I'm sorry not to reply in time. The performance of this C code is about 10% better than the existing C code.
It will have a bigger improvement after X86 SIMD optimizations. Xu Jun ----- 原始邮件 ----- 发件人: "Carl Eugen Hoyos" <ceffm...@gmail.com> 收件人: "FFmpeg development discussions and patches" <ffmpeg-devel@ffmpeg.org> 发送时间: 星期四, 2019年 11 月 28日 上午 12:19:44 主题: Re: [FFmpeg-devel] [PATCH] avfilter/vf_convolution: add 16-column operation for filter_column() to prepare for x86 SIMD. Am Mi., 27. Nov. 2019 um 15:56 Uhr schrieb <xuju...@sjtu.edu.cn>: > From: Xu Jun <xuju...@sjtu.edu.cn> > > In order to add x86 SIMD for filter_column(), I write a C function which > processes 16 columns at a time. How does this perform compared to the existing C code? Carl Eugen _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". -- 敬颂钧安, 徐鋆 电子信息与电气工程学院 上海交通大学 邮箱：xuju...@sjtu.edu.cn 地址：上海市闵行区东川路800号 Yours sincerely, Xylem（Jun Xu） School of Electronic, Information and Electrical Engineering Shanghai Jiao Tong University Email: xuju...@sjtu.edu.cn No. 800, Dongchuan Road, Minhang District, Shanghai 200240, China 宜しくお愿いたします 徐鋆 電子情報と電気工程学院 上海交通大学 メールアドレス ：xuju...@sjtu.edu.cn 住所：上海市閔行区ドンチュワンルー800号 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
