This patch adds runtime check of AVX512

[PATCH v2 0/2] This patch adds runtime check of AVX512

ling xu posted 2 patches 1 year, 8 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20220805042508.1196041-1-ling1.xu@intel.com

Maintainers: Juan Quintela <quintela@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>

meson.build              | 211 +++++++++++++++++++++++++++
meson_options.txt        |  28 ++++
migration/ram.c          |  41 ++++++
migration/xbzrle.c       | 181 +++++++++++++++++++++++
migration/xbzrle.h       |   4 +
tests/unit/test-xbzrle.c | 307 ++++++++++++++++++++++++++++++++++++---
6 files changed, 755 insertions(+), 17 deletions(-)

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[PATCH v2 0/2] This patch adds runtime check of AVX512

Posted by ling xu 1 year, 8 months ago

This patch adds runtime check of AVX512 on running machine and update
avx512 support for xbzrle_encode_buffer function to accelerate xbzrle
encoding speed.

The runtime check is added in meson.build and meson_options.txt.

The updated AVX512 algorithm is provided in ram.c, xbzrle.h and
xbzrle.c.

The test code is provided in test-xbzrle.c.

Previous discussion is refered below:
https://lore.kernel.org/all/YtlshIteVijWePbd@redhat.com/

ling xu (2):
  Update AVX512 support for xbzrle_encode_buffer function
  Test code for AVX512 support for xbzrle_encode_buffer function

 meson.build              | 211 +++++++++++++++++++++++++++
 meson_options.txt        |  28 ++++
 migration/ram.c          |  41 ++++++
 migration/xbzrle.c       | 181 +++++++++++++++++++++++
 migration/xbzrle.h       |   4 +
 tests/unit/test-xbzrle.c | 307 ++++++++++++++++++++++++++++++++++++---
 6 files changed, 755 insertions(+), 17 deletions(-)

-- 
2.25.1