ling xu <ling1...@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...@intel.com> > Co-authored-by: Zhou Zhao <zhou.z...@intel.com> > Co-authored-by: Jun Jin <jun.i....@intel.com>
Reviewed-by: Juan Quintela <quint...@redhat.com> queued.
