From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 2937442091 for ; Tue, 22 Feb 2022 08:14:59 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id C28DE68B0B1; Tue, 22 Feb 2022 10:14:58 +0200 (EET) Received: from mail-yb1-f176.google.com (mail-yb1-f176.google.com [209.85.219.176]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 56AA368A64A for ; Tue, 22 Feb 2022 10:14:52 +0200 (EET) Received: by mail-yb1-f176.google.com with SMTP id u12so25417868ybd.7 for ; Tue, 22 Feb 2022 00:14:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=3uYT4byLNFSqV8GstsCtHsfTRFcL9KH48TxXZJvc/So=; b=dmWSN5dkkwCerR41/i1ldCZkfpzC6Xq5Uiuiyrhs1cOUUm/Df1VfddpdY2kyJD2MSU XS3HHmtBSWz5ETvEGeLSAD2/17Yn25kTdHIAq9qBKM8DCbg02R6efcBPJ6vZYDoDik8j LIuMwXic/GrNcyLJ1ygdXTKf+hXUO0kJf+4Xo+sS4mI1KVjkK9B0GJzJz1GcBhPCHBHQ /ySpnzicE503Inth8i+DdQI/U+mGN7Bi4ZSFTtbXySNyK321TehizFFc7Zplt/FQyJIe OD4PHCM3qWzmG28UZe1t9g1N08gksH2e3LY0ZCZpNLemmTV8GDsXp64L3LxyDQYFx82U K0Dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=3uYT4byLNFSqV8GstsCtHsfTRFcL9KH48TxXZJvc/So=; b=c4KaGr3n67obgfIkJh71i54QUDIm5Z7iAxH1+TMcumRNQ5NXlBmRqhsqmTR+gEsQQL NRzX5EDEYEfz4FGArk/0SQBCiFowqmBOUrBGPOMyCMfGZjG4pTCamLuAPlBPjLI6K93r Zvx5g+DqBehNsa6U7UeJ/tj3Uja0avIWwuNnYOT5siRloGgAybWTVDTjWZT9R5H8yaxz Oj2rc7WTV2E0A8wQLoe3EAmvEeR1AXWt3RXzj0ZE9uc1QBpfyMHOCBYnjarcNigv95Nl pTkbzOAiXMx4nGeHCIm4z90RYsqvihWVGbdzyzW/2H4lpNb/srHHIgJ6t/W/L4XxFpuZ O6Dg== X-Gm-Message-State: AOAM530/6xPzd/1aEnjLPZ0hlM1cf+FZtAut8IEIZgcyih2Vknw38VQL abQphj5cvrXCfiqI0ThVtnwWzc9La1k4Nvzh6gwASgWmrsk= X-Google-Smtp-Source: ABdhPJyPmRqywSjI41wtLjLdYg4dYQxWHfvmVH8xj4h2DH/gJz7qo4EKfByR9JYnYcU/HaD143QNVpULTHyOvSlaORY= X-Received: by 2002:a25:e54a:0:b0:611:afb8:8c75 with SMTP id c71-20020a25e54a000000b00611afb88c75mr22475995ybh.142.1645517691211; Tue, 22 Feb 2022 00:14:51 -0800 (PST) MIME-Version: 1.0 References: <20220219135809.1447-1-Victoria.Zhislina@intel.com> In-Reply-To: From: Paul B Mahol Date: Tue, 22 Feb 2022 09:16:20 +0100 Message-ID: To: FFmpeg development discussions and patches X-Content-Filtered-By: Mailman/MimeDel 2.1.29 Subject: Re: [FFmpeg-devel] [PATCH] libavfilter: zscale performance optimization >4x 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 Tue, Feb 22, 2022 at 9:15 AM Paul B Mahol wrote: > > > On Tue, Feb 22, 2022 at 6:25 AM Lynne wrote: > >> 19 Feb 2022, 14:58 by niva213@gmail.com: >> >> > By ffmpeg threading support implementation via frame slicing and doing >> > zimg_filter_graph_build that used to take 30-60% of each frame processig >> > only if necessary (some parameters changed) >> > the performance increase vs original version >> > in video downscale and color conversion >4x is seen >> > on 64 cores Intel Xeon, 3x on i7-6700K (4 cores with HT) >> > >> > Signed-off-by: Victoria Zhislina >> > >> >> Can't you patch such a feature into the upstream instead? >> > > zscale already have own threading ability, but is very hard to use it, > last time i tried. > I mean zimg. > > >> _______________________________________________ >> 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". >> > _______________________________________________ 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".