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| author | dante <dante19031999@gmail.com> | 2021-05-16 16:04:20 +0200 |
|---|---|---|
| committer | Mike Kaganski <mike.kaganski@collabora.com> | 2021-08-26 08:48:35 +0200 |
| commit | 5b9cf5881ef53fac5f1d8376f687dbadf9d3cf2b (patch) | |
| tree | ff16b0dcf62236c48fed6ca87e7d584959ed1841 /tools | |
| parent | fb1233d77500413ba237c335a84773d8a6f8e381 (diff) | |
tdf#142307 - Upgrade SSE2 sum to AVX512 sum with Neumaier 1
This part focuses on allowing it on replacing arrayfunctor
By thefault it will try AVX512F (1,17%)
If not available will use AVX (94,77%)
Use of AVX2 (82,28%) has been avoided even if the code could been more compact
Source of hardware statistics: https://store.steampowered.com/hwsurvey
Change-Id: Iae737a565379e82c5f84f3fdee6321ac74f59d40
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115675
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/source/misc/cpuid.cxx | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/source/misc/cpuid.cxx b/tools/source/misc/cpuid.cxx index 0395d0e0f001..855b87e6da63 100644 --- a/tools/source/misc/cpuid.cxx +++ b/tools/source/misc/cpuid.cxx @@ -56,6 +56,7 @@ bool checkAVXSupportInOS() #define XSAVE_bit (1 << 27) #define AVX_bit (1 << 28) #define AVX2_bit (1 << 5) +#define AVX512F_bit (1 << 16) InstructionSetFlags getCpuInstructionSetFlags() { @@ -98,6 +99,8 @@ InstructionSetFlags getCpuInstructionSetFlags() if ((aExtendedInfo[1] & AVX2_bit) != 0) eInstructions |= InstructionSetFlags::AVX2; + if ((aExtendedInfo[1] & AVX512F_bit) != 0) + eInstructions |= InstructionSetFlags::AVX512F; } } } @@ -127,6 +130,8 @@ OUString instructionSetSupportedString() aString += "AVX "; if (isCpuInstructionSetSupported(InstructionSetFlags::AVX2)) aString += "AVX2 "; + if (isCpuInstructionSetSupported(InstructionSetFlags::AVX512F)) + aString += "AVX512F "; return aString; } |