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 5AF844209D for ; Tue, 22 Feb 2022 08:14:35 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9E9B868B08A; Tue, 22 Feb 2022 10:14:32 +0200 (EET) Received: from mail-yw1-f171.google.com (mail-yw1-f171.google.com [209.85.128.171]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3964F68A306 for ; Tue, 22 Feb 2022 10:14:26 +0200 (EET) Received: by mail-yw1-f171.google.com with SMTP id 00721157ae682-2d646fffcc2so164770847b3.4 for ; Tue, 22 Feb 2022 00:14:26 -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=T5dMQuEaUpE7AZl49t0GI40KiupjoiPNwcTGSIQLuKo=; b=QAdxcRlwmpGHB+rGD5O10fr8xXiOh0kataCBUlYeaboMyrEEwd5Wwzl2XcxC0dyxS+ lEkuDLCsVveNUlSXkBzNB5Br4vwY9Lc2HSMNIvVpaND+Vlv6qnSYJF35C0HGLsyrYeXY oQegTLFq35jE4c/WX2daCm9VE7tgBZY55lfYwOUJ5zsILy15QEgZuhEI1UrWlbyqIw/B FZ4NjgII5lb2oM8agAesSN5Jd/ryhS8vQXkYxHz7FWXspWyBaOQqVI6tn0IJgY5C6CSX ZuICtVvdsepTQGRc5BHBDLWLa8X1kPZ8szChXRjNoMGD6v5LPFPbxN5AhOn1bMFOAByS 9J/A== 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=T5dMQuEaUpE7AZl49t0GI40KiupjoiPNwcTGSIQLuKo=; b=b5f0pSHZveNynN5augJS6WVpadmQYMwRDeHbDpv2kzp4vfYD7RvJyBwQwT5VBRQKcF dvW7ZWeBVUGae63Qy0Zlvgn4ygZw3o28/4TJ9SrWXLgz4QW7Bua7N4MU4fmfjS++Z8DP 7RgFaUDo3r9sdWDA44Pf1iF3U9ePHVyDOi2a86rs0dBgZ1AYiRdx/8xCCoS4pKBlKtsc 7H+/GEl00yFZUK9yDt9ZWKZMb9HQPLSKO0kjnujMf8w4IVdUHVSypdnAJArC1X07ieJc P6/OaSGYhnbOkISXKe7Zb9uiylRREn/+knA1tK8frs7skUkYH4ON+bAuOJj59nIP/ZlP +3oQ== X-Gm-Message-State: AOAM5320MdNllm3rmemDm8OYqmEZH9td9tPRamk/lvLlHwYmAw8fjyNt QLE1JVqXxHFRa7HDDQFAhxHxt+6oTQWU+3jPSxNTFWuRTVI= X-Google-Smtp-Source: ABdhPJytqOUyzN+UUz2COitHCSdSaE+5oikblSucAdaM9R+XQLkaCUKQb7/p+jnPCgizu6KD9U3icagpM0UtWMIOi4c= X-Received: by 2002:a81:4d41:0:b0:2d7:513a:f3d3 with SMTP id a62-20020a814d41000000b002d7513af3d3mr7526872ywb.34.1645517664903; Tue, 22 Feb 2022 00:14:24 -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 09:15:53 +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 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. > _______________________________________________ > 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".