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cpu_info refactor

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Related-To: NEO-5853
Signed-off-by: Artur Harasimiuk <artur.harasimiuk@intel.com>
This commit is contained in:
Artur Harasimiuk
2021-10-14 14:41:00 +02:00
committed by Compute-Runtime-Automation
parent 40a9c008c1
commit 091b3ac4f6
8 changed files with 195 additions and 131 deletions
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12
shared/source/utilities/aarch64/CMakeLists.txt Normal file
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@@ -0,0 +1,12 @@
#
# Copyright (C) 2021 Intel Corporation
#
# SPDX-License-Identifier: MIT
#
if(${NEO_TARGET_PROCESSOR} STREQUAL "aarch64")
set_property(GLOBAL APPEND PROPERTY NEO_CORE_UTILITIES
${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
${CMAKE_CURRENT_SOURCE_DIR}/cpu_info_aarch64.cpp
)
endif()

13
shared/source/utilities/aarch64/cpu_info_aarch64.cpp Normal file
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@@ -0,0 +1,13 @@
/*
* Copyright (C) 2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/utilities/cpu_info.h"
namespace NEO {
void CpuInfo::detect() const {
}
} // namespace NEO

131
shared/source/utilities/cpu_info.h
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@@ -67,136 +67,7 @@ struct CpuInfo {
uint32_t functionId,
uint32_t subfunctionId) const;
void detect() const {
uint32_t cpuInfo[4];
cpuid(cpuInfo, 0u);
auto numFunctionIds = cpuInfo[0];
if (numFunctionIds >= 1u) {
cpuid(cpuInfo, 1u);
{
features |= cpuInfo[3] & BIT(0) ? featureFpu : featureNone;
}
{
features |= cpuInfo[3] & BIT(4) ? featureTsc : featureNone;
}
{
features |= cpuInfo[3] & BIT(15) ? featureCmov : featureNone;
}
{
features |= cpuInfo[3] & BIT(19) ? featureClflush : featureNone;
}
{
features |= cpuInfo[3] & BIT(23) ? featureMmx : featureNone;
}
{
features |= cpuInfo[3] & BIT(24) ? featureFxsave : featureNone;
}
{
features |= cpuInfo[3] & BIT(25) ? featureSse : featureNone;
}
{
features |= cpuInfo[3] & BIT(26) ? featureSsE2 : featureNone;
}
{
features |= cpuInfo[2] & BIT(0) ? featureSsE3 : featureNone;
}
{
features |= cpuInfo[2] & BIT(1) ? featurePclmulqdq : featureNone;
}
{
features |= cpuInfo[2] & BIT(9) ? featureSssE3 : featureNone;
}
{
features |= cpuInfo[2] & BIT(12) ? featureFma : featureNone;
}
{
features |= cpuInfo[2] & BIT(19) ? featureSsE41 : featureNone;
}
{
features |= cpuInfo[2] & BIT(20) ? featureSsE42 : featureNone;
}
{
features |= cpuInfo[2] & BIT(22) ? featureMovbe : featureNone;
}
{
features |= cpuInfo[2] & BIT(23) ? featurePopcnt : featureNone;
}
{
features |= cpuInfo[2] & BIT(25) ? featureAes : featureNone;
}
{
features |= cpuInfo[2] & BIT(28) ? featureAvx : featureNone;
}
{
features |= cpuInfo[2] & BIT(29) ? featureF16C : featureNone;
}
{
features |= cpuInfo[2] & BIT(30) ? featureRdrnd : featureNone;
}
}
if (numFunctionIds >= 7u) {
cpuid(cpuInfo, 7u);
{
auto mask = BIT(5) | BIT(3) | BIT(8);
features |= (cpuInfo[1] & mask) == mask ? featureAvX2 : featureNone;
}
{
auto mask = BIT(3) | BIT(8);
features |= (cpuInfo[1] & mask) == mask ? featureBmi : featureNone;
}
{
features |= cpuInfo[1] & BIT(4) ? featureHle : featureNone;
}
{
features |= cpuInfo[1] & BIT(11) ? featureRtm : featureNone;
}
}
cpuid(cpuInfo, 0x80000000);
auto maxExtendedId = cpuInfo[0];
if (maxExtendedId >= 0x80000001) {
cpuid(cpuInfo, 0x80000001);
{
features |= cpuInfo[2] & BIT(5) ? featureLzcnt : featureNone;
}
{
features |= cpuInfo[3] & BIT(27) ? featureRdtscp : featureNone;
}
}
if (maxExtendedId >= 0x80000008) {
cpuid(cpuInfo, 0x80000008);
{
virtualAddressSize = (cpuInfo[0] >> 8) & 0xFF;
}
}
}
void detect() const;
bool isFeatureSupported(uint64_t feature) const {
if (features == featureNone) {

12
shared/source/utilities/x86_64/CMakeLists.txt Normal file
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@@ -0,0 +1,12 @@
#
# Copyright (C) 2021 Intel Corporation
#
# SPDX-License-Identifier: MIT
#
if(${NEO_TARGET_PROCESSOR} STREQUAL "x86_64")
set_property(GLOBAL APPEND PROPERTY NEO_CORE_UTILITIES
${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
${CMAKE_CURRENT_SOURCE_DIR}/cpu_info_x86_64.cpp
)
endif()

145
shared/source/utilities/x86_64/cpu_info_x86_64.cpp Normal file
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@@ -0,0 +1,145 @@
/*
* Copyright (C) 2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/utilities/cpu_info.h"
#ifndef BIT
#define BIT(x) (1ull << (x))
#endif
namespace NEO {
void CpuInfo::detect() const {
uint32_t cpuInfo[4] = {};
cpuid(cpuInfo, 0u);
auto numFunctionIds = cpuInfo[0];
if (numFunctionIds >= 1u) {
cpuid(cpuInfo, 1u);
{
features |= cpuInfo[3] & BIT(0) ? featureFpu : featureNone;
}
{
features |= cpuInfo[3] & BIT(4) ? featureTsc : featureNone;
}
{
features |= cpuInfo[3] & BIT(15) ? featureCmov : featureNone;
}
{
features |= cpuInfo[3] & BIT(19) ? featureClflush : featureNone;
}
{
features |= cpuInfo[3] & BIT(23) ? featureMmx : featureNone;
}
{
features |= cpuInfo[3] & BIT(24) ? featureFxsave : featureNone;
}
{
features |= cpuInfo[3] & BIT(25) ? featureSse : featureNone;
}
{
features |= cpuInfo[3] & BIT(26) ? featureSsE2 : featureNone;
}
{
features |= cpuInfo[2] & BIT(0) ? featureSsE3 : featureNone;
}
{
features |= cpuInfo[2] & BIT(1) ? featurePclmulqdq : featureNone;
}
{
features |= cpuInfo[2] & BIT(9) ? featureSssE3 : featureNone;
}
{
features |= cpuInfo[2] & BIT(12) ? featureFma : featureNone;
}
{
features |= cpuInfo[2] & BIT(19) ? featureSsE41 : featureNone;
}
{
features |= cpuInfo[2] & BIT(20) ? featureSsE42 : featureNone;
}
{
features |= cpuInfo[2] & BIT(22) ? featureMovbe : featureNone;
}
{
features |= cpuInfo[2] & BIT(23) ? featurePopcnt : featureNone;
}
{
features |= cpuInfo[2] & BIT(25) ? featureAes : featureNone;
}
{
features |= cpuInfo[2] & BIT(28) ? featureAvx : featureNone;
}
{
features |= cpuInfo[2] & BIT(29) ? featureF16C : featureNone;
}
{
features |= cpuInfo[2] & BIT(30) ? featureRdrnd : featureNone;
}
}
if (numFunctionIds >= 7u) {
cpuid(cpuInfo, 7u);
{
auto mask = BIT(5) | BIT(3) | BIT(8);
features |= (cpuInfo[1] & mask) == mask ? featureAvX2 : featureNone;
}
{
auto mask = BIT(3) | BIT(8);
features |= (cpuInfo[1] & mask) == mask ? featureBmi : featureNone;
}
{
features |= cpuInfo[1] & BIT(4) ? featureHle : featureNone;
}
{
features |= cpuInfo[1] & BIT(11) ? featureRtm : featureNone;
}
}
cpuid(cpuInfo, 0x80000000);
auto maxExtendedId = cpuInfo[0];
if (maxExtendedId >= 0x80000001) {
cpuid(cpuInfo, 0x80000001);
{
features |= cpuInfo[2] & BIT(5) ? featureLzcnt : featureNone;
}
{
features |= cpuInfo[3] & BIT(27) ? featureRdtscp : featureNone;
}
}
if (maxExtendedId >= 0x80000008) {
cpuid(cpuInfo, 0x80000008);
{
virtualAddressSize = (cpuInfo[0] >> 8) & 0xFF;
}
}
}
} // namespace NEO