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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_container/implicit_scaling.h"
#include "shared/source/command_stream/preemption_mode.h"
#include "shared/source/compiler_interface/compiler_interface.h"
#include "shared/source/debugger/debugger.h"
#include "shared/source/device/device.h"
#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/helpers/aligned_memory.h"
#include "shared/source/helpers/api_specific_config.h"
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/compiler_product_helper.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/helpers/hw_info_helper.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/os_interface/os_interface.h"
#include "shared/source/os_interface/product_helper.h"
#include "shared/source/release_helper/release_helper.h"
#include <iomanip>
namespace NEO {
static const char *spirvWithVersion = "SPIR-V_1.5 SPIR-V_1.4 SPIR-V_1.3 SPIR-V_1.2 SPIR-V_1.1 SPIR-V_1.0 ";
size_t Device::getMaxParameterSizeFromIGC() const {
CompilerInterface *compilerInterface = getCompilerInterface();
if (nullptr != compilerInterface) {
auto igcFtrWa = compilerInterface->getIgcFeaturesAndWorkarounds(*this);
return igcFtrWa->GetMaxOCLParamSize();
}
return 0;
}
void Device::initializeCaps() {
auto &hwInfo = getHardwareInfo();
auto addressing32bitAllowed = is64bit;
auto &productHelper = this->getRootDeviceEnvironment().getHelper<NEO::ProductHelper>();
auto &gfxCoreHelper = this->getRootDeviceEnvironment().getHelper<NEO::GfxCoreHelper>();
auto releaseHelper = this->getRootDeviceEnvironment().getReleaseHelper();
bool ocl21FeaturesEnabled = HwInfoHelper::checkIfOcl21FeaturesEnabledOrEnforced(hwInfo);
if (ocl21FeaturesEnabled) {
addressing32bitAllowed = false;
}
deviceInfo.vendorId = 0x8086;
deviceInfo.maxReadImageArgs = 128;
deviceInfo.maxWriteImageArgs = 128;
deviceInfo.maxParameterSize = 2048;
deviceInfo.addressBits = 64;
deviceInfo.ilVersion = spirvWithVersion;
// copy system info to prevent misaligned reads
const auto systemInfo = hwInfo.gtSystemInfo;
deviceInfo.globalMemCachelineSize = productHelper.getCacheLineSize();
uint32_t allSubDevicesMask = static_cast<uint32_t>(getDeviceBitfield().to_ulong());
constexpr uint32_t singleSubDeviceMask = 1;
deviceInfo.globalMemSize = getGlobalMemorySize(allSubDevicesMask);
deviceInfo.maxMemAllocSize = getGlobalMemorySize(singleSubDeviceMask); // Allocation can be placed only on one SubDevice
if (debugManager.flags.Force32bitAddressing.get() || addressing32bitAllowed || is32bit) {
double percentOfGlobalMemoryAvailable = getPercentOfGlobalMemoryAvailable();
deviceInfo.globalMemSize = std::min(deviceInfo.globalMemSize, static_cast<uint64_t>(4 * MemoryConstants::gigaByte * percentOfGlobalMemoryAvailable));
deviceInfo.addressBits = 32;
deviceInfo.force32BitAddresses = is64bit;
}
deviceInfo.globalMemSize = alignDown(deviceInfo.globalMemSize, MemoryConstants::pageSize);
deviceInfo.maxMemAllocSize = std::min(deviceInfo.globalMemSize, deviceInfo.maxMemAllocSize); // if globalMemSize was reduced for 32b
uint32_t subDeviceCount = gfxCoreHelper.getSubDevicesCount(&getHardwareInfo());
auto &rootDeviceEnvironment = this->getRootDeviceEnvironment();
bool platformImplicitScaling = gfxCoreHelper.platformSupportsImplicitScaling(rootDeviceEnvironment);
const auto &compilerProductHelper = rootDeviceEnvironment.getHelper<NEO::CompilerProductHelper>();
if ((NEO::ImplicitScalingHelper::isImplicitScalingEnabled(
getDeviceBitfield(), platformImplicitScaling)) &&
(!isSubDevice()) && (subDeviceCount > 1)) {
deviceInfo.maxMemAllocSize = deviceInfo.globalMemSize;
} else if (!compilerProductHelper.isForceToStatelessRequired()) {
deviceInfo.maxMemAllocSize = ApiSpecificConfig::getReducedMaxAllocSize(deviceInfo.maxMemAllocSize);
deviceInfo.maxMemAllocSize = std::min(deviceInfo.maxMemAllocSize, gfxCoreHelper.getMaxMemAllocSize());
}
// Some specific driver model configurations may impose additional limitations
auto driverModelMaxMemAlloc = std::numeric_limits<size_t>::max();
if (this->executionEnvironment->rootDeviceEnvironments[0]->osInterface) {
driverModelMaxMemAlloc = this->executionEnvironment->rootDeviceEnvironments[0]->osInterface->getDriverModel()->getMaxMemAllocSize();
}
deviceInfo.maxMemAllocSize = std::min<std::uint64_t>(driverModelMaxMemAlloc, deviceInfo.maxMemAllocSize);
if (debugManager.flags.OverrideMaxMemAllocSizeMb.get() != -1) {
deviceInfo.maxMemAllocSize = static_cast<uint64_t>(debugManager.flags.OverrideMaxMemAllocSizeMb.get()) * MemoryConstants::megaByte;
}
deviceInfo.profilingTimerResolution = getProfilingTimerResolution();
if (debugManager.flags.OverrideProfilingTimerResolution.get() != -1) {
deviceInfo.profilingTimerResolution = static_cast<double>(debugManager.flags.OverrideProfilingTimerResolution.get());
deviceInfo.outProfilingTimerClock = static_cast<size_t>(1000000000.0 / deviceInfo.profilingTimerResolution);
} else {
deviceInfo.outProfilingTimerClock = static_cast<size_t>(getProfilingTimerClock());
}
deviceInfo.outProfilingTimerResolution = static_cast<size_t>(deviceInfo.profilingTimerResolution);
constexpr uint64_t maxPixelSize = 16;
deviceInfo.imageMaxBufferSize = static_cast<size_t>(deviceInfo.maxMemAllocSize / maxPixelSize);
deviceInfo.maxNumEUsPerSubSlice = 0;
deviceInfo.numThreadsPerEU = 0;
auto simdSizeUsed = debugManager.flags.UseMaxSimdSizeToDeduceMaxWorkgroupSize.get()
? CommonConstants::maximalSimdSize
: gfxCoreHelper.getMinimalSIMDSize();
deviceInfo.maxNumEUsPerSubSlice = (systemInfo.EuCountPerPoolMin == 0 || hwInfo.featureTable.flags.ftrPooledEuEnabled == 0)
? (systemInfo.EUCount / systemInfo.SubSliceCount)
: systemInfo.EuCountPerPoolMin;
if (systemInfo.DualSubSliceCount != 0) {
deviceInfo.maxNumEUsPerDualSubSlice = (systemInfo.EuCountPerPoolMin == 0 || hwInfo.featureTable.flags.ftrPooledEuEnabled == 0)
? (systemInfo.EUCount / systemInfo.DualSubSliceCount)
: systemInfo.EuCountPerPoolMin;
} else {
deviceInfo.maxNumEUsPerDualSubSlice = deviceInfo.maxNumEUsPerSubSlice;
}
deviceInfo.numThreadsPerEU = systemInfo.ThreadCount / systemInfo.EUCount;
if (releaseHelper) {
deviceInfo.threadsPerEUConfigs = releaseHelper->getThreadsPerEUConfigs(deviceInfo.numThreadsPerEU);
}
auto maxWS = productHelper.getMaxThreadsForWorkgroupInDSSOrSS(hwInfo, static_cast<uint32_t>(deviceInfo.maxNumEUsPerSubSlice), static_cast<uint32_t>(deviceInfo.maxNumEUsPerDualSubSlice)) * simdSizeUsed;
maxWS = Math::prevPowerOfTwo(maxWS);
deviceInfo.maxWorkGroupSize = gfxCoreHelper.overrideMaxWorkGroupSize(maxWS);
if (debugManager.flags.OverrideMaxWorkgroupSize.get() != -1) {
deviceInfo.maxWorkGroupSize = debugManager.flags.OverrideMaxWorkgroupSize.get();
}
deviceInfo.maxWorkItemSizes[0] = deviceInfo.maxWorkGroupSize;
deviceInfo.maxWorkItemSizes[1] = deviceInfo.maxWorkGroupSize;
deviceInfo.maxWorkItemSizes[2] = deviceInfo.maxWorkGroupSize;
deviceInfo.maxSamplers = productHelper.getMaxNumSamplers();
deviceInfo.computeUnitsUsedForScratch = gfxCoreHelper.getComputeUnitsUsedForScratch(this->getRootDeviceEnvironment());
deviceInfo.maxFrontEndThreads = gfxCoreHelper.getMaxThreadsForVfe(hwInfo);
deviceInfo.localMemSize = hwInfo.capabilityTable.maxProgrammableSlmSize * MemoryConstants::kiloByte;
deviceInfo.imageSupport = hwInfo.capabilityTable.supportsImages;
deviceInfo.image2DMaxWidth = 16384;
deviceInfo.image2DMaxHeight = 16384;
deviceInfo.image3DMaxDepth = 2048;
deviceInfo.imageMaxArraySize = 2048;
deviceInfo.printfBufferSize = 4 * MemoryConstants::megaByte;
deviceInfo.maxClockFrequency = hwInfo.capabilityTable.maxRenderFrequency;
deviceInfo.maxSubGroups = gfxCoreHelper.getDeviceSubGroupSizes();
deviceInfo.name = this->getDeviceName();
size_t maxParameterSizeFromIgc = getMaxParameterSizeFromIGC();
if (maxParameterSizeFromIgc > 0) {
deviceInfo.maxParameterSize = maxParameterSizeFromIgc;
}
}
} // namespace NEO
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