Received: (at 70686-done) by debbugs.gnu.org; 1 Mar 2025 02:37:48 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Feb 28 21:37:48 2025 Received: from localhost ([127.0.0.1]:56420 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1toCjb-00033s-TM for submit <at> debbugs.gnu.org; Fri, 28 Feb 2025 21:37:48 -0500 Received: from mail-ed1-x52d.google.com ([2a00:1450:4864:20::52d]:46474) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from <stefankangas@HIDDEN>) id 1toCja-00033V-BD for 70686-done <at> debbugs.gnu.org; Fri, 28 Feb 2025 21:37:47 -0500 Received: by mail-ed1-x52d.google.com with SMTP id 4fb4d7f45d1cf-5e08064b4ddso3604293a12.1 for <70686-done <at> debbugs.gnu.org>; Fri, 28 Feb 2025 18:37:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740796660; x=1741401460; darn=debbugs.gnu.org; h=cc:to:subject:message-id:date:mime-version:references:in-reply-to :from:from:to:cc:subject:date:message-id:reply-to; bh=ibYWTzG/TeGxfXnCIFaNCIGG6UpAdWlCxk8WWYiWPtc=; b=AqfSkpeJZhix+2UPHRr8p/rxm6gh45nxe32cmTN/0Db9foQsqEdPUidh7yYjjuE6yK yLWl8iEUvdg7XkMRhc6BgpeAQWrpBN3WhkPgaO7wv+iE70a43LBtQleVsWJ1bNpNMJ4V t02L6AL8WRhHiILoBn/nAFCom3cqLhXfPFH/Y9i8sEsRdcBNjKqar5T233tS8x73uQqn 9GnuGng7Bd4df41VhqOEhIO0+KS2ElRCkzMLbnJZnX5k6Jd3qRFPBtbVUkv5Wkn93Tir RSUdvS1PYZNRq7yqQw6EkdHEJBDEMtNT3vLAmqEjvxfMCsdKBTfAwu+AR2SjyGkLDJyA wETg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740796660; x=1741401460; h=cc:to:subject:message-id:date:mime-version:references:in-reply-to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ibYWTzG/TeGxfXnCIFaNCIGG6UpAdWlCxk8WWYiWPtc=; b=SffBn+50TirnP1tjMTS7EJwIVbBuHJZyD2nN9tN8NTQp0AkW2WDJGj0Q6342s+Tbzs 9a+ckNCat3PDGmPChVZTGaQBnbSrJR5Ts7dKiH/h1Cto3R5qCBgN4Vy/jp6dXitRmV7/ 04GTwdLBKErxjfypVvhdPWGymiNpfPYzmVHSfqRwWo7emBD3Mvlw8bpfA1R5rH0dqjIS 0zLGSJcDBcy64l32K4+1dxbnUty2S2sAlfyZi7or3d/wMAI6PRbWoc+70bRtFQa1PV2g IsiXFTM00+Ix6vzwvQamjKNoao3kYUhE9Znet1c1zmT/3nSrNe3/G0kGX8d9F8mVpLm3 lxdg== X-Forwarded-Encrypted: i=1; AJvYcCWJUk6N1y1Fgb+oU7r0HaH8ugZdqXx9jlwiiI25T4r10hgufEoaNDzELyb+FDyf+gBsj0MLze/4tcrD <at> debbugs.gnu.org X-Gm-Message-State: AOJu0Yxsarwj9Yk6hLSth28TEGltctnAxhbzaorK16RxXlFQvDtw86Q2 4nBQOAdeK8almO6738Liy2DMFKzc/zSo28h5RjnqsTaEAIYY1PK5E+lXdnx6ou1zlmKJNzkERMq 7MADJY0S36Xhb6ViXoHOs3pEm22I= X-Gm-Gg: ASbGncu0HPF4JwFc2WHKYd2CNggIJSUue7JY/lcN5lI2S7Li8jBklSvWj6bkFgfHC1j 05Cmaf20UtEC80VFPyzFMUZDu2ISRwtkbmsFKl+5HgLwDUV2Lkwbn4cN4kRK9oBOy5iMtG81doC befZmJs07If/Nz8LbrSe+woogYmbM= X-Google-Smtp-Source: AGHT+IH60LwKxlr58IbvLDEvjVqHSBO31CHjGkXVgxNf0Vu1ONLe5bvc4pB1/luRWgS6FBzaYHTJQU+4H/OaxjPHfII= X-Received: by 2002:a05:6402:5255:b0:5e4:b413:3d72 with SMTP id 4fb4d7f45d1cf-5e4d6b09dcamr5132363a12.16.1740796660265; Fri, 28 Feb 2025 18:37:40 -0800 (PST) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Fri, 28 Feb 2025 18:37:39 -0800 From: Stefan Kangas <stefankangas@HIDDEN> In-Reply-To: <86y18togms.fsf@HIDDEN> References: <87y18uwgsk.fsf@HIDDEN> <86bk5ppwss.fsf@HIDDEN> <87ttjhwwnr.fsf@HIDDEN> <86y18togms.fsf@HIDDEN> MIME-Version: 1.0 Date: Fri, 28 Feb 2025 18:37:39 -0800 X-Gm-Features: AQ5f1JqqgmkEiwFLWRjQNG-VAoQCNAP9bZC1bSBTZFrbyfZpR6EArGJzEd1t5uQ Message-ID: <CADwFkmn_vuwpV+vuiB_09EeAfmG-=f-8CQFToKDdEbkQQ16rzg@HIDDEN> Subject: Re: bug#70686: 30.0.50; cl--position is slow To: Eli Zaretskii <eliz@HIDDEN> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 70686-done Cc: 70686-done <at> debbugs.gnu.org, No Wayman <iarchivedmywholelife@HIDDEN> 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: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: >> From: No Wayman <iarchivedmywholelife@HIDDEN> >> Cc: 70686 <at> debbugs.gnu.org >> Date: Wed, 01 May 2024 08:20:56 -0400 >> >> It would be preferable to improve the performance of that >> function, as it would benefit anyone using it. > > Sure, if you have a patch to improve performance, please share it. > > But otherwise asking for better performance here is not very useful, > because we'd like to improve performance of everything in Emacs. IOW, > the need and the motivation exist, but without some practical > suggestion how to improve there's no way to resolve such issues raised > here. > > So: > >> Slow performance, especially in a widely used library like cl-lib, >> is a bug. >> Where would you prefer such observations be reported? > > I think only cases of abysmally inadequate and terribly slow > performance should be reported as bugs, when there's no practical > suggestion for improving the performance. > >> Are you confident the performance trade-off is due to dispatching >> on sequence types in this case? >> Do you think the performance could be improved without sacrificing >> that flexibility? >> I'll dig into it more when I have time, but I'm starting a >> discussion here in case someone has already made an attempt or >> knows the answers to those questions. > > Discussions generally don't belong here. A better place for that is > emacs-devel, if only because many more people read it. > > Thanks. I'd tend to agree. It's hard to do anything actionable with this bug report. Work on improving the performance of cl--position and everything else is of course more than welcome. I'm therefore closing this bug report.
No Wayman <iarchivedmywholelife@HIDDEN>:Stefan Kangas <stefankangas@HIDDEN>:Received: (at 70686) by debbugs.gnu.org; 1 May 2024 12:34:56 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed May 01 08:34:56 2024 Received: from localhost ([127.0.0.1]:37266 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1s29Al-0006QM-Tc for submit <at> debbugs.gnu.org; Wed, 01 May 2024 08:34:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37584) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1s29Aj-0006QE-8c for 70686 <at> debbugs.gnu.org; Wed, 01 May 2024 08:34:53 -0400 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 1s29AH-0000d7-5z; Wed, 01 May 2024 08:34:25 -0400 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=JasYf+tRMvE/wMcHjYbk16Y4m5paN+a6U0ijEuc8zaA=; b=XSar6KsUsa01 ESkvbuC4SkXhETQu4biEnaqpaJIBP6P06pd4643wY4DGQ7Apw1MJ8oNzgvWiO6yvvFVYoBkPw7eqk vqLLNd2xdTLHzYOJtYPykQz8/UM4w8lqtNIEItpufnrUkCjQV/amVwSTahATonFcg687N4+X+E8le Q4SleXgtWyUxU3oOPz27ypIpg2toMdL7aOfISyvnODcgQn9X/KfiRZFI0CfsqXy8G8v3yXcEokQ6N FH77djCfaQ3vlnlRXSWQAJnzO529RKU9lnZQySYL9v0Av9KFceF3CG+o6Yfzo6LgzwVG5gb9wr6hQ m1+5F2oQdxrxxamqo6cclg==; Date: Wed, 01 May 2024 15:34:19 +0300 Message-Id: <86y18togms.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: No Wayman <iarchivedmywholelife@HIDDEN> In-Reply-To: <87ttjhwwnr.fsf@HIDDEN> (message from No Wayman on Wed, 01 May 2024 08:20:56 -0400) Subject: Re: bug#70686: 30.0.50; cl--position is slow References: <87y18uwgsk.fsf@HIDDEN> <86bk5ppwss.fsf@HIDDEN> <87ttjhwwnr.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 70686 Cc: 70686 <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: -3.3 (---) > From: No Wayman <iarchivedmywholelife@HIDDEN> > Cc: 70686 <at> debbugs.gnu.org > Date: Wed, 01 May 2024 08:20:56 -0400 > > It would be preferable to improve the performance of that > function, as it would benefit anyone using it. Sure, if you have a patch to improve performance, please share it. But otherwise asking for better performance here is not very useful, because we'd like to improve performance of everything in Emacs. IOW, the need and the motivation exist, but without some practical suggestion how to improve there's no way to resolve such issues raised here. So: > Slow performance, especially in a widely used library like cl-lib, > is a bug. > Where would you prefer such observations be reported? I think only cases of abysmally inadequate and terribly slow performance should be reported as bugs, when there's no practical suggestion for improving the performance. > Are you confident the performance trade-off is due to dispatching > on sequence types in this case? > Do you think the performance could be improved without sacrificing > that flexibility? > I'll dig into it more when I have time, but I'm starting a > discussion here in case someone has already made an attempt or > knows the answers to those questions. Discussions generally don't belong here. A better place for that is emacs-devel, if only because many more people read it. Thanks.
bug-gnu-emacs@HIDDEN:bug#70686; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#70686; Package emacs.
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Slow performance, especially in a widely used library like cl-lib, is a bug. Where would you prefer such observations be reported? > If cl-position is too slow for your application, you can always > use > something else, something that is less generic and more tailored > to your specific sequence type(s), no? As stated, I've done that and am aware of the general performance/flexibility trade-offs. It would be preferable to improve the performance of that function, as it would benefit anyone using it. Are you confident the performance trade-off is due to dispatching on sequence types in this case? Do you think the performance could be improved without sacrificing that flexibility? I'll dig into it more when I have time, but I'm starting a discussion here in case someone has already made an attempt or knows the answers to those questions.
bug-gnu-emacs@HIDDEN:bug#70686; Package emacs.
Full text available.Received: (at 70686) by debbugs.gnu.org; 1 May 2024 12:00:23 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed May 01 08:00:23 2024 Received: from localhost ([127.0.0.1]:37096 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1s28dK-0003DL-W8 for submit <at> debbugs.gnu.org; Wed, 01 May 2024 08:00:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54596) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1s28dF-0003D8-O5 for 70686 <at> debbugs.gnu.org; Wed, 01 May 2024 08:00:21 -0400 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 1s28co-0002eW-Sm; Wed, 01 May 2024 07:59:50 -0400 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=sL8Z1BhC7/DhibTgkqpkib8jkqMiXHWNh/Tqe2F2Dok=; b=GZqfORQ+LTqs db6/t/Mk6gc47bstw4793WisxZc09XhCHOYyezY8XyFtf6OJdNpo3+MUbB1E1dCbtXoBVSJwSVAza oUPVcqHE7abNF4SfVDp/StDckRcGUClY1JucyGBznOWAub1LevU6C0PJuGc3cZWA/WhYZ4sT+Ekse /ho4vLJvkSDSgr05SkCyZ8jy3MsIXAucw5NpqaR2fIXGoIY9aooB2QmAgVPln0yXzQoxvdSIgY96n VfbzKg5bkBuqT0tFy5IbkRw5Kn9o8QLKj5QYA4pfVLEmpGkBEHBxxF1mCACxsPZgGx0oLQ4hq/n2g jV4lbH40EFmmCJg3UxkN2g==; Date: Wed, 01 May 2024 14:59:47 +0300 Message-Id: <86bk5ppwss.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: No Wayman <iarchivedmywholelife@HIDDEN> In-Reply-To: <87y18uwgsk.fsf@HIDDEN> (message from No Wayman on Tue, 30 Apr 2024 19:51:23 -0400) Subject: Re: bug#70686: 30.0.50; cl--position is slow References: <87y18uwgsk.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 70686 Cc: 70686 <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: -3.3 (---) > From: No Wayman <iarchivedmywholelife@HIDDEN> > Date: Tue, 30 Apr 2024 19:51:23 -0400 > > > I've recently been avoiding cl-position, cl-remove-duplicates, and any other functions which use it internally. I realize there's a performance trade-off in for the flexibility such functions provide, but it may be worth investigating cl--position in particular. Today I replaced an instance of cl-remove-duplicates with an equivalent cl-loop for a 15x performance improvement at the cost of 2 lines of code. Not sure why is this a bug report. If cl-position is too slow for your application, you can always use something else, something that is less generic and more tailored to your specific sequence type(s), no?
bug-gnu-emacs@HIDDEN:bug#70686; Package emacs.
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Tue, 30 Apr 2024 16:51:20 -0700 (PDT) From: No Wayman <iarchivedmywholelife@HIDDEN> To: bug-gnu-emacs@HIDDEN Subject: 30.0.50; cl--position is slow User-Agent: mu4e 1.12.4; emacs 30.0.50 Date: Tue, 30 Apr 2024 19:51:23 -0400 Message-ID: <87y18uwgsk.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain; format=flowed Received-SPF: pass client-ip=2607:f8b0:4864:20::330; envelope-from=iarchivedmywholelife@HIDDEN; helo=mail-ot1-x330.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: submit 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: -0.0 (/) I've recently been avoiding cl-position, cl-remove-duplicates, and any other functions which use it internally. I realize there's a performance trade-off in for the flexibility such functions provide, but it may be worth investigating cl--position in particular. Today I replaced an instance of cl-remove-duplicates with an equivalent cl-loop for a 15x performance improvement at the cost of 2 lines of code.
No Wayman <iarchivedmywholelife@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#70686; Package emacs.
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