From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id C34354A99E for ; Fri, 18 Jul 2025 12:29:08 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 5380F68CCEE; Fri, 18 Jul 2025 15:29:05 +0300 (EEST) Received: from mail-ed1-f43.google.com (mail-ed1-f43.google.com [209.85.208.43]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 5729468CAEF for ; Fri, 18 Jul 2025 15:28:59 +0300 (EEST) Received: by mail-ed1-f43.google.com with SMTP id 4fb4d7f45d1cf-612b34ef0c2so2996727a12.0 for ; Fri, 18 Jul 2025 05:28:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752841737; x=1753446537; darn=ffmpeg.org; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=WM+vu6TSLyeX7Eo44Nkc3uACKAx7kR6ZcG5CumRgYFk=; b=nQUFqsZ4GcUuyv5fjItJrdZmx5ihzka1b7QrHL4F8Ng1AUDEf8VM7L4KGuS8SOhP5E x/zbLQPXKnk6Po3RhHjE3I1paR6uXNPvA51qZOkZDdF+hrOrgCrVrvKdM8l3Fng0zyX5 SgtcQe0wlO3+0Hk4QP12TMm+mwAEpX1o5WmOYBYprlafTQLbWvnwfP5ogQWIO8LynZyl znpm1pJEsW85UmAUZBvTjQbYMWXTQei/ADWUlGo3uQdNRziPV11C1X8o9senPrwPWxtM CkfsWp+pymurfUywl1LQ13zuPsg//KrHocI3ir8V74ich98eTccw2hcYQBJh2ipGLoGq AzXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752841737; x=1753446537; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=WM+vu6TSLyeX7Eo44Nkc3uACKAx7kR6ZcG5CumRgYFk=; b=xGPI94DcMxo2t25mEcYLMezE6SL6BP3R5KLneT7CtekvdaV/uyx83pBPWqOiKqIv7S T8VYiR2gfX1kpb9tsansZuTVpR05GH2K9uBsVxG62iWdetFeYvtaRaXihHtywP8herfH YgHR8A63xzfRWBu17/w8it887wotfBrb8rLalwcchcmz36Qp5wcPsTjM7DJ4h7mvP0mC NaT7NLZy4EBQQCcmXbvDAbUXjS45yBIMZCuX4mW8K3DVZ2rx4NUoDJ49ZUQNL1dxdicE v7TCAV7ZM6zv5HTJMiQNVr8u+1XIR9+bhiSxl4d6hgiGRHigkv+GbvC1Ild9XbutO1gu Z4fg== X-Gm-Message-State: AOJu0YyoHQMG+4BpmaTv3JVJQTuCXygKYoaipzfrQT6q/kzWYBncS44t yAWmoz8a16BJYayn79ZBepPpxZ/bqZuHcORtHBrBd3JGqDs/x9WbrthKOHYo8JhFTR/+6uV5UFv equkU+IxlpwhQVaajYRhJT7dpmuHPMkSGM6o8 X-Gm-Gg: ASbGncvaUQ68EaTxX85XubFSQEgxIXXzK9tHPcMpJh6U0taVyxISufOkRBkhkyWoohR 4dqtzwmyWTNpQ/yNN0SW1/x1TsqIXZX+r++DfeHChA4T1yAMyY4m1JzgMxasKKQv6yDyZO9tYt8 qsbmNdwtM3D4KjQeMhXiYm2gElrfLR3or+BoO9x0doCr2LcvVAJmz77jd0cyTl2jQ/R+UWxd2g3 VKL X-Google-Smtp-Source: AGHT+IG2CBUo08KRZIHyKkFxzq3hQgsTdUf78hUXsFx3nqA75+kuLlhqSKZ5d1wV+XD44DQCdHpC09DPgbs/IUvAxDg= X-Received: by 2002:a05:6402:510e:b0:612:c2a3:6b5e with SMTP id 4fb4d7f45d1cf-612c2a36d82mr2975689a12.20.1752841737301; Fri, 18 Jul 2025 05:28:57 -0700 (PDT) MIME-Version: 1.0 References: <20250717104525.1290708-1-ffmpeg@haasn.xyz> In-Reply-To: From: Kacper Michajlow Date: Fri, 18 Jul 2025 14:28:24 +0200 X-Gm-Features: Ac12FXwol1nmUT7tzvLU1kgF37hp3V0u1axDGNInalojd5woPdTzxBZhEkQv7OQ Message-ID: To: FFmpeg development discussions and patches Subject: Re: [FFmpeg-devel] [PATCH v2 1/2] avfilter/vf_blackdetect: add AVX2 SIMD version X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Fri, 18 Jul 2025 at 14:14, Kieran Kunhya via ffmpeg-devel wrote: > > > blackdetect8_c: 820.8 ( 1.00x) > > blackdetect8_avx2: 219.2 ( 3.74x) > > blackdetect16_c: 372.8 ( 1.00x) > > blackdetect16_avx2: 201.4 ( 1.85x) > > > > Again, sorry for being pedantic here, but it gives the wrong > > impression especially if you look at this from outside. > > Also misleading as far as I understand because GCC doesn't have > runtime detection like FFmpeg. It's not misleading if you say in the commit description (or anywhere) what you are comparing against. Nice of you to conveniently strip this part from my email. > march=core-avx2 -ftree-vectorize: I know it's good publicity to say something is 100x faster. Though, I'm looking at this from a technical point of view, not the Twitter point of view. - Kacper _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".