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/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/program/kernel_info.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/device/device.h"
#include "shared/source/device_binary_format/zebin/zebin_elf.h"
#include "shared/source/helpers/kernel_helpers.h"
#include "shared/source/helpers/ptr_math.h"
#include "shared/source/memory_manager/allocation_properties.h"
#include "shared/source/memory_manager/memory_manager.h"
#include <cstdint>
#include <unordered_map>
namespace NEO {
struct KernelArgumentType {
const char *argTypeQualifier;
uint64_t argTypeQualifierValue;
};
KernelInfo::~KernelInfo() {
delete[] crossThreadData;
}
size_t KernelInfo::getSamplerStateArrayCount() const {
return kernelDescriptor.payloadMappings.samplerTable.numSamplers;
}
size_t KernelInfo::getBorderColorOffset() const {
size_t borderColorOffset = 0;
if (kernelDescriptor.payloadMappings.samplerTable.numSamplers > 0U) {
borderColorOffset = kernelDescriptor.payloadMappings.samplerTable.borderColor;
}
return borderColorOffset;
}
uint32_t KernelInfo::getConstantBufferSize() const {
return kernelDescriptor.kernelAttributes.crossThreadDataSize;
}
int32_t KernelInfo::getArgNumByName(const char *name) const {
int32_t argNum = 0;
for (const auto &argMeta : kernelDescriptor.explicitArgsExtendedMetadata) {
if (argMeta.argName.compare(name) == 0) {
return argNum;
}
++argNum;
}
return -1;
}
bool KernelInfo::createKernelAllocation(const Device &device, bool internalIsa) {
UNRECOVERABLE_IF(kernelAllocation);
auto kernelIsaSize = heapInfo.kernelHeapSize;
const auto allocType = internalIsa ? AllocationType::kernelIsaInternal : AllocationType::kernelIsa;
AllocationProperties properties = {device.getRootDeviceIndex(), kernelIsaSize, allocType, device.getDeviceBitfield()};
if (debugManager.flags.AlignLocalMemoryVaTo2MB.get() == 1) {
properties.alignment = MemoryConstants::pageSize2M;
}
if (device.getMemoryManager()->isKernelBinaryReuseEnabled()) {
auto lock = device.getMemoryManager()->lockKernelAllocationMap();
const auto &kernelName = this->kernelDescriptor.kernelMetadata.kernelName;
auto &storedAllocations = device.getMemoryManager()->getKernelAllocationMap();
auto kernelAllocations = storedAllocations.find(kernelName);
if (kernelAllocations != storedAllocations.end()) {
kernelAllocation = kernelAllocations->second.kernelAllocation;
kernelAllocations->second.reuseCounter++;
auto &rootDeviceEnvironment = device.getRootDeviceEnvironment();
auto &productHelper = device.getProductHelper();
return MemoryTransferHelper::transferMemoryToAllocation(productHelper.isBlitCopyRequiredForLocalMemory(rootDeviceEnvironment, *kernelAllocation),
device, kernelAllocation, 0, heapInfo.pKernelHeap,
static_cast<size_t>(kernelIsaSize));
} else {
kernelAllocation = device.getMemoryManager()->allocateGraphicsMemoryWithProperties(properties);
storedAllocations.insert(std::make_pair(kernelName, MemoryManager::KernelAllocationInfo(kernelAllocation, 1u)));
}
} else {
kernelAllocation = device.getMemoryManager()->allocateGraphicsMemoryWithProperties(properties);
}
if (!kernelAllocation) {
return false;
}
auto &rootDeviceEnvironment = device.getRootDeviceEnvironment();
auto &productHelper = device.getProductHelper();
return MemoryTransferHelper::transferMemoryToAllocation(productHelper.isBlitCopyRequiredForLocalMemory(rootDeviceEnvironment, *kernelAllocation),
device, kernelAllocation, 0, heapInfo.pKernelHeap,
static_cast<size_t>(kernelIsaSize));
}
void KernelInfo::apply(const DeviceInfoKernelPayloadConstants &constants) {
if (nullptr == this->crossThreadData) {
return;
}
const auto &implicitArgs = kernelDescriptor.payloadMappings.implicitArgs;
const auto privateMemorySize = static_cast<uint32_t>(KernelHelper::getPrivateSurfaceSize(kernelDescriptor.kernelAttributes.perHwThreadPrivateMemorySize,
constants.computeUnitsUsedForScratch));
auto setIfValidOffset = [&](auto value, NEO::CrossThreadDataOffset offset) {
if (isValidOffset(offset)) {
*ptrOffset(reinterpret_cast<decltype(value) *>(crossThreadData), offset) = value;
}
};
setIfValidOffset(reinterpret_cast<uintptr_t>(constants.slmWindow), implicitArgs.localMemoryStatelessWindowStartAddres);
setIfValidOffset(constants.slmWindowSize, implicitArgs.localMemoryStatelessWindowSize);
setIfValidOffset(privateMemorySize, implicitArgs.privateMemorySize);
setIfValidOffset(constants.maxWorkGroupSize, implicitArgs.maxWorkGroupSize);
}
std::string concatenateKernelNames(ArrayRef<KernelInfo *> kernelInfos) {
std::string semiColonDelimitedKernelNameStr;
for (const auto &kernelInfo : kernelInfos) {
const auto &kernelName = kernelInfo->kernelDescriptor.kernelMetadata.kernelName;
if (kernelName == NEO::Zebin::Elf::SectionNames::externalFunctions) {
continue;
}
if (!semiColonDelimitedKernelNameStr.empty()) {
semiColonDelimitedKernelNameStr += ';';
}
semiColonDelimitedKernelNameStr += kernelName;
}
return semiColonDelimitedKernelNameStr;
}
} // namespace NEO
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