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More safe CPU dispatching
This commit is contained in:
Alexey Milovidov
parent
b00c66cb36
commit
fb98915435
10
src/Functions/divide/CMakeLists.txt
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10
src/Functions/divide/CMakeLists.txt
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@ -0,0 +1,10 @@
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add_library(divide_impl_sse2 divideImpl.cpp)
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target_compile_options(divide_impl_sse2 PRIVATE -msse2 -DNAMESPACE=SSE2)
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target_link_libraries(divide_impl_sse2 libdivide)
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add_library(divide_impl_avx2 divideImpl.cpp)
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target_compile_options(divide_impl_avx2 PRIVATE -mavx2 -DNAMESPACE=AVX2)
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target_link_libraries(divide_impl_avx2 libdivide)
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add_library(divide_impl divide.cpp)
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target_link_libraries(divide_impl divide_impl_sse2 divide_impl_avx2 clickhouse_common_io)
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66
src/Functions/divide/divide.cpp
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66
src/Functions/divide/divide.cpp
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#include "divide.h"
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#include <Common/CpuId.h>
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namespace SSE2
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{
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template <typename A, typename B, typename ResultType>
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void divideImpl(const A * __restrict a_pos, B b, ResultType * __restrict c_pos, size_t size);
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}
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namespace AVX2
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{
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template <typename A, typename B, typename ResultType>
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void divideImpl(const A * __restrict a_pos, B b, ResultType * __restrict c_pos, size_t size);
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}
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template <typename A, typename B, typename ResultType>
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void divideImpl(const A * __restrict a_pos, B b, ResultType * __restrict c_pos, size_t size)
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{
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if (DB::Cpu::CpuFlagsCache::have_AVX2)
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AVX2::divideImpl(a_pos, b, c_pos, size);
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else if (DB::Cpu::CpuFlagsCache::have_SSE2)
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SSE2::divideImpl(a_pos, b, c_pos, size);
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}
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template void divideImpl<uint64_t, uint64_t, uint64_t>(const uint64_t * __restrict, uint64_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, uint32_t, uint64_t>(const uint64_t * __restrict, uint32_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, uint16_t, uint64_t>(const uint64_t * __restrict, uint16_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, char8_t, uint64_t>(const uint64_t * __restrict, char8_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint32_t, uint64_t, uint32_t>(const uint32_t * __restrict, uint64_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, uint32_t, uint32_t>(const uint32_t * __restrict, uint32_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, uint16_t, uint32_t>(const uint32_t * __restrict, uint16_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, char8_t, uint32_t>(const uint32_t * __restrict, char8_t, uint32_t * __restrict, size_t);
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template void divideImpl<int64_t, uint64_t, int64_t>(const int64_t * __restrict, uint64_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, uint32_t, int64_t>(const int64_t * __restrict, uint32_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, uint16_t, int64_t>(const int64_t * __restrict, uint16_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, char8_t, int64_t>(const int64_t * __restrict, char8_t, int64_t * __restrict, size_t);
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template void divideImpl<int32_t, uint64_t, int32_t>(const int32_t * __restrict, uint64_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, uint32_t, int32_t>(const int32_t * __restrict, uint32_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, uint16_t, int32_t>(const int32_t * __restrict, uint16_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, char8_t, int32_t>(const int32_t * __restrict, char8_t, int32_t * __restrict, size_t);
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template void divideImpl<uint64_t, int64_t, uint64_t>(const uint64_t * __restrict, int64_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, int32_t, uint64_t>(const uint64_t * __restrict, int32_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, int16_t, uint64_t>(const uint64_t * __restrict, int16_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, int8_t, uint64_t>(const uint64_t * __restrict, int8_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint32_t, int64_t, uint32_t>(const uint32_t * __restrict, int64_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, int32_t, uint32_t>(const uint32_t * __restrict, int32_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, int16_t, uint32_t>(const uint32_t * __restrict, int16_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, int8_t, uint32_t>(const uint32_t * __restrict, int8_t, uint32_t * __restrict, size_t);
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template void divideImpl<int64_t, int64_t, int64_t>(const int64_t * __restrict, int64_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, int32_t, int64_t>(const int64_t * __restrict, int32_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, int16_t, int64_t>(const int64_t * __restrict, int16_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, int8_t, int64_t>(const int64_t * __restrict, int8_t, int64_t * __restrict, size_t);
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template void divideImpl<int32_t, int64_t, int32_t>(const int32_t * __restrict, int64_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, int32_t, int32_t>(const int32_t * __restrict, int32_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, int16_t, int32_t>(const int32_t * __restrict, int16_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, int8_t, int32_t>(const int32_t * __restrict, int8_t, int32_t * __restrict, size_t);
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4
src/Functions/divide/divide.h
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4
src/Functions/divide/divide.h
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#include <cstddef>
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template <typename A, typename B, typename ResultType>
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void divideImpl(const A * __restrict a_pos, B b, ResultType * __restrict c_pos, size_t size);
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95
src/Functions/divide/divideImpl.cpp
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95
src/Functions/divide/divideImpl.cpp
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/// This translation unit should be compiled multiple times
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/// with different values of NAMESPACE and machine flags (sse2, avx2).
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#if !defined(NAMESPACE)
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#error "NAMESPACE macro must be defined"
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#endif
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#if defined(__AVX2__)
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#define REG_SIZE 32
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#define LIBDIVIDE_AVX2
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#elif defined(__SSE2__)
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#define REG_SIZE 16
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#define LIBDIVIDE_SSE2
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#endif
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#include <libdivide.h>
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namespace NAMESPACE
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{
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template <typename A, typename B, typename ResultType>
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void divideImpl(const A * __restrict a_pos, B b, ResultType * __restrict c_pos, size_t size)
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{
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libdivide::divider<A> divider(b);
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const A * a_end = a_pos + size;
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#if defined(__SSE2__)
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static constexpr size_t values_per_simd_register = REG_SIZE / sizeof(A);
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const A * a_end_simd = a_pos + size / values_per_simd_register * values_per_simd_register;
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while (a_pos < a_end_simd)
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{
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#if defined(__AVX2__)
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_mm256_storeu_si256(reinterpret_cast<__m256i *>(c_pos),
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_mm256_loadu_si256(reinterpret_cast<const __m256i *>(a_pos)) / divider);
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#else
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_mm_storeu_si128(reinterpret_cast<__m128i *>(c_pos),
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_mm_loadu_si128(reinterpret_cast<const __m128i *>(a_pos)) / divider);
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#endif
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a_pos += values_per_simd_register;
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c_pos += values_per_simd_register;
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}
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#endif
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while (a_pos < a_end)
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{
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*c_pos = *a_pos / divider;
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++a_pos;
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++c_pos;
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}
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}
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template void divideImpl<uint64_t, uint64_t, uint64_t>(const uint64_t * __restrict, uint64_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, uint32_t, uint64_t>(const uint64_t * __restrict, uint32_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, uint16_t, uint64_t>(const uint64_t * __restrict, uint16_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, char8_t, uint64_t>(const uint64_t * __restrict, char8_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint32_t, uint64_t, uint32_t>(const uint32_t * __restrict, uint64_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, uint32_t, uint32_t>(const uint32_t * __restrict, uint32_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, uint16_t, uint32_t>(const uint32_t * __restrict, uint16_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, char8_t, uint32_t>(const uint32_t * __restrict, char8_t, uint32_t * __restrict, size_t);
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template void divideImpl<int64_t, uint64_t, int64_t>(const int64_t * __restrict, uint64_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, uint32_t, int64_t>(const int64_t * __restrict, uint32_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, uint16_t, int64_t>(const int64_t * __restrict, uint16_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, char8_t, int64_t>(const int64_t * __restrict, char8_t, int64_t * __restrict, size_t);
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template void divideImpl<int32_t, uint64_t, int32_t>(const int32_t * __restrict, uint64_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, uint32_t, int32_t>(const int32_t * __restrict, uint32_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, uint16_t, int32_t>(const int32_t * __restrict, uint16_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, char8_t, int32_t>(const int32_t * __restrict, char8_t, int32_t * __restrict, size_t);
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template void divideImpl<uint64_t, int64_t, uint64_t>(const uint64_t * __restrict, int64_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, int32_t, uint64_t>(const uint64_t * __restrict, int32_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, int16_t, uint64_t>(const uint64_t * __restrict, int16_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint64_t, int8_t, uint64_t>(const uint64_t * __restrict, int8_t, uint64_t * __restrict, size_t);
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template void divideImpl<uint32_t, int64_t, uint32_t>(const uint32_t * __restrict, int64_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, int32_t, uint32_t>(const uint32_t * __restrict, int32_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, int16_t, uint32_t>(const uint32_t * __restrict, int16_t, uint32_t * __restrict, size_t);
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template void divideImpl<uint32_t, int8_t, uint32_t>(const uint32_t * __restrict, int8_t, uint32_t * __restrict, size_t);
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template void divideImpl<int64_t, int64_t, int64_t>(const int64_t * __restrict, int64_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, int32_t, int64_t>(const int64_t * __restrict, int32_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, int16_t, int64_t>(const int64_t * __restrict, int16_t, int64_t * __restrict, size_t);
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template void divideImpl<int64_t, int8_t, int64_t>(const int64_t * __restrict, int8_t, int64_t * __restrict, size_t);
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template void divideImpl<int32_t, int64_t, int32_t>(const int32_t * __restrict, int64_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, int32_t, int32_t>(const int32_t * __restrict, int32_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, int16_t, int32_t>(const int32_t * __restrict, int16_t, int32_t * __restrict, size_t);
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template void divideImpl<int32_t, int8_t, int32_t>(const int32_t * __restrict, int8_t, int32_t * __restrict, size_t);
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}
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