[FFmpeg-devel] Fwd: [PATCH] avfilter/vf_convolution: add 16-column operation for filter_column() to prepare for x86 SIMD.

chen chenm003 at 163.com
Mon Dec 2 05:37:57 EET 2019



> 下面是被转发的邮件:
> 
> 发件人: chen <chenm003 at 163.com>
> 主题: [FFmpeg-devel] [PATCH] avfilter/vf_convolution: add 16-column operation for filter_column() to prepare for x86 SIMD.
> 日期: 2019年12月02日 GMT+8 11:36:50
> 收件人: xujunzz at sjtu.edu.cn
> 
> In this case, modify in filter_slice(…) is unnecessary because your generic version of filter_column16(…).
> I suggest make a 16 aligned path in filter_column16(…) directly.
> For example
> 
> for(lengh / 16)
> {
>> }
> 
> for(length % 16)
> {
>> }
> 



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