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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/compiler_interface/external_functions.h"
#include "shared/source/device/device.h"
#include "shared/source/device_binary_format/device_binary_formats.h"
#include "shared/source/device_binary_format/zebin/debug_zebin.h"
#include "shared/source/device_binary_format/zebin/zebin_decoder.h"
#include "shared/source/device_binary_format/zebin/zeinfo_decoder.h"
#include "shared/source/execution_environment/execution_environment.h"
#include "shared/source/helpers/aligned_memory.h"
#include "shared/source/helpers/compiler_product_helper.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/helpers/file_io.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/helpers/ptr_math.h"
#include "shared/source/helpers/string.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/memory_manager/unified_memory_manager.h"
#include "shared/source/program/kernel_info.h"
#include "shared/source/program/program_info.h"
#include "shared/source/program/program_initialization.h"
#include "shared/source/utilities/time_measure_wrapper.h"
#include "opencl/source/cl_device/cl_device.h"
#include "opencl/source/context/context.h"
#include "opencl/source/program/program.h"
#include "program_debug_data.h"
#include <algorithm>
using namespace iOpenCL;
namespace NEO {
extern bool familyEnabled[];
const KernelInfo *Program::getKernelInfo(
const char *kernelName, uint32_t rootDeviceIndex) const {
if (kernelName == nullptr) {
return nullptr;
}
if (kernelName == NEO::Zebin::Elf::SectionNames::externalFunctions) {
return nullptr;
}
auto &kernelInfoArray = buildInfos[rootDeviceIndex].kernelInfoArray;
auto it = std::find_if(kernelInfoArray.begin(), kernelInfoArray.end(),
[=](const KernelInfo *kInfo) { return (0 == strcmp(kInfo->kernelDescriptor.kernelMetadata.kernelName.c_str(), kernelName)); });
return (it != kernelInfoArray.end()) ? *it : nullptr;
}
size_t Program::getNumKernels() const {
auto pClDevice = this->getDevicesInProgram();
auto rootDeviceIndex = pClDevice.at(0)->getRootDeviceIndex();
auto numKernels = buildInfos[rootDeviceIndex].kernelInfoArray.size();
auto usesExportedFunctions = (exportedFunctionsKernelId != std::numeric_limits<size_t>::max());
if (usesExportedFunctions) {
numKernels--;
}
return numKernels;
}
const KernelInfo *Program::getKernelInfo(size_t ordinal, uint32_t rootDeviceIndex) const {
auto &kernelInfoArray = buildInfos[rootDeviceIndex].kernelInfoArray;
if (exportedFunctionsKernelId <= ordinal) {
ordinal++;
}
DEBUG_BREAK_IF(ordinal >= kernelInfoArray.size());
return kernelInfoArray[ordinal];
}
cl_int Program::linkBinary(Device *pDevice, const void *constantsInitData, size_t constantsInitDataSize, const void *variablesInitData, size_t variablesInitDataSize,
const ProgramInfo::GlobalSurfaceInfo &stringsInfo, std::vector<NEO::ExternalFunctionInfo> &extFuncInfos) {
auto linkerInput = getLinkerInput(pDevice->getRootDeviceIndex());
if (linkerInput == nullptr) {
return CL_SUCCESS;
}
auto rootDeviceIndex = pDevice->getRootDeviceIndex();
auto &kernelInfoArray = buildInfos[rootDeviceIndex].kernelInfoArray;
buildInfos[rootDeviceIndex].constStringSectionData = stringsInfo;
Linker linker(*linkerInput);
Linker::SegmentInfo globals;
Linker::SegmentInfo constants;
Linker::SegmentInfo exportedFunctions;
Linker::SegmentInfo strings;
SharedPoolAllocation *globalsForPatching = getGlobalSurface(rootDeviceIndex);
SharedPoolAllocation *constantsForPatching = getConstantSurface(rootDeviceIndex);
if (globalsForPatching != nullptr) {
globals.gpuAddress = static_cast<uintptr_t>(globalsForPatching->getGpuAddress());
globals.segmentSize = globalsForPatching->getSize();
}
if (constantsForPatching != nullptr) {
constants.gpuAddress = static_cast<uintptr_t>(constantsForPatching->getGpuAddress());
constants.segmentSize = constantsForPatching->getSize();
}
if (stringsInfo.initData != nullptr) {
strings.gpuAddress = reinterpret_cast<uintptr_t>(stringsInfo.initData);
strings.segmentSize = stringsInfo.size;
}
if (linkerInput->getExportedFunctionsSegmentId() >= 0) {
exportedFunctionsKernelId = static_cast<size_t>(linkerInput->getExportedFunctionsSegmentId());
// Exported functions reside in instruction heap of one of kernels
auto exportedFunctionHeapId = linkerInput->getExportedFunctionsSegmentId();
buildInfos[rootDeviceIndex].exportedFunctionsSurface = kernelInfoArray[exportedFunctionHeapId]->getGraphicsAllocation();
auto &compilerProductHelper = pDevice->getCompilerProductHelper();
if (compilerProductHelper.isHeaplessModeEnabled(pDevice->getHardwareInfo())) {
exportedFunctions.gpuAddress = static_cast<uintptr_t>(buildInfos[rootDeviceIndex].exportedFunctionsSurface->getGpuAddress());
} else {
exportedFunctions.gpuAddress = static_cast<uintptr_t>(buildInfos[rootDeviceIndex].exportedFunctionsSurface->getGpuAddressToPatch());
}
exportedFunctions.segmentSize = buildInfos[rootDeviceIndex].exportedFunctionsSurface->getUnderlyingBufferSize();
}
Linker::PatchableSegments isaSegmentsForPatching;
std::vector<std::vector<char>> patchedIsaTempStorage;
Linker::KernelDescriptorsT kernelDescriptors;
if (linkerInput->getTraits().requiresPatchingOfInstructionSegments) {
patchedIsaTempStorage.reserve(kernelInfoArray.size());
kernelDescriptors.reserve(kernelInfoArray.size());
for (const auto &kernelInfo : kernelInfoArray) {
auto &kernHeapInfo = kernelInfo->heapInfo;
const char *originalIsa = reinterpret_cast<const char *>(kernHeapInfo.pKernelHeap);
patchedIsaTempStorage.push_back(std::vector<char>(originalIsa, originalIsa + kernHeapInfo.kernelHeapSize));
DEBUG_BREAK_IF(nullptr == kernelInfo->getGraphicsAllocation());
isaSegmentsForPatching.push_back(Linker::PatchableSegment{patchedIsaTempStorage.rbegin()->data(), static_cast<uintptr_t>(kernelInfo->getGraphicsAllocation()->getGpuAddressToPatch()), kernHeapInfo.kernelHeapSize});
kernelDescriptors.push_back(&kernelInfo->kernelDescriptor);
}
}
Linker::UnresolvedExternals unresolvedExternalsInfo;
bool linkSuccess = LinkingStatus::linkedFully == linker.link(globals, constants, exportedFunctions, strings,
globalsForPatching, constantsForPatching,
isaSegmentsForPatching, unresolvedExternalsInfo,
pDevice, constantsInitData, constantsInitDataSize,
variablesInitData, variablesInitDataSize,
kernelDescriptors, extFuncInfos);
setSymbols(rootDeviceIndex, linker.extractRelocatedSymbols());
if (false == linkSuccess) {
std::vector<std::string> kernelNames;
for (const auto &kernelInfo : kernelInfoArray) {
kernelNames.push_back("kernel : " + kernelInfo->kernelDescriptor.kernelMetadata.kernelName);
}
auto error = constructLinkerErrorMessage(unresolvedExternalsInfo, kernelNames);
updateBuildLog(pDevice->getRootDeviceIndex(), error.c_str(), error.size());
return CL_INVALID_BINARY;
} else if (linkerInput->getTraits().requiresPatchingOfInstructionSegments) {
for (auto kernelId = 0u; kernelId < kernelInfoArray.size(); kernelId++) {
const auto &kernelInfo = kernelInfoArray[kernelId];
auto &kernHeapInfo = kernelInfo->heapInfo;
auto segmentId = &kernelInfo - &kernelInfoArray[0];
auto &rootDeviceEnvironment = pDevice->getRootDeviceEnvironment();
const auto &productHelper = pDevice->getProductHelper();
MemoryTransferHelper::transferMemoryToAllocation(productHelper.isBlitCopyRequiredForLocalMemory(rootDeviceEnvironment, *kernelInfo->getGraphicsAllocation()),
*pDevice, kernelInfo->getGraphicsAllocation(), 0, isaSegmentsForPatching[segmentId].hostPointer,
static_cast<size_t>(kernHeapInfo.kernelHeapSize));
}
}
DBG_LOG(PrintRelocations, NEO::constructRelocationsDebugMessage(this->getSymbols(pDevice->getRootDeviceIndex())));
return CL_SUCCESS;
}
cl_int Program::processGenBinaries(const ClDeviceVector &clDevices, std::unordered_map<uint32_t, BuildPhase> &phaseReached) {
cl_int retVal = CL_SUCCESS;
for (auto &clDevice : clDevices) {
if (BuildPhase::binaryProcessing == phaseReached[clDevice->getRootDeviceIndex()]) {
continue;
}
if (debugManager.flags.PrintProgramBinaryProcessingTime.get()) {
retVal = TimeMeasureWrapper::functionExecution(*this, &Program::processGenBinary, *clDevice);
} else {
retVal = processGenBinary(*clDevice);
}
if (retVal != CL_SUCCESS) {
break;
}
phaseReached[clDevice->getRootDeviceIndex()] = BuildPhase::binaryProcessing;
}
return retVal;
}
cl_int Program::processGenBinary(const ClDevice &clDevice) {
auto rootDeviceIndex = clDevice.getRootDeviceIndex();
if (nullptr == this->buildInfos[rootDeviceIndex].unpackedDeviceBinary) {
ArrayRef<const uint8_t> archive(reinterpret_cast<uint8_t *>(this->buildInfos[rootDeviceIndex].packedDeviceBinary.get()), this->buildInfos[rootDeviceIndex].packedDeviceBinarySize);
if (isAnyPackedDeviceBinaryFormat(archive)) {
std::string outErrReason, outWarning;
auto productAbbreviation = NEO::hardwarePrefix[clDevice.getHardwareInfo().platform.eProductFamily];
NEO::TargetDevice targetDevice = NEO::getTargetDevice(clDevice.getRootDeviceEnvironment());
auto singleDeviceBinary = unpackSingleDeviceBinary(archive, ConstStringRef(productAbbreviation, strlen(productAbbreviation)), targetDevice, outErrReason, outWarning);
auto singleDeviceBinarySize = singleDeviceBinary.deviceBinary.size();
this->buildInfos[rootDeviceIndex].unpackedDeviceBinary = makeCopy<char>(reinterpret_cast<const char *>(singleDeviceBinary.deviceBinary.begin()), singleDeviceBinarySize);
this->buildInfos[rootDeviceIndex].unpackedDeviceBinarySize = singleDeviceBinarySize;
this->isGeneratedByIgc = singleDeviceBinary.generator == GeneratorType::igc;
this->indirectDetectionVersion = singleDeviceBinary.generatorFeatureVersions.indirectMemoryAccessDetection;
this->indirectAccessBufferMajorVersion = singleDeviceBinary.generatorFeatureVersions.indirectAccessBuffer;
} else {
return CL_INVALID_BINARY;
}
} else {
if (NEO::debugManager.flags.DumpZEBin.get() == 1 && isDeviceBinaryFormat<DeviceBinaryFormat::zebin>(ArrayRef<const uint8_t>(reinterpret_cast<const uint8_t *>(this->buildInfos[rootDeviceIndex].unpackedDeviceBinary.get()), this->buildInfos[rootDeviceIndex].unpackedDeviceBinarySize))) {
dumpFileIncrement(this->buildInfos[rootDeviceIndex].unpackedDeviceBinary.get(), this->buildInfos[rootDeviceIndex].unpackedDeviceBinarySize, "dumped_zebin_module", ".elf");
}
}
cleanCurrentKernelInfo(rootDeviceIndex);
auto &buildInfo = buildInfos[rootDeviceIndex];
if (buildInfo.constantSurface) {
auto gpuAddress = reinterpret_cast<void *>(buildInfo.constantSurface->getGpuAddress());
if (auto usmPool = clDevice.getDevice().getUsmConstantSurfaceAllocPool();
usmPool && usmPool->isInPool(gpuAddress)) {
[[maybe_unused]] auto ret = usmPool->freeSVMAlloc(gpuAddress, false);
DEBUG_BREAK_IF(!ret);
} else if (auto &pool = clDevice.getDevice().getConstantSurfacePoolAllocator();
pool.isPoolBuffer(buildInfo.constantSurface->getGraphicsAllocation())) {
pool.freeSharedAllocation(buildInfo.constantSurface.release());
} else {
clDevice.getMemoryManager()->freeGraphicsMemory(buildInfo.constantSurface->getGraphicsAllocation());
}
buildInfo.constantSurface.reset();
}
if (buildInfo.globalSurface) {
auto gpuAddress = reinterpret_cast<void *>(buildInfo.globalSurface->getGpuAddress());
if (auto usmPool = clDevice.getDevice().getUsmGlobalSurfaceAllocPool();
usmPool && usmPool->isInPool(gpuAddress)) {
[[maybe_unused]] auto ret = usmPool->freeSVMAlloc(gpuAddress, false);
DEBUG_BREAK_IF(!ret);
} else if (auto &pool = clDevice.getDevice().getGlobalSurfacePoolAllocator();
pool.isPoolBuffer(buildInfo.globalSurface->getGraphicsAllocation())) {
pool.freeSharedAllocation(buildInfo.globalSurface.release());
} else {
clDevice.getMemoryManager()->freeGraphicsMemory(buildInfo.globalSurface->getGraphicsAllocation());
}
buildInfo.globalSurface.reset();
}
if (!decodedSingleDeviceBinary.isSet) {
decodedSingleDeviceBinary.programInfo = {};
auto blob = ArrayRef<const uint8_t>(reinterpret_cast<const uint8_t *>(buildInfo.unpackedDeviceBinary.get()), buildInfo.unpackedDeviceBinarySize);
SingleDeviceBinary binary = {};
binary.deviceBinary = blob;
binary.targetDevice = NEO::getTargetDevice(clDevice.getRootDeviceEnvironment());
auto &gfxCoreHelper = clDevice.getGfxCoreHelper();
std::tie(decodedSingleDeviceBinary.decodeError, std::ignore) = NEO::decodeSingleDeviceBinary(decodedSingleDeviceBinary.programInfo, binary, decodedSingleDeviceBinary.decodeErrors, decodedSingleDeviceBinary.decodeWarnings, gfxCoreHelper);
} else {
decodedSingleDeviceBinary.isSet = false;
}
if (decodedSingleDeviceBinary.decodeWarnings.empty() == false) {
PRINT_DEBUG_STRING(debugManager.flags.PrintDebugMessages.get(), stderr, "%s\n", decodedSingleDeviceBinary.decodeWarnings.c_str());
}
if (DecodeError::success != decodedSingleDeviceBinary.decodeError) {
PRINT_DEBUG_STRING(debugManager.flags.PrintDebugMessages.get(), stderr, "%s\n", decodedSingleDeviceBinary.decodeErrors.c_str());
return CL_INVALID_BINARY;
}
return this->processProgramInfo(decodedSingleDeviceBinary.programInfo, clDevice);
}
cl_int Program::processProgramInfo(ProgramInfo &src, const ClDevice &clDevice) {
auto rootDeviceIndex = clDevice.getRootDeviceIndex();
auto &kernelInfoArray = buildInfos[rootDeviceIndex].kernelInfoArray;
size_t slmNeeded = getMaxInlineSlmNeeded(src);
size_t slmAvailable = 0U;
NEO::DeviceInfoKernelPayloadConstants deviceInfoConstants;
LinkerInput *linkerInput = nullptr;
slmAvailable = static_cast<size_t>(clDevice.getSharedDeviceInfo().localMemSize);
deviceInfoConstants.maxWorkGroupSize = static_cast<uint32_t>(clDevice.getSharedDeviceInfo().maxWorkGroupSize);
deviceInfoConstants.computeUnitsUsedForScratch = clDevice.getSharedDeviceInfo().computeUnitsUsedForScratch;
deviceInfoConstants.slmWindowSize = static_cast<uint32_t>(clDevice.getSharedDeviceInfo().localMemSize);
if (requiresLocalMemoryWindowVA(src)) {
deviceInfoConstants.slmWindow = this->executionEnvironment.memoryManager->getReservedMemory(MemoryConstants::slmWindowSize, MemoryConstants::slmWindowAlignment);
}
linkerInput = src.linkerInput.get();
setLinkerInput(rootDeviceIndex, std::move(src.linkerInput));
if (slmNeeded > slmAvailable) {
PRINT_DEBUG_STRING(NEO::debugManager.flags.PrintDebugMessages.get(), stderr, "Size of SLM (%u) larger than available (%u)\n",
static_cast<uint32_t>(slmNeeded), static_cast<uint32_t>(slmAvailable));
return CL_OUT_OF_RESOURCES;
}
kernelInfoArray = std::move(src.kernelInfos);
bool isBindlessKernelPresent = false;
for (auto &kernelInfo : kernelInfoArray) {
if (NEO::KernelDescriptor::isBindlessAddressingKernel(kernelInfo->kernelDescriptor)) {
isBindlessKernelPresent = true;
break;
}
}
auto svmAllocsManager = context ? context->getSVMAllocsManager() : nullptr;
auto globalConstDataSize = src.globalConstants.size + src.globalConstants.zeroInitSize;
if (globalConstDataSize != 0) {
buildInfos[rootDeviceIndex].constantSurface.reset(allocateGlobalsSurface(svmAllocsManager, clDevice.getDevice(), globalConstDataSize, src.globalConstants.zeroInitSize, true, linkerInput, src.globalConstants.initData));
if (isBindlessKernelPresent) {
if (!clDevice.getMemoryManager()->allocateBindlessSlot(buildInfos[rootDeviceIndex].constantSurface->getGraphicsAllocation())) {
return CL_OUT_OF_HOST_MEMORY;
}
}
}
auto globalVariablesDataSize = src.globalVariables.size + src.globalVariables.zeroInitSize;
buildInfos[rootDeviceIndex].globalVarTotalSize = globalVariablesDataSize;
if (globalVariablesDataSize != 0) {
buildInfos[rootDeviceIndex].globalSurface.reset(allocateGlobalsSurface(svmAllocsManager, clDevice.getDevice(), globalVariablesDataSize, src.globalVariables.zeroInitSize, false, linkerInput, src.globalVariables.initData));
if (isBindlessKernelPresent) {
if (!clDevice.getMemoryManager()->allocateBindlessSlot(buildInfos[rootDeviceIndex].globalSurface->getGraphicsAllocation())) {
return CL_OUT_OF_HOST_MEMORY;
}
}
}
buildInfos[rootDeviceIndex].kernelMiscInfoPos = src.kernelMiscInfoPos;
for (auto &kernelInfo : kernelInfoArray) {
cl_int retVal = CL_SUCCESS;
if (kernelInfo->heapInfo.kernelHeapSize) {
retVal = kernelInfo->createKernelAllocation(clDevice.getDevice(), isBuiltIn) ? CL_SUCCESS : CL_OUT_OF_HOST_MEMORY;
}
if (retVal != CL_SUCCESS) {
return retVal;
}
kernelInfo->apply(deviceInfoConstants);
}
indirectDetectionVersion = src.indirectDetectionVersion;
indirectAccessBufferMajorVersion = src.indirectAccessBufferMajorVersion;
return linkBinary(&clDevice.getDevice(), src.globalConstants.initData, src.globalConstants.size, src.globalVariables.initData,
src.globalVariables.size, src.globalStrings, src.externalFunctions);
}
void Program::processDebugData(uint32_t rootDeviceIndex) {
if (this->buildInfos[rootDeviceIndex].debugData != nullptr) {
auto &kernelInfoArray = buildInfos[rootDeviceIndex].kernelInfoArray;
SProgramDebugDataHeaderIGC *programDebugHeader = reinterpret_cast<SProgramDebugDataHeaderIGC *>(this->buildInfos[rootDeviceIndex].debugData.get());
DEBUG_BREAK_IF(programDebugHeader->NumberOfKernels != kernelInfoArray.size());
const SKernelDebugDataHeaderIGC *kernelDebugHeader = reinterpret_cast<SKernelDebugDataHeaderIGC *>(ptrOffset(programDebugHeader, sizeof(SProgramDebugDataHeaderIGC)));
const char *kernelName = nullptr;
const char *kernelDebugData = nullptr;
for (uint32_t i = 0; i < programDebugHeader->NumberOfKernels; i++) {
kernelName = reinterpret_cast<const char *>(ptrOffset(kernelDebugHeader, sizeof(SKernelDebugDataHeaderIGC)));
auto kernelInfo = kernelInfoArray[i];
UNRECOVERABLE_IF(kernelInfo->kernelDescriptor.kernelMetadata.kernelName.compare(0, kernelInfo->kernelDescriptor.kernelMetadata.kernelName.size(), kernelName) != 0);
kernelDebugData = ptrOffset(kernelName, kernelDebugHeader->KernelNameSize);
kernelInfo->debugData.vIsa = kernelDebugData;
kernelInfo->debugData.genIsa = ptrOffset(kernelDebugData, kernelDebugHeader->SizeVisaDbgInBytes);
kernelInfo->debugData.vIsaSize = kernelDebugHeader->SizeVisaDbgInBytes;
kernelInfo->debugData.genIsaSize = kernelDebugHeader->SizeGenIsaDbgInBytes;
kernelDebugData = ptrOffset(kernelDebugData, kernelDebugHeader->SizeVisaDbgInBytes + kernelDebugHeader->SizeGenIsaDbgInBytes);
kernelDebugHeader = reinterpret_cast<const SKernelDebugDataHeaderIGC *>(kernelDebugData);
}
}
}
Zebin::Debug::Segments Program::getZebinSegments(uint32_t rootDeviceIndex) {
ArrayRef<const uint8_t> strings = {reinterpret_cast<const uint8_t *>(buildInfos[rootDeviceIndex].constStringSectionData.initData),
buildInfos[rootDeviceIndex].constStringSectionData.size};
std::vector<NEO::Zebin::Debug::Segments::KernelNameIsaTupleT> kernels;
for (const auto &kernelInfo : buildInfos[rootDeviceIndex].kernelInfoArray) {
NEO::Zebin::Debug::Segments::Segment segment = {static_cast<uintptr_t>(kernelInfo->getGraphicsAllocation()->getGpuAddress()), kernelInfo->getGraphicsAllocation()->getUnderlyingBufferSize()};
kernels.push_back({kernelInfo->kernelDescriptor.kernelMetadata.kernelName, segment});
}
return Zebin::Debug::Segments(getGlobalSurface(rootDeviceIndex), getConstantSurface(rootDeviceIndex), strings, kernels);
}
void Program::createDebugZebin(uint32_t rootDeviceIndex) {
if (this->buildInfos[rootDeviceIndex].debugDataSize != 0) {
return;
}
auto &debugDataRef = this->buildInfos[rootDeviceIndex].debugData;
auto &debugDataSizeRef = this->buildInfos[rootDeviceIndex].debugDataSize;
auto refBin = ArrayRef<const uint8_t>(reinterpret_cast<const uint8_t *>(buildInfos[rootDeviceIndex].unpackedDeviceBinary.get()), buildInfos[rootDeviceIndex].unpackedDeviceBinarySize);
auto segments = getZebinSegments(rootDeviceIndex);
auto debugZebin = Zebin::Debug::createDebugZebin(refBin, segments);
debugDataSizeRef = debugZebin.size();
debugDataRef.reset(new char[debugDataSizeRef]);
memcpy_s(debugDataRef.get(), debugDataSizeRef,
debugZebin.data(), debugZebin.size());
}
void Program::createDebugData(ClDevice *clDevice) {
auto rootDeviceIndex = clDevice->getRootDeviceIndex();
auto &buildInfo = this->buildInfos[rootDeviceIndex];
auto refBin = ArrayRef<const uint8_t>(reinterpret_cast<const uint8_t *>(buildInfo.unpackedDeviceBinary.get()), buildInfo.unpackedDeviceBinarySize);
if (NEO::isDeviceBinaryFormat<NEO::DeviceBinaryFormat::zebin>(refBin)) {
createDebugZebin(rootDeviceIndex);
} else {
processDebugData(rootDeviceIndex);
}
}
} // namespace NEO
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