Re: [PATCH v6 1/2] Update AVX512 support for xbzrle_encode_buffer

[Juan Quintela]

ling xu <ling1.xu@intel.com> wrote:
> This commit updates code of avx512 support for xbzrle_encode_buffer
> function to accelerate xbzrle encoding speed. Runtime check of avx512
> support and benchmark for this feature are added. Compared with C
> version of xbzrle_encode_buffer function, avx512 version can achieve
> 50%-70% performance improvement on benchmarking. In addition, if dirty
> data is randomly located in 4K page, the avx512 version can achieve
> almost 140% performance gain.
>
> Signed-off-by: ling xu <ling1.xu@intel.com>
> Co-authored-by: Zhou Zhao <zhou.zhao@intel.com>
> Co-authored-by: Jun Jin <jun.i.jin@intel.com>

Reviewed-by: Juan Quintela <quintela@redhat.com>

queued.