Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-23 Thread Jiawei
t the configure configuration has forced this feature to be turned off, and they still need to remove this restriction manually. BR, Jiawei ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-deve

Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-21 Thread Jiawei
在 2025/5/22 2:21, Frank Plowman 写道: On 21/05/2025 11:17, Jiawei wrote: 在 2025/5/21 14:52, Nicolas George 写道: Jiawei (HE12025-05-21): particularly improving performance on x86_64 (AVX), ARM64 (SVE) and RISC-V(RVV) architectures. Benchmark needed

Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-21 Thread Jiawei
在 2025/5/21 15:46, Michael Niedermayer 写道: On Wed, May 21, 2025 at 02:17:50PM +0800, Jiawei wrote: This patch modifies the FFmpeg build system to remove the explicit disabling of GCC's auto-vectorization feature. Modern GCC versions (>= 10.0) have demonstrated stable auto-vecto

Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-21 Thread Jiawei
在 2025/5/21 17:04, Zhao Zhili 写道: On May 21, 2025, at 14:17, Jiawei wrote: This patch modifies the FFmpeg build system to remove the explicit disabling of GCC's auto-vectorization feature. Modern GCC versions (>= 10.0) have demonstrated stable auto-vectorization capabilities

Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-21 Thread Jiawei
在 2025/5/21 14:52, Nicolas George 写道: Jiawei (HE12025-05-21): particularly improving performance on x86_64 (AVX), ARM64 (SVE) and RISC-V(RVV) architectures. Benchmark needed. Regards, Hi Nicolas, Since I am a gcc developer, I'm not so fam

Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-21 Thread Jiawei
> -原始邮件- > 发件人: "Nicolas George" > 发送时间: 2025-05-21 14:52:12 (星期三) > 收件人: "FFmpeg development discussions and patches" > 抄送: > 主题: Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation. > > Jiawei (HE12025-05-21): > >  

Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-21 Thread Jiawei
> -原始邮件- > 发件人: "Nicolas George" > 发送时间: 2025-05-21 14:52:12 (星期三) > 收件人: "FFmpeg development discussions and patches" > 抄送: > 主题: Re: [FFmpeg-devel] gcc: Remove auto-vectorization limitation. > > Jiawei (HE12025-05-21): > >  

[FFmpeg-devel] gcc: Remove auto-vectorization limitation.

2025-05-20 Thread Jiawei
This patch modifies the FFmpeg build system to remove the explicit disabling of GCC's auto-vectorization feature. Modern GCC versions (>= 10.0) have demonstrated stable auto-vectorization capabilities through extensive optimizations in loop analysis and SIMD code generation. The explicit -fno-tree