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kernel.cpp
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kernel.cpp
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/*
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "opencl/source/kernel/kernel.h"
#include "shared/source/built_ins/built_ins.h"
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/device_binary_format/patchtokens_decoder.h"
#include "shared/source/gmm_helper/gmm_helper.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/debug_helpers.h"
#include "shared/source/helpers/get_info.h"
#include "shared/source/helpers/hw_helper.h"
#include "shared/source/helpers/kernel_helpers.h"
#include "shared/source/helpers/per_thread_data.h"
#include "shared/source/helpers/ptr_math.h"
#include "shared/source/helpers/surface_format_info.h"
#include "shared/source/kernel/kernel_arg_descriptor_extended_device_side_enqueue.h"
#include "shared/source/kernel/kernel_arg_descriptor_extended_vme.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/memory_manager/unified_memory_manager.h"
#include "shared/source/os_interface/hw_info_config.h"
#include "shared/source/program/kernel_info.h"
#include "opencl/source/accelerators/intel_accelerator.h"
#include "opencl/source/accelerators/intel_motion_estimation.h"
#include "opencl/source/built_ins/builtins_dispatch_builder.h"
#include "opencl/source/cl_device/cl_device.h"
#include "opencl/source/command_queue/cl_local_work_size.h"
#include "opencl/source/command_queue/command_queue.h"
#include "opencl/source/context/context.h"
#include "opencl/source/gtpin/gtpin_notify.h"
#include "opencl/source/helpers/cl_hw_helper.h"
#include "opencl/source/helpers/dispatch_info.h"
#include "opencl/source/helpers/get_info_status_mapper.h"
#include "opencl/source/helpers/sampler_helpers.h"
#include "opencl/source/kernel/image_transformer.h"
#include "opencl/source/kernel/kernel_info_cl.h"
#include "opencl/source/mem_obj/buffer.h"
#include "opencl/source/mem_obj/image.h"
#include "opencl/source/mem_obj/pipe.h"
#include "opencl/source/memory_manager/mem_obj_surface.h"
#include "opencl/source/platform/platform.h"
#include "opencl/source/sampler/sampler.h"
#include "patch_list.h"
#include <algorithm>
#include <cstdint>
#include <vector>
using namespace iOpenCL;
namespace NEO {
class Surface;
uint32_t Kernel::dummyPatchLocation = 0xbaddf00d;
Kernel::Kernel(Program *programArg, const KernelInfo &kernelInfoArg, ClDevice &clDeviceArg)
: executionEnvironment(programArg->getExecutionEnvironment()),
program(programArg),
clDevice(clDeviceArg),
kernelInfo(kernelInfoArg) {
program->retain();
program->retainForKernel();
imageTransformer.reset(new ImageTransformer);
auto &deviceInfo = getDevice().getDevice().getDeviceInfo();
if (kernelInfoArg.kernelDescriptor.kernelAttributes.simdSize == 1u) {
auto &hwInfoConfig = *HwInfoConfig::get(getHardwareInfo().platform.eProductFamily);
maxKernelWorkGroupSize = hwInfoConfig.getMaxThreadsForWorkgroupInDSSOrSS(getHardwareInfo(), static_cast<uint32_t>(deviceInfo.maxNumEUsPerSubSlice), static_cast<uint32_t>(deviceInfo.maxNumEUsPerDualSubSlice));
} else {
maxKernelWorkGroupSize = static_cast<uint32_t>(deviceInfo.maxWorkGroupSize);
}
slmTotalSize = kernelInfoArg.kernelDescriptor.kernelAttributes.slmInlineSize;
}
Kernel::~Kernel() {
delete[] crossThreadData;
crossThreadData = nullptr;
crossThreadDataSize = 0;
if (privateSurface) {
program->peekExecutionEnvironment().memoryManager->checkGpuUsageAndDestroyGraphicsAllocations(privateSurface);
privateSurface = nullptr;
}
for (uint32_t i = 0; i < patchedArgumentsNum; i++) {
if (SAMPLER_OBJ == getKernelArguments()[i].type) {
auto sampler = castToObject<Sampler>(kernelArguments.at(i).object);
if (sampler) {
sampler->decRefInternal();
}
}
}
kernelArgHandlers.clear();
program->releaseForKernel();
program->release();
}
// If dstOffsetBytes is not an invalid offset, then patches dst at dstOffsetBytes
// with src casted to DstT type.
template <typename DstT, typename SrcT>
inline void patch(const SrcT &src, void *dst, CrossThreadDataOffset dstOffsetBytes) {
if (isValidOffset(dstOffsetBytes)) {
DstT *patchLocation = reinterpret_cast<DstT *>(ptrOffset(dst, dstOffsetBytes));
*patchLocation = static_cast<DstT>(src);
}
}
void Kernel::patchWithImplicitSurface(void *ptrToPatchInCrossThreadData, GraphicsAllocation &allocation, const ArgDescPointer &arg) {
if ((nullptr != crossThreadData) && isValidOffset(arg.stateless)) {
auto pp = ptrOffset(crossThreadData, arg.stateless);
uintptr_t addressToPatch = reinterpret_cast<uintptr_t>(ptrToPatchInCrossThreadData);
patchWithRequiredSize(pp, arg.pointerSize, addressToPatch);
if (DebugManager.flags.AddPatchInfoCommentsForAUBDump.get()) {
PatchInfoData patchInfoData(addressToPatch, 0u, PatchInfoAllocationType::KernelArg, reinterpret_cast<uint64_t>(crossThreadData), arg.stateless, PatchInfoAllocationType::IndirectObjectHeap, arg.pointerSize);
this->patchInfoDataList.push_back(patchInfoData);
}
}
void *ssh = getSurfaceStateHeap();
if ((nullptr != ssh) && isValidOffset(arg.bindful)) {
auto surfaceState = ptrOffset(ssh, arg.bindful);
void *addressToPatch = reinterpret_cast<void *>(allocation.getGpuAddressToPatch());
size_t sizeToPatch = allocation.getUnderlyingBufferSize();
Buffer::setSurfaceState(&clDevice.getDevice(), surfaceState, false, false, sizeToPatch, addressToPatch, 0, &allocation, 0, 0,
kernelInfo.kernelDescriptor.kernelAttributes.flags.useGlobalAtomics, areMultipleSubDevicesInContext());
}
}
cl_int Kernel::initialize() {
this->kernelHasIndirectAccess = false;
auto pClDevice = &getDevice();
auto rootDeviceIndex = pClDevice->getRootDeviceIndex();
reconfigureKernel();
auto &hwInfo = pClDevice->getHardwareInfo();
auto &hwHelper = HwHelper::get(hwInfo.platform.eRenderCoreFamily);
auto &kernelDescriptor = kernelInfo.kernelDescriptor;
const auto &implicitArgs = kernelDescriptor.payloadMappings.implicitArgs;
const auto &explicitArgs = kernelDescriptor.payloadMappings.explicitArgs;
auto maxSimdSize = kernelInfo.getMaxSimdSize();
const auto &heapInfo = kernelInfo.heapInfo;
if (maxSimdSize != 1 && maxSimdSize < hwHelper.getMinimalSIMDSize()) {
return CL_INVALID_KERNEL;
}
if (kernelDescriptor.kernelAttributes.flags.requiresImplicitArgs) {
pImplicitArgs = std::make_unique<ImplicitArgs>();
*pImplicitArgs = {};
pImplicitArgs->structSize = sizeof(ImplicitArgs);
pImplicitArgs->structVersion = 0;
pImplicitArgs->simdWidth = maxSimdSize;
}
crossThreadDataSize = kernelDescriptor.kernelAttributes.crossThreadDataSize;
// now allocate our own cross-thread data, if necessary
if (crossThreadDataSize) {
crossThreadData = new char[crossThreadDataSize];
if (kernelInfo.crossThreadData) {
memcpy_s(crossThreadData, crossThreadDataSize,
kernelInfo.crossThreadData, crossThreadDataSize);
} else {
memset(crossThreadData, 0x00, crossThreadDataSize);
}
auto crossThread = reinterpret_cast<uint32_t *>(crossThreadData);
auto setArgsIfValidOffset = [&](uint32_t *&crossThreadData, NEO::CrossThreadDataOffset offset, uint32_t value) {
if (isValidOffset(offset)) {
crossThreadData = ptrOffset(crossThread, offset);
*crossThreadData = value;
}
};
setArgsIfValidOffset(maxWorkGroupSizeForCrossThreadData, implicitArgs.maxWorkGroupSize, maxKernelWorkGroupSize);
setArgsIfValidOffset(dataParameterSimdSize, implicitArgs.simdSize, maxSimdSize);
setArgsIfValidOffset(preferredWkgMultipleOffset, implicitArgs.preferredWkgMultiple, maxSimdSize);
setArgsIfValidOffset(parentEventOffset, implicitArgs.deviceSideEnqueueParentEvent, undefined<uint32_t>);
}
// allocate our own SSH, if necessary
sshLocalSize = heapInfo.SurfaceStateHeapSize;
if (sshLocalSize) {
pSshLocal = std::make_unique<char[]>(sshLocalSize);
// copy the ssh into our local copy
memcpy_s(pSshLocal.get(), sshLocalSize,
heapInfo.pSsh, heapInfo.SurfaceStateHeapSize);
}
numberOfBindingTableStates = kernelDescriptor.payloadMappings.bindingTable.numEntries;
localBindingTableOffset = kernelDescriptor.payloadMappings.bindingTable.tableOffset;
// patch crossthread data and ssh with inline surfaces, if necessary
auto status = patchPrivateSurface();
if (CL_SUCCESS != status) {
return status;
}
if (isValidOffset(kernelDescriptor.payloadMappings.implicitArgs.globalConstantsSurfaceAddress.stateless)) {
DEBUG_BREAK_IF(program->getConstantSurface(rootDeviceIndex) == nullptr);
uintptr_t constMemory = isBuiltIn ? (uintptr_t)program->getConstantSurface(rootDeviceIndex)->getUnderlyingBuffer() : (uintptr_t)program->getConstantSurface(rootDeviceIndex)->getGpuAddressToPatch();
const auto &arg = kernelDescriptor.payloadMappings.implicitArgs.globalConstantsSurfaceAddress;
patchWithImplicitSurface(reinterpret_cast<void *>(constMemory), *program->getConstantSurface(rootDeviceIndex), arg);
}
if (isValidOffset(kernelDescriptor.payloadMappings.implicitArgs.globalVariablesSurfaceAddress.stateless)) {
DEBUG_BREAK_IF(program->getGlobalSurface(rootDeviceIndex) == nullptr);
uintptr_t globalMemory = isBuiltIn ? (uintptr_t)program->getGlobalSurface(rootDeviceIndex)->getUnderlyingBuffer() : (uintptr_t)program->getGlobalSurface(rootDeviceIndex)->getGpuAddressToPatch();
const auto &arg = kernelDescriptor.payloadMappings.implicitArgs.globalVariablesSurfaceAddress;
patchWithImplicitSurface(reinterpret_cast<void *>(globalMemory), *program->getGlobalSurface(rootDeviceIndex), arg);
}
// Patch Surface State Heap
bool useGlobalAtomics = kernelInfo.kernelDescriptor.kernelAttributes.flags.useGlobalAtomics;
if (isValidOffset(kernelDescriptor.payloadMappings.implicitArgs.deviceSideEnqueueEventPoolSurfaceAddress.bindful)) {
auto surfaceState = ptrOffset(reinterpret_cast<uintptr_t *>(getSurfaceStateHeap()),
kernelDescriptor.payloadMappings.implicitArgs.deviceSideEnqueueEventPoolSurfaceAddress.bindful);
Buffer::setSurfaceState(&pClDevice->getDevice(), surfaceState, false, false, 0, nullptr, 0, nullptr, 0, 0, useGlobalAtomics, areMultipleSubDevicesInContext());
}
if (isValidOffset(kernelDescriptor.payloadMappings.implicitArgs.deviceSideEnqueueDefaultQueueSurfaceAddress.bindful)) {
auto surfaceState = ptrOffset(reinterpret_cast<uintptr_t *>(getSurfaceStateHeap()),
kernelDescriptor.payloadMappings.implicitArgs.deviceSideEnqueueDefaultQueueSurfaceAddress.bindful);
Buffer::setSurfaceState(&pClDevice->getDevice(), surfaceState, false, false, 0, nullptr, 0, nullptr, 0, 0, useGlobalAtomics, areMultipleSubDevicesInContext());
}
setThreadArbitrationPolicy(hwHelper.getDefaultThreadArbitrationPolicy());
if (false == kernelInfo.kernelDescriptor.kernelAttributes.flags.requiresSubgroupIndependentForwardProgress) {
setThreadArbitrationPolicy(ThreadArbitrationPolicy::AgeBased);
}
auto &clHwHelper = ClHwHelper::get(hwInfo.platform.eRenderCoreFamily);
auxTranslationRequired = !program->getIsBuiltIn() && HwHelper::compressedBuffersSupported(hwInfo) && clHwHelper.requiresAuxResolves(kernelInfo, hwInfo);
if (DebugManager.flags.ForceAuxTranslationEnabled.get() != -1) {
auxTranslationRequired &= !!DebugManager.flags.ForceAuxTranslationEnabled.get();
}
if (auxTranslationRequired) {
program->getContextPtr()->setResolvesRequiredInKernels(true);
}
if (program->isKernelDebugEnabled() && isValidOffset(kernelDescriptor.payloadMappings.implicitArgs.systemThreadSurfaceAddress.bindful)) {
debugEnabled = true;
}
auto numArgs = explicitArgs.size();
slmSizes.resize(numArgs);
this->kernelHasIndirectAccess |= kernelInfo.kernelDescriptor.kernelAttributes.hasNonKernelArgLoad ||
kernelInfo.kernelDescriptor.kernelAttributes.hasNonKernelArgStore ||
kernelInfo.kernelDescriptor.kernelAttributes.hasNonKernelArgAtomic;
provideInitializationHints();
// resolve the new kernel info to account for kernel handlers
// I think by this time we have decoded the binary and know the number of args etc.
// double check this assumption
bool usingBuffers = false;
kernelArguments.resize(numArgs);
kernelArgHandlers.resize(numArgs);
kernelArgRequiresCacheFlush.resize(numArgs);
for (uint32_t i = 0; i < numArgs; ++i) {
storeKernelArg(i, NONE_OBJ, nullptr, nullptr, 0);
// set the argument handler
const auto &arg = explicitArgs[i];
if (arg.is<ArgDescriptor::ArgTPointer>()) {
if (arg.getTraits().addressQualifier == KernelArgMetadata::AddrLocal) {
kernelArgHandlers[i] = &Kernel::setArgLocal;
} else if (arg.getTraits().typeQualifiers.pipeQual) {
kernelArgHandlers[i] = &Kernel::setArgPipe;
kernelArguments[i].type = PIPE_OBJ;
} else {
kernelArgHandlers[i] = &Kernel::setArgBuffer;
kernelArguments[i].type = BUFFER_OBJ;
usingBuffers = true;
allBufferArgsStateful &= static_cast<uint32_t>(arg.as<ArgDescPointer>().isPureStateful());
}
} else if (arg.is<ArgDescriptor::ArgTImage>()) {
kernelArgHandlers[i] = &Kernel::setArgImage;
kernelArguments[i].type = IMAGE_OBJ;
usingImages = true;
} else if (arg.is<ArgDescriptor::ArgTSampler>()) {
if (arg.getExtendedTypeInfo().isAccelerator) {
kernelArgHandlers[i] = &Kernel::setArgAccelerator;
} else {
kernelArgHandlers[i] = &Kernel::setArgSampler;
kernelArguments[i].type = SAMPLER_OBJ;
}
} else {
kernelArgHandlers[i] = &Kernel::setArgImmediate;
}
}
if (usingImages && !usingBuffers) {
usingImagesOnly = true;
}
return CL_SUCCESS;
}
cl_int Kernel::patchPrivateSurface() {
auto pClDevice = &getDevice();
auto rootDeviceIndex = pClDevice->getRootDeviceIndex();
auto &kernelDescriptor = kernelInfo.kernelDescriptor;
auto perHwThreadPrivateMemorySize = kernelDescriptor.kernelAttributes.perHwThreadPrivateMemorySize;
if (perHwThreadPrivateMemorySize) {
if (!privateSurface) {
privateSurfaceSize = KernelHelper::getPrivateSurfaceSize(perHwThreadPrivateMemorySize, pClDevice->getSharedDeviceInfo().computeUnitsUsedForScratch);
DEBUG_BREAK_IF(privateSurfaceSize == 0);
if (privateSurfaceSize > std::numeric_limits<uint32_t>::max()) {
return CL_OUT_OF_RESOURCES;
}
privateSurface = executionEnvironment.memoryManager->allocateGraphicsMemoryWithProperties(
{rootDeviceIndex,
static_cast<size_t>(privateSurfaceSize),
AllocationType::PRIVATE_SURFACE,
pClDevice->getDeviceBitfield()});
if (privateSurface == nullptr) {
return CL_OUT_OF_RESOURCES;
}
}
const auto &privateMemoryAddress = kernelDescriptor.payloadMappings.implicitArgs.privateMemoryAddress;
patchWithImplicitSurface(reinterpret_cast<void *>(privateSurface->getGpuAddressToPatch()), *privateSurface, privateMemoryAddress);
}
return CL_SUCCESS;
}
cl_int Kernel::cloneKernel(Kernel *pSourceKernel) {
// copy cross thread data to store arguments set to source kernel with clSetKernelArg on immediate data (non-pointer types)
memcpy_s(crossThreadData, crossThreadDataSize,
pSourceKernel->crossThreadData, pSourceKernel->crossThreadDataSize);
DEBUG_BREAK_IF(pSourceKernel->crossThreadDataSize != crossThreadDataSize);
[[maybe_unused]] auto status = patchPrivateSurface();
DEBUG_BREAK_IF(status != CL_SUCCESS);
// copy arguments set to source kernel with clSetKernelArg or clSetKernelArgSVMPointer
for (uint32_t i = 0; i < pSourceKernel->kernelArguments.size(); i++) {
if (0 == pSourceKernel->getKernelArgInfo(i).size) {
// skip copying arguments that haven't been set to source kernel
continue;
}
switch (pSourceKernel->kernelArguments[i].type) {
case NONE_OBJ:
// all arguments with immediate data (non-pointer types) have been copied in cross thread data
storeKernelArg(i, NONE_OBJ, nullptr, nullptr, pSourceKernel->getKernelArgInfo(i).size);
patchedArgumentsNum++;
kernelArguments[i].isPatched = true;
break;
case SVM_OBJ:
setArgSvm(i, pSourceKernel->getKernelArgInfo(i).size, const_cast<void *>(pSourceKernel->getKernelArgInfo(i).value),
pSourceKernel->getKernelArgInfo(i).pSvmAlloc, pSourceKernel->getKernelArgInfo(i).svmFlags);
break;
case SVM_ALLOC_OBJ:
setArgSvmAlloc(i, const_cast<void *>(pSourceKernel->getKernelArgInfo(i).value),
(GraphicsAllocation *)pSourceKernel->getKernelArgInfo(i).object,
pSourceKernel->getKernelArgInfo(i).allocId);
break;
default:
setArg(i, pSourceKernel->getKernelArgInfo(i).size, pSourceKernel->getKernelArgInfo(i).value);
break;
}
}
// copy additional information other than argument values set to source kernel with clSetKernelExecInfo
for (auto &gfxAlloc : pSourceKernel->kernelSvmGfxAllocations) {
kernelSvmGfxAllocations.push_back(gfxAlloc);
}
for (auto &gfxAlloc : pSourceKernel->kernelUnifiedMemoryGfxAllocations) {
kernelUnifiedMemoryGfxAllocations.push_back(gfxAlloc);
}
if (pImplicitArgs) {
memcpy_s(pImplicitArgs.get(), sizeof(ImplicitArgs), pSourceKernel->getImplicitArgs(), sizeof(ImplicitArgs));
}
this->isBuiltIn = pSourceKernel->isBuiltIn;
return CL_SUCCESS;
}
cl_int Kernel::getInfo(cl_kernel_info paramName, size_t paramValueSize,
void *paramValue, size_t *paramValueSizeRet) const {
cl_int retVal;
const void *pSrc = nullptr;
size_t srcSize = GetInfo::invalidSourceSize;
cl_uint numArgs = 0;
const _cl_program *prog;
const _cl_context *ctxt;
cl_uint refCount = 0;
uint64_t nonCannonizedGpuAddress = 0llu;
switch (paramName) {
case CL_KERNEL_FUNCTION_NAME:
pSrc = kernelInfo.kernelDescriptor.kernelMetadata.kernelName.c_str();
srcSize = kernelInfo.kernelDescriptor.kernelMetadata.kernelName.length() + 1;
break;
case CL_KERNEL_NUM_ARGS:
srcSize = sizeof(cl_uint);
numArgs = static_cast<cl_uint>(kernelInfo.kernelDescriptor.payloadMappings.explicitArgs.size());
pSrc = &numArgs;
break;
case CL_KERNEL_CONTEXT:
ctxt = &program->getContext();
srcSize = sizeof(ctxt);
pSrc = &ctxt;
break;
case CL_KERNEL_PROGRAM:
prog = program;
srcSize = sizeof(prog);
pSrc = &prog;
break;
case CL_KERNEL_REFERENCE_COUNT:
refCount = static_cast<cl_uint>(pMultiDeviceKernel->getRefApiCount());
srcSize = sizeof(refCount);
pSrc = &refCount;
break;
case CL_KERNEL_ATTRIBUTES:
pSrc = kernelInfo.kernelDescriptor.kernelMetadata.kernelLanguageAttributes.c_str();
srcSize = kernelInfo.kernelDescriptor.kernelMetadata.kernelLanguageAttributes.length() + 1;
break;
case CL_KERNEL_BINARY_PROGRAM_INTEL:
pSrc = getKernelHeap();
srcSize = getKernelHeapSize();
break;
case CL_KERNEL_BINARY_GPU_ADDRESS_INTEL:
nonCannonizedGpuAddress = GmmHelper::decanonize(kernelInfo.kernelAllocation->getGpuAddress());
pSrc = &nonCannonizedGpuAddress;
srcSize = sizeof(nonCannonizedGpuAddress);
break;
default:
getAdditionalInfo(paramName, pSrc, srcSize);
break;
}
auto getInfoStatus = GetInfo::getInfo(paramValue, paramValueSize, pSrc, srcSize);
retVal = changeGetInfoStatusToCLResultType(getInfoStatus);
GetInfo::setParamValueReturnSize(paramValueSizeRet, srcSize, getInfoStatus);
return retVal;
}
cl_int Kernel::getArgInfo(cl_uint argIndex, cl_kernel_arg_info paramName, size_t paramValueSize,
void *paramValue, size_t *paramValueSizeRet) const {
cl_int retVal;
const void *pSrc = nullptr;
size_t srcSize = GetInfo::invalidSourceSize;
const auto &args = kernelInfo.kernelDescriptor.payloadMappings.explicitArgs;
if (argIndex >= args.size()) {
retVal = CL_INVALID_ARG_INDEX;
return retVal;
}
const auto &argTraits = args[argIndex].getTraits();
const auto &argMetadata = kernelInfo.kernelDescriptor.explicitArgsExtendedMetadata[argIndex];
cl_kernel_arg_address_qualifier addressQualifier;
cl_kernel_arg_access_qualifier accessQualifier;
cl_kernel_arg_type_qualifier typeQualifier;
switch (paramName) {
case CL_KERNEL_ARG_ADDRESS_QUALIFIER:
addressQualifier = asClKernelArgAddressQualifier(argTraits.getAddressQualifier());
srcSize = sizeof(addressQualifier);
pSrc = &addressQualifier;
break;
case CL_KERNEL_ARG_ACCESS_QUALIFIER:
accessQualifier = asClKernelArgAccessQualifier(argTraits.getAccessQualifier());
srcSize = sizeof(accessQualifier);
pSrc = &accessQualifier;
break;
case CL_KERNEL_ARG_TYPE_QUALIFIER:
typeQualifier = asClKernelArgTypeQualifier(argTraits.typeQualifiers);
srcSize = sizeof(typeQualifier);
pSrc = &typeQualifier;
break;
case CL_KERNEL_ARG_TYPE_NAME:
srcSize = argMetadata.type.length() + 1;
pSrc = argMetadata.type.c_str();
break;
case CL_KERNEL_ARG_NAME:
srcSize = argMetadata.argName.length() + 1;
pSrc = argMetadata.argName.c_str();
break;
default:
break;
}
auto getInfoStatus = GetInfo::getInfo(paramValue, paramValueSize, pSrc, srcSize);
retVal = changeGetInfoStatusToCLResultType(getInfoStatus);
GetInfo::setParamValueReturnSize(paramValueSizeRet, srcSize, getInfoStatus);
return retVal;
}
cl_int Kernel::getWorkGroupInfo(cl_kernel_work_group_info paramName,
size_t paramValueSize, void *paramValue,
size_t *paramValueSizeRet) const {
cl_int retVal = CL_INVALID_VALUE;
const void *pSrc = nullptr;
size_t srcSize = GetInfo::invalidSourceSize;
struct size_t3 {
size_t val[3];
} requiredWorkGroupSize;
cl_ulong localMemorySize;
const auto &kernelDescriptor = kernelInfo.kernelDescriptor;
size_t preferredWorkGroupSizeMultiple = 0;
cl_ulong scratchSize;
cl_ulong privateMemSize;
size_t maxWorkgroupSize;
const auto &hwInfo = clDevice.getHardwareInfo();
auto &hwHelper = HwHelper::get(hwInfo.platform.eRenderCoreFamily);
auto &clHwHelper = ClHwHelper::get(hwInfo.platform.eRenderCoreFamily);
GetInfoHelper info(paramValue, paramValueSize, paramValueSizeRet);
switch (paramName) {
case CL_KERNEL_WORK_GROUP_SIZE:
maxWorkgroupSize = maxKernelWorkGroupSize;
if (DebugManager.flags.UseMaxSimdSizeToDeduceMaxWorkgroupSize.get()) {
auto divisionSize = CommonConstants::maximalSimdSize / kernelInfo.getMaxSimdSize();
maxWorkgroupSize /= divisionSize;
}
srcSize = sizeof(maxWorkgroupSize);
pSrc = &maxWorkgroupSize;
break;
case CL_KERNEL_COMPILE_WORK_GROUP_SIZE:
requiredWorkGroupSize.val[0] = kernelDescriptor.kernelAttributes.requiredWorkgroupSize[0];
requiredWorkGroupSize.val[1] = kernelDescriptor.kernelAttributes.requiredWorkgroupSize[1];
requiredWorkGroupSize.val[2] = kernelDescriptor.kernelAttributes.requiredWorkgroupSize[2];
srcSize = sizeof(requiredWorkGroupSize);
pSrc = &requiredWorkGroupSize;
break;
case CL_KERNEL_LOCAL_MEM_SIZE:
localMemorySize = kernelInfo.kernelDescriptor.kernelAttributes.slmInlineSize;
srcSize = sizeof(localMemorySize);
pSrc = &localMemorySize;
break;
case CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE:
preferredWorkGroupSizeMultiple = kernelInfo.getMaxSimdSize();
if (hwHelper.isFusedEuDispatchEnabled(hwInfo, kernelDescriptor.kernelAttributes.flags.requiresDisabledEUFusion)) {
preferredWorkGroupSizeMultiple *= 2;
}
srcSize = sizeof(preferredWorkGroupSizeMultiple);
pSrc = &preferredWorkGroupSizeMultiple;
break;
case CL_KERNEL_SPILL_MEM_SIZE_INTEL:
scratchSize = kernelDescriptor.kernelAttributes.perThreadScratchSize[0];
srcSize = sizeof(scratchSize);
pSrc = &scratchSize;
break;
case CL_KERNEL_PRIVATE_MEM_SIZE:
privateMemSize = clHwHelper.getKernelPrivateMemSize(kernelInfo);
srcSize = sizeof(privateMemSize);
pSrc = &privateMemSize;
break;
default:
getAdditionalWorkGroupInfo(paramName, pSrc, srcSize);
break;
}
auto getInfoStatus = GetInfo::getInfo(paramValue, paramValueSize, pSrc, srcSize);
retVal = changeGetInfoStatusToCLResultType(getInfoStatus);
GetInfo::setParamValueReturnSize(paramValueSizeRet, srcSize, getInfoStatus);
return retVal;
}
cl_int Kernel::getSubGroupInfo(cl_kernel_sub_group_info paramName,
size_t inputValueSize, const void *inputValue,
size_t paramValueSize, void *paramValue,
size_t *paramValueSizeRet) const {
size_t numDimensions = 0;
size_t WGS = 1;
auto maxSimdSize = static_cast<size_t>(kernelInfo.getMaxSimdSize());
auto maxRequiredWorkGroupSize = static_cast<size_t>(kernelInfo.getMaxRequiredWorkGroupSize(getMaxKernelWorkGroupSize()));
auto largestCompiledSIMDSize = static_cast<size_t>(kernelInfo.getMaxSimdSize());
GetInfoHelper info(paramValue, paramValueSize, paramValueSizeRet);
if ((paramName == CL_KERNEL_LOCAL_SIZE_FOR_SUB_GROUP_COUNT) ||
(paramName == CL_KERNEL_MAX_NUM_SUB_GROUPS) ||
(paramName == CL_KERNEL_COMPILE_NUM_SUB_GROUPS)) {
if (clDevice.areOcl21FeaturesEnabled() == false) {
return CL_INVALID_OPERATION;
}
}
if ((paramName == CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR) ||
(paramName == CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE_KHR)) {
if (!inputValue) {
return CL_INVALID_VALUE;
}
if (inputValueSize % sizeof(size_t) != 0) {
return CL_INVALID_VALUE;
}
numDimensions = inputValueSize / sizeof(size_t);
if (numDimensions == 0 ||
numDimensions > static_cast<size_t>(clDevice.getDeviceInfo().maxWorkItemDimensions)) {
return CL_INVALID_VALUE;
}
}
if (paramName == CL_KERNEL_LOCAL_SIZE_FOR_SUB_GROUP_COUNT) {
if (!paramValue) {
return CL_INVALID_VALUE;
}
if (paramValueSize % sizeof(size_t) != 0) {
return CL_INVALID_VALUE;
}
numDimensions = paramValueSize / sizeof(size_t);
if (numDimensions == 0 ||
numDimensions > static_cast<size_t>(clDevice.getDeviceInfo().maxWorkItemDimensions)) {
return CL_INVALID_VALUE;
}
}
switch (paramName) {
case CL_KERNEL_MAX_SUB_GROUP_SIZE_FOR_NDRANGE_KHR: {
return changeGetInfoStatusToCLResultType(info.set<size_t>(maxSimdSize));
}
case CL_KERNEL_SUB_GROUP_COUNT_FOR_NDRANGE_KHR: {
for (size_t i = 0; i < numDimensions; i++) {
WGS *= ((size_t *)inputValue)[i];
}
return changeGetInfoStatusToCLResultType(
info.set<size_t>((WGS / maxSimdSize) + std::min(static_cast<size_t>(1), WGS % maxSimdSize))); // add 1 if WGS % maxSimdSize != 0
}
case CL_KERNEL_LOCAL_SIZE_FOR_SUB_GROUP_COUNT: {
auto subGroupsNum = *(size_t *)inputValue;
auto workGroupSize = subGroupsNum * largestCompiledSIMDSize;
// return workgroup size in first dimension, the rest shall be 1 in positive case
if (workGroupSize > maxRequiredWorkGroupSize) {
workGroupSize = 0;
}
// If no work group size can accommodate the requested number of subgroups, return 0 in each element of the returned array.
switch (numDimensions) {
case 1:
return changeGetInfoStatusToCLResultType(info.set<size_t>(workGroupSize));
case 2:
struct size_t2 {
size_t val[2];
} workGroupSize2;
workGroupSize2.val[0] = workGroupSize;
workGroupSize2.val[1] = (workGroupSize > 0) ? 1 : 0;
return changeGetInfoStatusToCLResultType(info.set<size_t2>(workGroupSize2));
default:
struct size_t3 {
size_t val[3];
} workGroupSize3;
workGroupSize3.val[0] = workGroupSize;
workGroupSize3.val[1] = (workGroupSize > 0) ? 1 : 0;
workGroupSize3.val[2] = (workGroupSize > 0) ? 1 : 0;
return changeGetInfoStatusToCLResultType(info.set<size_t3>(workGroupSize3));
}
}
case CL_KERNEL_MAX_NUM_SUB_GROUPS: {
// round-up maximum number of subgroups
return changeGetInfoStatusToCLResultType(info.set<size_t>(Math::divideAndRoundUp(maxRequiredWorkGroupSize, largestCompiledSIMDSize)));
}
case CL_KERNEL_COMPILE_NUM_SUB_GROUPS: {
return changeGetInfoStatusToCLResultType(info.set<size_t>(static_cast<size_t>(kernelInfo.kernelDescriptor.kernelMetadata.compiledSubGroupsNumber)));
}
case CL_KERNEL_COMPILE_SUB_GROUP_SIZE_INTEL: {
return changeGetInfoStatusToCLResultType(info.set<size_t>(kernelInfo.kernelDescriptor.kernelMetadata.requiredSubGroupSize));
}
default:
return CL_INVALID_VALUE;
}
}
const void *Kernel::getKernelHeap() const {
return kernelInfo.heapInfo.pKernelHeap;
}
size_t Kernel::getKernelHeapSize() const {
return kernelInfo.heapInfo.KernelHeapSize;
}
void Kernel::substituteKernelHeap(void *newKernelHeap, size_t newKernelHeapSize) {
KernelInfo *pKernelInfo = const_cast<KernelInfo *>(&kernelInfo);
void **pKernelHeap = const_cast<void **>(&pKernelInfo->heapInfo.pKernelHeap);
*pKernelHeap = newKernelHeap;
auto &heapInfo = pKernelInfo->heapInfo;
heapInfo.KernelHeapSize = static_cast<uint32_t>(newKernelHeapSize);
pKernelInfo->isKernelHeapSubstituted = true;
auto memoryManager = executionEnvironment.memoryManager.get();
auto currentAllocationSize = pKernelInfo->kernelAllocation->getUnderlyingBufferSize();
bool status = false;
const auto &hwInfo = clDevice.getHardwareInfo();
auto &hwHelper = HwHelper::get(hwInfo.platform.eRenderCoreFamily);
size_t isaPadding = hwHelper.getPaddingForISAAllocation();
if (currentAllocationSize >= newKernelHeapSize + isaPadding) {
auto &hwInfo = clDevice.getDevice().getHardwareInfo();
auto &hwHelper = HwHelper::get(hwInfo.platform.eRenderCoreFamily);
status = MemoryTransferHelper::transferMemoryToAllocation(hwHelper.isBlitCopyRequiredForLocalMemory(hwInfo, *pKernelInfo->getGraphicsAllocation()),
clDevice.getDevice(), pKernelInfo->getGraphicsAllocation(), 0, newKernelHeap,
static_cast<size_t>(newKernelHeapSize));
} else {
memoryManager->checkGpuUsageAndDestroyGraphicsAllocations(pKernelInfo->kernelAllocation);
pKernelInfo->kernelAllocation = nullptr;
status = pKernelInfo->createKernelAllocation(clDevice.getDevice(), isBuiltIn);
}
UNRECOVERABLE_IF(!status);
}
bool Kernel::isKernelHeapSubstituted() const {
return kernelInfo.isKernelHeapSubstituted;
}
uint64_t Kernel::getKernelId() const {
return kernelInfo.kernelId;
}
void Kernel::setKernelId(uint64_t newKernelId) {
KernelInfo *pKernelInfo = const_cast<KernelInfo *>(&kernelInfo);
pKernelInfo->kernelId = newKernelId;
}
uint32_t Kernel::getStartOffset() const {
return this->startOffset;
}
void Kernel::setStartOffset(uint32_t offset) {
this->startOffset = offset;
}
void *Kernel::getSurfaceStateHeap() const {
return pSshLocal.get();
}
size_t Kernel::getDynamicStateHeapSize() const {
return kernelInfo.heapInfo.DynamicStateHeapSize;
}
const void *Kernel::getDynamicStateHeap() const {
return kernelInfo.heapInfo.pDsh;
}
size_t Kernel::getSurfaceStateHeapSize() const {
return sshLocalSize;
}
size_t Kernel::getNumberOfBindingTableStates() const {
return numberOfBindingTableStates;
}
void Kernel::resizeSurfaceStateHeap(void *pNewSsh, size_t newSshSize, size_t newBindingTableCount, size_t newBindingTableOffset) {
pSshLocal.reset(static_cast<char *>(pNewSsh));
sshLocalSize = static_cast<uint32_t>(newSshSize);
numberOfBindingTableStates = newBindingTableCount;
localBindingTableOffset = newBindingTableOffset;
}
void Kernel::markArgPatchedAndResolveArgs(uint32_t argIndex) {
if (!kernelArguments[argIndex].isPatched) {
patchedArgumentsNum++;
kernelArguments[argIndex].isPatched = true;
}
if (program->getContextPtr() && getContext().getRootDeviceIndices().size() > 1u && Kernel::isMemObj(kernelArguments[argIndex].type) && kernelArguments[argIndex].object) {
auto argMemObj = castToObjectOrAbort<MemObj>(reinterpret_cast<cl_mem>(kernelArguments[argIndex].object));
auto memObj = argMemObj->getHighestRootMemObj();
auto migrateRequiredForArg = memObj->getMultiGraphicsAllocation().requiresMigrations();
if (migratableArgsMap.find(argIndex) == migratableArgsMap.end() && migrateRequiredForArg) {
migratableArgsMap.insert({argIndex, memObj});
} else if (migrateRequiredForArg) {
migratableArgsMap[argIndex] = memObj;
} else {
migratableArgsMap.erase(argIndex);
}
}
resolveArgs();
}
cl_int Kernel::setArg(uint32_t argIndex, size_t argSize, const void *argVal) {
cl_int retVal = CL_SUCCESS;
bool updateExposedKernel = true;
auto argWasUncacheable = false;
if (kernelInfo.builtinDispatchBuilder != nullptr) {
updateExposedKernel = kernelInfo.builtinDispatchBuilder->setExplicitArg(argIndex, argSize, argVal, retVal);
}
if (updateExposedKernel) {
if (argIndex >= kernelArgHandlers.size()) {
return CL_INVALID_ARG_INDEX;
}
argWasUncacheable = kernelArguments[argIndex].isStatelessUncacheable;
auto argHandler = kernelArgHandlers[argIndex];
retVal = (this->*argHandler)(argIndex, argSize, argVal);
}
if (retVal == CL_SUCCESS) {
auto argIsUncacheable = kernelArguments[argIndex].isStatelessUncacheable;
statelessUncacheableArgsCount += (argIsUncacheable ? 1 : 0) - (argWasUncacheable ? 1 : 0);
markArgPatchedAndResolveArgs(argIndex);
}
return retVal;
}
cl_int Kernel::setArg(uint32_t argIndex, uint32_t argVal) {
return setArg(argIndex, sizeof(argVal), &argVal);
}
cl_int Kernel::setArg(uint32_t argIndex, uint64_t argVal) {
return setArg(argIndex, sizeof(argVal), &argVal);
}
cl_int Kernel::setArg(uint32_t argIndex, cl_mem argVal) {
return setArg(argIndex, sizeof(argVal), &argVal);
}
cl_int Kernel::setArg(uint32_t argIndex, cl_mem argVal, uint32_t mipLevel) {
auto retVal = setArgImageWithMipLevel(argIndex, sizeof(argVal), &argVal, mipLevel);
if (retVal == CL_SUCCESS) {
markArgPatchedAndResolveArgs(argIndex);
}
return retVal;
}
void *Kernel::patchBufferOffset(const ArgDescPointer &argAsPtr, void *svmPtr, GraphicsAllocation *svmAlloc) {
if (isUndefinedOffset(argAsPtr.bufferOffset)) {
return svmPtr;
}
void *ptrToPatch = svmPtr;
if (svmAlloc != nullptr) {
ptrToPatch = reinterpret_cast<void *>(svmAlloc->getGpuAddressToPatch());
}
constexpr uint32_t minimumAlignment = 4;
ptrToPatch = alignDown(ptrToPatch, minimumAlignment);
DEBUG_BREAK_IF(ptrDiff(svmPtr, ptrToPatch) != static_cast<uint32_t>(ptrDiff(svmPtr, ptrToPatch)));
uint32_t offsetToPatch = static_cast<uint32_t>(ptrDiff(svmPtr, ptrToPatch));
patch<uint32_t, uint32_t>(offsetToPatch, getCrossThreadData(), argAsPtr.bufferOffset);
return ptrToPatch;
}
cl_int Kernel::setArgSvm(uint32_t argIndex, size_t svmAllocSize, void *svmPtr, GraphicsAllocation *svmAlloc, cl_mem_flags svmFlags) {
const auto &argAsPtr = getKernelInfo().kernelDescriptor.payloadMappings.explicitArgs[argIndex].as<ArgDescPointer>();
auto patchLocation = ptrOffset(getCrossThreadData(), argAsPtr.stateless);
patchWithRequiredSize(patchLocation, argAsPtr.pointerSize, reinterpret_cast<uintptr_t>(svmPtr));
void *ptrToPatch = patchBufferOffset(argAsPtr, svmPtr, svmAlloc);
if (isValidOffset(argAsPtr.bindful)) {
auto surfaceState = ptrOffset(getSurfaceStateHeap(), argAsPtr.bindful);
Buffer::setSurfaceState(&getDevice().getDevice(), surfaceState, false, false, svmAllocSize + ptrDiff(svmPtr, ptrToPatch), ptrToPatch, 0, svmAlloc, svmFlags, 0,
kernelInfo.kernelDescriptor.kernelAttributes.flags.useGlobalAtomics, areMultipleSubDevicesInContext());
}
storeKernelArg(argIndex, SVM_OBJ, nullptr, svmPtr, sizeof(void *), svmAlloc, svmFlags);
if (!kernelArguments[argIndex].isPatched) {
patchedArgumentsNum++;
kernelArguments[argIndex].isPatched = true;
}
addAllocationToCacheFlushVector(argIndex, svmAlloc);
return CL_SUCCESS;
}
cl_int Kernel::setArgSvmAlloc(uint32_t argIndex, void *svmPtr, GraphicsAllocation *svmAlloc, uint32_t allocId) {
DBG_LOG_INPUTS("setArgBuffer svm_alloc", svmAlloc);
const auto &argAsPtr = getKernelInfo().kernelDescriptor.payloadMappings.explicitArgs[argIndex].as<ArgDescPointer>();
auto patchLocation = ptrOffset(getCrossThreadData(), argAsPtr.stateless);
patchWithRequiredSize(patchLocation, argAsPtr.pointerSize, reinterpret_cast<uintptr_t>(svmPtr));
bool disableL3 = false;
bool forceNonAuxMode = false;
bool isAuxTranslationKernel = (AuxTranslationDirection::None != auxTranslationDirection);
auto &hwInfo = getDevice().getHardwareInfo();
auto &clHwHelper = ClHwHelper::get(hwInfo.platform.eRenderCoreFamily);
if (isAuxTranslationKernel) {
if (((AuxTranslationDirection::AuxToNonAux == auxTranslationDirection) && argIndex == 1) ||
((AuxTranslationDirection::NonAuxToAux == auxTranslationDirection) && argIndex == 0)) {
forceNonAuxMode = true;
}
disableL3 = (argIndex == 0);
} else if (svmAlloc && svmAlloc->isCompressionEnabled() && clHwHelper.requiresNonAuxMode(argAsPtr, hwInfo)) {
forceNonAuxMode = true;
}
bool argWasUncacheable = kernelArguments[argIndex].isStatelessUncacheable;
bool argIsUncacheable = svmAlloc ? svmAlloc->isUncacheable() : false;
statelessUncacheableArgsCount += (argIsUncacheable ? 1 : 0) - (argWasUncacheable ? 1 : 0);
void *ptrToPatch = patchBufferOffset(argAsPtr, svmPtr, svmAlloc);
if (isValidOffset(argAsPtr.bindful)) {
auto surfaceState = ptrOffset(getSurfaceStateHeap(), argAsPtr.bindful);
size_t allocSize = 0;
size_t offset = 0;
if (svmAlloc != nullptr) {
allocSize = svmAlloc->getUnderlyingBufferSize();
offset = ptrDiff(ptrToPatch, svmAlloc->getGpuAddressToPatch());
allocSize -= offset;
}
Buffer::setSurfaceState(&getDevice().getDevice(), surfaceState, forceNonAuxMode, disableL3, allocSize, ptrToPatch, offset, svmAlloc, 0, 0,
kernelInfo.kernelDescriptor.kernelAttributes.flags.useGlobalAtomics, areMultipleSubDevicesInContext());
}
storeKernelArg(argIndex, SVM_ALLOC_OBJ, svmAlloc, svmPtr, sizeof(uintptr_t));
kernelArguments[argIndex].allocId = allocId;
kernelArguments[argIndex].allocIdMemoryManagerCounter = allocId ? this->getContext().getSVMAllocsManager()->allocationsCounter.load() : 0u;
if (!kernelArguments[argIndex].isPatched) {
patchedArgumentsNum++;
kernelArguments[argIndex].isPatched = true;
}
addAllocationToCacheFlushVector(argIndex, svmAlloc);
return CL_SUCCESS;
}
void Kernel::storeKernelArg(uint32_t argIndex, kernelArgType argType, void *argObject,
const void *argValue, size_t argSize,
GraphicsAllocation *argSvmAlloc, cl_mem_flags argSvmFlags) {
kernelArguments[argIndex].type = argType;
kernelArguments[argIndex].object = argObject;
kernelArguments[argIndex].value = argValue;
kernelArguments[argIndex].size = argSize;
kernelArguments[argIndex].pSvmAlloc = argSvmAlloc;
kernelArguments[argIndex].svmFlags = argSvmFlags;
}
void Kernel::storeKernelArgAllocIdMemoryManagerCounter(uint32_t argIndex, uint32_t allocIdMemoryManagerCounter) {
kernelArguments[argIndex].allocIdMemoryManagerCounter = allocIdMemoryManagerCounter;
}
const void *Kernel::getKernelArg(uint32_t argIndex) const {
return kernelArguments[argIndex].object;
}
const Kernel::SimpleKernelArgInfo &Kernel::getKernelArgInfo(uint32_t argIndex) const {
return kernelArguments[argIndex];
}
void Kernel::setSvmKernelExecInfo(GraphicsAllocation *argValue) {
kernelSvmGfxAllocations.push_back(argValue);
if (allocationForCacheFlush(argValue)) {
svmAllocationsRequireCacheFlush = true;
}
}
void Kernel::clearSvmKernelExecInfo() {
kernelSvmGfxAllocations.clear();
svmAllocationsRequireCacheFlush = false;
}
void Kernel::setUnifiedMemoryProperty(cl_kernel_exec_info infoType, bool infoValue) {
if (infoType == CL_KERNEL_EXEC_INFO_INDIRECT_DEVICE_ACCESS_INTEL) {
this->unifiedMemoryControls.indirectDeviceAllocationsAllowed = infoValue;
return;
}
if (infoType == CL_KERNEL_EXEC_INFO_INDIRECT_HOST_ACCESS_INTEL) {
this->unifiedMemoryControls.indirectHostAllocationsAllowed = infoValue;
return;
}
if (infoType == CL_KERNEL_EXEC_INFO_INDIRECT_SHARED_ACCESS_INTEL) {
this->unifiedMemoryControls.indirectSharedAllocationsAllowed = infoValue;
return;
}
}
void Kernel::setUnifiedMemoryExecInfo(GraphicsAllocation *unifiedMemoryAllocation) {
kernelUnifiedMemoryGfxAllocations.push_back(unifiedMemoryAllocation);
}
void Kernel::clearUnifiedMemoryExecInfo() {
kernelUnifiedMemoryGfxAllocations.clear();
}