diff options
| 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 /include | |
| 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 'include')
| -rw-r--r-- | include/tools/cpuid.hxx | 17 | ||||
| -rw-r--r-- | include/tools/simdsupport.hxx | 13 |
2 files changed, 29 insertions, 1 deletions
diff --git a/include/tools/cpuid.hxx b/include/tools/cpuid.hxx index 90c7d37b485c..98dca497a7de 100644 --- a/include/tools/cpuid.hxx +++ b/include/tools/cpuid.hxx @@ -26,7 +26,8 @@ enum class InstructionSetFlags SSE41 = 0x08, SSE42 = 0x10, AVX = 0x20, - AVX2 = 0x40 + AVX2 = 0x40, + AVX512F = 0x100 }; } // end cpuid @@ -63,6 +64,13 @@ inline bool hasSSSE3() return isCpuInstructionSetSupported(InstructionSetFlags::SSSE3); } +/** Check if AVX is supported by the CPU + */ +inline bool hasAVX() +{ + return isCpuInstructionSetSupported(InstructionSetFlags::AVX); +} + /** Check if AVX2 is supported by the CPU */ inline bool hasAVX2() @@ -70,6 +78,13 @@ inline bool hasAVX2() return isCpuInstructionSetSupported(InstructionSetFlags::AVX2); } +/** Check if AVX512F is supported by the CPU + */ +inline bool hasAVX512F() +{ + return isCpuInstructionSetSupported(InstructionSetFlags::AVX512F); +} + /** Check if Hyper Threading is supported */ inline bool hasHyperThreading() diff --git a/include/tools/simdsupport.hxx b/include/tools/simdsupport.hxx index 5d10d53d48ad..bc9227223da0 100644 --- a/include/tools/simdsupport.hxx +++ b/include/tools/simdsupport.hxx @@ -20,6 +20,7 @@ #undef LO_SSSE3_AVAILABLE #undef LO_AVX_AVAILABLE #undef LO_AVX2_AVAILABLE +#undef LO_AVX512F_AVAILABLE #if defined(_MSC_VER) // VISUAL STUDIO COMPILER @@ -46,6 +47,12 @@ #include <immintrin.h> #endif // defined(__AVX2__) +// compiled with /arch:AVX512F +#if defined(__AVX512F__) +#define LO_AVX512F_AVAILABLE +#include <immintrin.h> +#endif // defined(__AVX512F__) + #else // compiler Clang and GCC #if defined(__SSE2__) || defined(__x86_64__) // SSE2 is required for X64 @@ -68,6 +75,12 @@ #include <immintrin.h> #endif // defined(__AVX2__) +#if defined(__AVX512F__) +#define LO_AVX512F_AVAILABLE +#include <immintrin.h> +#else +#endif // defined(__AVX512F__) + #endif // end compiler Clang and GCC /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |