ards,
Ling
-Original Message-
From: Richard Henderson
Sent: Wednesday, August 10, 2022 2:25 AM
To: Xu, Ling1 ; quint...@redhat.com
Cc: qemu-devel@nongnu.org; dgilb...@redhat.com; Zhao, Zhou
; Jin, Jun I
Subject: Re: [PATCH v3 1/2] Update AVX512 support for xbzrle_encode_buffer
function
On 8/9/22
On 8/8/22 00:48, ling xu wrote:
This commit update runtime check of AVX512, and implements avx512 of
xbzrle_encode_buffer function to accelerate xbzrle encoding speed.
Compared with C version of xbzrle_encode_buffer function, avx512 version
can achieve almost 60%-70% performance improvement on un
On 8/9/22 00:51, Xu, Ling1 wrote:
Hi, Juan,
Thanks for your advice. We have revised our code including: 1) change
"IS_CPU_SUPPORT_AVX512BW" to "is_cpu_support_avx512bw" to indicate that
variable isn't global variable;
You can remove this variable entirely...
2) use a function pointer
comments.
Best Regard,
Ling
-Original Message-
From: Juan Quintela
Sent: Monday, August 8, 2022 9:12 PM
To: Xu, Ling1
Cc: qemu-devel@nongnu.org; dgilb...@redhat.com; Zhao, Zhou
; Jin, Jun I
Subject: Re: [PATCH v3 1/2] Update AVX512 support for xbzrle_encode_buffer
function
l
ling xu wrote:
> This commit update runtime check of AVX512, and implements avx512 of
> xbzrle_encode_buffer function to accelerate xbzrle encoding speed.
> Compared with C version of xbzrle_encode_buffer function, avx512 version
> can achieve almost 60%-70% performance improvement on unit test pr
This commit update runtime check of AVX512, and implements avx512 of
xbzrle_encode_buffer function to accelerate xbzrle encoding speed.
Compared with C version of xbzrle_encode_buffer function, avx512 version
can achieve almost 60%-70% performance improvement on unit test provided
by Qemu. In addit
This commit update runtime check of AVX512, and implements avx512 of
xbzrle_encode_buffer function to accelerate xbzrle encoding speed.
Compared with C version of xbzrle_encode_buffer function, avx512 version
can achieve almost 60%-70% performance improvement on unit test provided
by Qemu. In addit
