least 77 and feeble.</div></div>
--0000000000000578cc0611b41f57--
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Subject: bug#69249: bug in native-compile?
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From: Andrea Corallo <acorallo@HIDDEN>
In-Reply-To: <86h6i5r20h.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 18 Feb
2024 21:44:14 +0200")
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Eli Zaretskii <eliz@HIDDEN> writes:
>> Cc: rms@HIDDEN
>> From: Robert Boyer <robertstephenboyer@HIDDEN>
>> Date: Sat, 17 Feb 2024 22:26:27 -0600
>>=20
>> Here is a report on what seems to me to be a bug in native-compile.
>>=20
>> ----------------------------------------------------------------------
>>=20
>> ;; Let us suppose that this is the file "compile-bug.el"
>>=20
>> ;; Invoking (native-compile "compile-bug.el") should work, I do believe.
>> ;; However it fails and the error message is printed below.
>>=20
>> ;; It cannot be emphasized enough how serious this problem seems to me, =
Bob
>> ;; Boyer, robertstephenboyer@HIDDEN
>>=20
>> ;; The reason it is so SERIOUS is that ANY Lisp compiler would need to be
>> ;; delighted to see such a typing expression as
>>=20
>> ;; (declare (fixnum start end) (vector input scratch))
>>=20
>> ;; Why? BECAUSE it means that the compiler does not have to lay down cod=
e to
>> ;; type check the type of start, end, input, and scratch!!!!
>>=20
>> ;; However, (native-compile "compile-bug.el") results in the following e=
rror message:
>>=20
>> ;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compil=
e-bug.el at Fri Feb 16 08:25:19
>> 2024
>> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98fixnum=
=E2=80=99 in foo
>> ;; compile-bug.el:2:45: Warning: Unknown defun property =E2=80=98vector=
=E2=80=99 in foo
>>=20
>> (defun foo (start end input scratch)
>> (declare (fixnum start end) (vector input scratch))
>> (list start end input scratch))
>>=20
>> ;; foo works fine
>>=20
>> ;; Here is an example form for the invocation of foo:
>>=20
>> ;; (foo 1 2 (make-vector 3 4) (make-vector 5 6))
>>=20
>> ;; That form runs ok if it is running with foo interpreted.
>>=20
>> ;; (byte-compile 'foo) runs ok.
>>=20
>> ;; One can run the same form after byte-compiling and it runs ok.
>>=20
>> ;; However, (native-compile "compile-bug.el") fails with
>> ;; the error report:
>>=20
>> ;; Compiling file /mnt/chromeos/GoogleDrive/MyDrive/Linux/working/compil=
e-bug.el at Fri Feb 16 08:35:04
>> 2024
>> ;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98fixnum=
=E2=80=99 in foo
>> ;; compile-bug.el:12:45: Warning: Unknown defun property =E2=80=98vector=
=E2=80=99 in foo
>
> Where did you see these declare forms documented? I don't see them in
> the ELisp Reference manual. I think you copied them from some other
> Lisp. In which case Emacs is correct telling you that these declare
> forms are unknown.
>
> Andrea, Stefan: am I right?
Hi Eli,
yes you are correct, we don't support this (so far at least).
Andrea
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severity 69249 wishlist
thanks
> From: Andrea Corallo <acorallo@HIDDEN>
> Cc: Robert Boyer <robertstephenboyer@HIDDEN>, Stefan Monnier
> <monnier@HIDDEN>, 69249 <at> debbugs.gnu.org, rms@HIDDEN
> Date: Mon, 19 Feb 2024 02:48:58 -0500
>
> Eli Zaretskii <eliz@HIDDEN> writes:
>
> > Where did you see these declare forms documented? I don't see them in
> > the ELisp Reference manual. I think you copied them from some other
> > Lisp. In which case Emacs is correct telling you that these declare
> > forms are unknown.
> >
> > Andrea, Stefan: am I right?
>
> Hi Eli,
>
> yes you are correct, we don't support this (so far at least).
OK, thanks. So I'm changing this bug's severity to "wishlist", as
appropriate for feature requests.
Received: (at control) by debbugs.gnu.org; 19 Feb 2024 12:49:56 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Feb 19 07:49:56 2024 Received: from localhost ([127.0.0.1]:40635 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1rc35n-0004UG-KO for submit <at> debbugs.gnu.org; Mon, 19 Feb 2024 07:49:55 -0500 Received: from eggs.gnu.org ([209.51.188.92]:55482) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1rc35k-0004Tt-GJ; Mon, 19 Feb 2024 07:49:53 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1rc35J-0007Q7-BO; Mon, 19 Feb 2024 07:49:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=DusOLTQVA8iTzn8NsUgfQHPEi3OMJ+03ah2Pp5k9qj8=; b=pmW2WcUJA2ox wtc8IZrtox4JZgvXv2baaM/rPi72/5g+U2sCCHOSOB0Fto/4hlPh+HxC/9aN2h9UlzQLDOgu/DOPI mXqQWsqMYxtuYYmXSyCOM3udelu9pRzmgPfSeBVAvG5cpCOhm1aFuOngI/h7LAoxiahPz/XEI6ST5 +Z4H1V+iCBZIizQhwlYaJPo2RA4yR44ut48KTH1R/U8u0FfKeAV0oMls1O5wM8GUTfJ3+AoI6NLA0 wcS55SG4iYHXvXDvBgRhgwXedr0v7A2lHSf8VrfnCPPmSyXE9uOi1R5DIv9Q1jOJ/BHQg/u0JbG3r IiGwzUytQ0X5BCvNWBwQ5w==; Date: Mon, 19 Feb 2024 14:49:16 +0200 Message-Id: <86ttm4pqk3.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Andrea Corallo <acorallo@HIDDEN> In-Reply-To: <yp1le7gao7p.fsf@HIDDEN> (message from Andrea Corallo on Mon, 19 Feb 2024 02:48:58 -0500) Subject: Re: bug#69249: bug in native-compile? References: <CAP9n0TMU__grxzD505CHWUA_5M95aZOY5jpHHf_QP7_McUepRg@HIDDEN> <86h6i5r20h.fsf@HIDDEN> <yp1le7gao7p.fsf@HIDDEN> X-Spam-Score: -4.2 (----) X-Debbugs-Envelope-To: control Cc: robertstephenboyer@HIDDEN, monnier@HIDDEN, rms@HIDDEN, 69249 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.2 (-----) severity 69249 wishlist thanks > From: Andrea Corallo <acorallo@HIDDEN> > Cc: Robert Boyer <robertstephenboyer@HIDDEN>, Stefan Monnier > <monnier@HIDDEN>, 69249 <at> debbugs.gnu.org, rms@HIDDEN > Date: Mon, 19 Feb 2024 02:48:58 -0500 > > Eli Zaretskii <eliz@HIDDEN> writes: > > > Where did you see these declare forms documented? I don't see them in > > the ELisp Reference manual. I think you copied them from some other > > Lisp. In which case Emacs is correct telling you that these declare > > forms are unknown. > > > > Andrea, Stefan: am I right? > > Hi Eli, > > yes you are correct, we don't support this (so far at least). OK, thanks. So I'm changing this bug's severity to "wishlist", as appropriate for feature requests.
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