GNU bug report logs - #51087
[PATCH] gnu: Add simdjson.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Greg Hogan <code <at> greghogan.com>
To: guix-patches <at> gnu.org
Subject: [PATCH] gnu: Add simdjson.
Date: Thu, 7 Oct 2021 14:12:21 -0400

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From a260708c520c744e492671914af02c5129ae9b4d Mon Sep 17 00:00:00 2001
From: Greg Hogan <code <at> greghogan.com>
Date: Mon, 27 Sep 2021 14:20:03 +0000
Subject: [PATCH] gnu: Add simdjson.

* gnu/packages/cpp.scm (simdjson): New variable.
---
 gnu/packages/cpp.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index 1fb4aa481f..ccdcb3f835 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -1347,3 +1347,29 @@ of reading and writing XML.")
     (description "Jsonnet is a templating language extending JSON
 syntax with variables, conditions, functions and more.")
     (license license:asl2.0)))
+
+(define-public simdjson
+  (package
+    (name "simdjson")
+    (version "1.0.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/simdjson/simdjson")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "08qpsw0i8481xlyyghzyszb1vh4c8i7krzzghvr9m4yg394vf6zn"))))
+    (build-system cmake-build-system)
+    (arguments
+     '(#:tests? #f                      ; tests require downloading
dependencies
+       #:configure-flags
+       '("-DBUILD_SHARED_LIBS=ON")))
+    (synopsis "JSON parser for C++ using SIMD instructions")
+    (description
+     "The simdjson library uses commonly available SIMD instructions and
+microparallel algorithms to implement a strict JSON parser with UTF-8
+validation.")
+    (home-page "https://github.com/simdjson/simdjson")
+    (license license:asl2.0)))
--
2.33.0

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[0001-gnu-Add-simdjson.patch (application/octet-stream, attachment)]

Message #10 received at 51087-done <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Greg Hogan <code <at> greghogan.com>
Cc: 51087-done <at> debbugs.gnu.org
Subject: Re: bug#51087: [PATCH] gnu: Add simdjson.
Date: Thu, 14 Oct 2021 14:58:44 +0200

Hi Greg,

Greg Hogan <code <at> greghogan.com> skribis:

> From a260708c520c744e492671914af02c5129ae9b4d Mon Sep 17 00:00:00 2001
> From: Greg Hogan <code <at> greghogan.com>
> Date: Mon, 27 Sep 2021 14:20:03 +0000
> Subject: [PATCH] gnu: Add simdjson.
>
> * gnu/packages/cpp.scm (simdjson): New variable.

Applied, thanks!

I was afraid of seeing ‘-mavx512’ or ‘-mtune=native’ flags, but
apparently there’s nothing like that, so I suppose it just builds for
the common ISA SIMD denominator?

> +    (arguments
> +     '(#:tests? #f                      ; tests require downloading dependencies

IWBN to see if we can get them to run, using packaged dependencies.

Ludo’.

Message #13 received at 51087-done <at> debbugs.gnu.org (full text, mbox):

From: Greg Hogan <code <at> greghogan.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 51087-done <at> debbugs.gnu.org
Subject: Re: bug#51087: [PATCH] gnu: Add simdjson.
Date: Wed, 3 Nov 2021 10:49:31 -0400

[Message part 1 (text/plain, inline)]

Hi Ludo',

On Thu, Oct 14, 2021 at 8:58 AM Ludovic Courtès <ludo <at> gnu.org> wrote:

> Hi Greg,
>
> Greg Hogan <code <at> greghogan.com> skribis:
>
> > From a260708c520c744e492671914af02c5129ae9b4d Mon Sep 17 00:00:00 2001
> > From: Greg Hogan <code <at> greghogan.com>
> > Date: Mon, 27 Sep 2021 14:20:03 +0000
> > Subject: [PATCH] gnu: Add simdjson.
> >
> > * gnu/packages/cpp.scm (simdjson): New variable.
>
> Applied, thanks!
>
> I was afraid of seeing ‘-mavx512’ or ‘-mtune=native’ flags, but
> apparently there’s nothing like that, so I suppose it just builds for
> the common ISA SIMD denominator?
>

AVX2 and additional implementations are provided.
https://github.com/simdjson/simdjson/blob/master/doc/implementation-selection.md#overview


> > +    (arguments
> > +     '(#:tests? #f                      ; tests require downloading
> dependencies
>
> IWBN to see if we can get them to run, using packaged dependencies.
>
> Ludo’.
>

Greg

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