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 5326743987 for ; Thu, 4 Aug 2022 08:08:15 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E3EDB68B8C8; Thu, 4 Aug 2022 11:08:12 +0300 (EEST) Received: from mail8.parnet.fi (mail8.parnet.fi [77.234.108.134]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id C636768B70F for ; Thu, 4 Aug 2022 11:08:05 +0300 (EEST) Received: from mail9.parnet.fi (mail9.parnet.fi [77.234.108.21]) by mail8.parnet.fi with ESMTP id 274881xa018565-274881xb018565; Thu, 4 Aug 2022 11:08:01 +0300 Received: from foo.martin.st (host-97-187.parnet.fi [77.234.97.187]) by mail9.parnet.fi (Postfix) with ESMTPS id 777A7A1468; Thu, 4 Aug 2022 11:08:01 +0300 (EEST) Date: Thu, 4 Aug 2022 11:08:01 +0300 (EEST) From: =?ISO-8859-15?Q?Martin_Storsj=F6?= To: Hubert Mazur In-Reply-To: <20220725111708.44992-1-hum@semihalf.com> Message-ID: <50f58952-2881-61fa-3518-cc94b9c4873b@martin.st> References: <20220715080228.686736-4-hum@semihalf.com> <20220725111708.44992-1-hum@semihalf.com> MIME-Version: 1.0 X-FE-Policy-ID: 3:14:2:SYSTEM Subject: Re: [FFmpeg-devel] [PATCH] lavc/aarch64: Add neon implementation for pix_abs16_y2 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 Cc: gjb@semihalf.com, upstream@semihalf.com, jswinney@amazon.com, ffmpeg-devel@ffmpeg.org, mw@semihalf.com, spop@amazon.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On Mon, 25 Jul 2022, Hubert Mazur wrote: > Provide optimized implementation of pix_abs16_y2 function for arm64. > > Performance comparison tests are shown below. > pix_abs_0_2_c: 308.5 > pix_abs_0_2_neon: 39.2 > > Benchmarks and tests run with checkasm tool on AWS Graviton 3. > > Signed-off-by: Hubert Mazur > --- > libavcodec/aarch64/me_cmp_init_aarch64.c | 3 + > libavcodec/aarch64/me_cmp_neon.S | 73 ++++++++++++++++++++++++ > 2 files changed, 76 insertions(+) Please do the same optimizations as done for pix_abs_xy2 in b46de9aba436dea0cff76f3ed0f7c98448367fd0, 68a03f64240dcbe408c3fd43d1071a105508a588 and 4136405c86162063e45d40d55c9985f348d4ea0a for this function too ("aarch64: me_cmp: Interleave some of the loads in ff_pix_abs16_xy2_neon", "aarch64: me_cmp: Switch from uabd to uabal in ff_pix_abs16_xy2_neon" and "aarch64: me_cmp: Don't do uaddlv once per iteration"). // Martin _______________________________________________ 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".