RE: [PATCH v5 1/2] Update AVX512 support for xbzrle_encode_buffer

2022-08-26 Thread Xu, Ling1
: Xu, Ling1 Cc: qemu-devel@nongnu.org; dgilb...@redhat.com; Zhao, Zhou ; Jin, Jun I Subject: Re: [PATCH v5 1/2] Update AVX512 support for xbzrle_encode_buffer ling xu wrote: > This commit updates code of avx512 support for xbzrle_encode_buffer > function to accelerate xbzrle encoding spe

Re: [PATCH v5 1/2] Update AVX512 support for xbzrle_encode_buffer

2022-08-24 Thread Juan Quintela
ling xu wrote: > This commit updates code of avx512 support for xbzrle_encode_buffer function > to > accelerate xbzrle encoding speed. We add runtime check of avx512 and add > benchmark for this feature. Compared with C version of > xbzrle_encode_buffer function, avx512 version can achieve 50%-70

[PATCH v5 1/2] Update AVX512 support for xbzrle_encode_buffer

2022-08-18 Thread ling xu
This commit updates code of avx512 support for xbzrle_encode_buffer function to accelerate xbzrle encoding speed. We add runtime check of avx512 and add benchmark for this feature. Compared with C version of xbzrle_encode_buffer function, avx512 version can achieve 50%-70% performance improvement o