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[Qemu-devel] [PATCH 0/2] Optimization with AVX2 instruction
From: |
Liang Li |
Subject: |
[Qemu-devel] [PATCH 0/2] Optimization with AVX2 instruction |
Date: |
Fri, 28 Aug 2015 16:54:11 +0800 |
The buffer_find_nonzero_offset() will be called to check the zero page
during live migration, it's a hot function. buffer_find_nonzero_offset()
has already been optimized with SSE2 instructions, for platform that
supports AVX2, we can optimize this function with AVX2 instructions and
achieve about 25% performance gain.
Liang Li (2):
cutils: add the AVX2 optimization
configure: add --enable-avx2 option
configure | 16 ++++++++++++++++
include/qemu-common.h | 7 +++++++
2 files changed, 23 insertions(+)
--
1.9.1
- [Qemu-devel] [PATCH 0/2] Optimization with AVX2 instruction,
Liang Li <=