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Add AVX512 macro in CMake to enable AVX512 #22

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Merged
merged 1 commit into from
May 26, 2020
Merged

Add AVX512 macro in CMake to enable AVX512 #22

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7 changes: 4 additions & 3 deletions cmake/CPU.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/Modules)

FIND_PACKAGE(AVX)

IF (NOT C_AVX512_FOUND)
IF (NOT C_AVX512_FOUND AND NOT CXX_AVX512_FOUND)
message(FATAL_ERROR "Please build IPEX on Machines that support AVX512.")
ENDIF()

Expand Down Expand Up @@ -58,13 +58,14 @@ endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=pedantic")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=redundant-decls")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=old-style-cast")
IF (C_AVX512_FOUND)
IF (C_AVX512_FOUND OR CXX_AVX512_FOUND)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DAVX512")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512bw")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512vl")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mf16c")
ENDIF()
IF (C_AVX512_BF16_FOUND)
IF (C_AVX512_BF16_FOUND OR CXX_AVX512_BF16_FOUND)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512bf16 -DAVX512_BF16")
ENDIF()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp")
Expand Down
6 changes: 4 additions & 2 deletions torch_ipex/csrc/cpu/bf16/Converter.cpp
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
#include "Converter.h"

#include <ATen/Tensor.h>

#if defined(AVX512)
#include "vec/vec_type_cvt.h"
#define BF16_2_FP32(dst, src, len) cvt_bf16_to_fp32(dst, src, len)
Expand All @@ -15,11 +17,11 @@ namespace bf16 {
namespace converter {

void bf16_to_fp32(void *dst, const void *src, int len) {
BF16_2_FP32(dst, src, len);
BF16_2_FP32((float *)dst, (at::BFloat16 *)src, len);
}

void fp32_to_bf16(void *dst, const void *src, int len) {
FP32_2_BF16(dst, src, len);
FP32_2_BF16((at::BFloat16 *)dst, (float *)src, len);
}

} // namespace converter
Expand Down