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69a16fd3ed
Do not make indirect allocations resident if kernel does not use indirect access. For both level zero and opencl. Currently disabled by default, enable with debug flag DetectIndirectAccessInKernel Related-To: NEO-7712 Signed-off-by: Dominik Dabek <dominik.dabek@intel.com>
102 lines
4.5 KiB
C++
102 lines
4.5 KiB
C++
/*
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* Copyright (C) 2019-2023 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/helpers/kernel_helpers.h"
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#include "shared/source/debug_settings/debug_settings_manager.h"
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#include "shared/source/device/device.h"
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#include "shared/source/execution_environment/root_device_environment.h"
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#include "shared/source/helpers/basic_math.h"
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#include "shared/source/helpers/debug_helpers.h"
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#include "shared/source/helpers/gfx_core_helper.h"
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#include <algorithm>
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namespace NEO {
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uint32_t KernelHelper::getMaxWorkGroupCount(uint32_t simd, uint32_t availableThreadCount, uint32_t dssCount, uint32_t availableSlmSize,
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uint32_t usedSlmSize, uint32_t maxBarrierCount, uint32_t numberOfBarriers, uint32_t workDim,
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const size_t *localWorkSize) {
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if (DebugManager.flags.OverrideMaxWorkGroupCount.get() != -1) {
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return static_cast<uint32_t>(DebugManager.flags.OverrideMaxWorkGroupCount.get());
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}
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UNRECOVERABLE_IF((workDim == 0) || (workDim > 3));
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UNRECOVERABLE_IF(localWorkSize == nullptr);
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size_t workGroupSize = localWorkSize[0];
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for (uint32_t i = 1; i < workDim; i++) {
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workGroupSize *= localWorkSize[i];
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}
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auto numThreadsPerThreadGroup = static_cast<uint32_t>(Math::divideAndRoundUp(workGroupSize, simd));
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auto maxWorkGroupsCount = availableThreadCount / numThreadsPerThreadGroup;
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if (numberOfBarriers > 0) {
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auto maxWorkGroupsCountDueToBarrierUsage = dssCount * (maxBarrierCount / numberOfBarriers);
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maxWorkGroupsCount = std::min(maxWorkGroupsCount, maxWorkGroupsCountDueToBarrierUsage);
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}
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if (usedSlmSize > 0) {
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auto maxWorkGroupsCountDueToSlm = availableSlmSize / usedSlmSize;
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maxWorkGroupsCount = std::min(maxWorkGroupsCount, maxWorkGroupsCountDueToSlm);
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}
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return maxWorkGroupsCount;
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}
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KernelHelper::ErrorCode KernelHelper::checkIfThereIsSpaceForScratchOrPrivate(KernelDescriptor::KernelAttributes attributes, Device *device) {
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auto &gfxCoreHelper = device->getRootDeviceEnvironment().getHelper<NEO::GfxCoreHelper>();
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uint32_t maxScratchSize = gfxCoreHelper.getMaxScratchSize();
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if ((attributes.perThreadScratchSize[0] > maxScratchSize) || (attributes.perThreadScratchSize[1] > maxScratchSize)) {
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return KernelHelper::ErrorCode::INVALID_KERNEL;
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}
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auto globalMemorySize = device->getDeviceInfo().globalMemSize;
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auto computeUnitsForScratch = device->getDeviceInfo().computeUnitsUsedForScratch;
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auto totalPrivateMemorySize = KernelHelper::getPrivateSurfaceSize(attributes.perHwThreadPrivateMemorySize, computeUnitsForScratch);
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auto totalScratchSize = KernelHelper::getScratchSize(attributes.perThreadScratchSize[0], computeUnitsForScratch);
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auto totalPrivateScratchSize = KernelHelper::getPrivateScratchSize(attributes.perThreadScratchSize[1], computeUnitsForScratch);
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PRINT_DEBUG_STRING(DebugManager.flags.PrintDebugMessages.get(), stderr,
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"computeUnits for each thread: %u\n", computeUnitsForScratch);
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PRINT_DEBUG_STRING(DebugManager.flags.PrintDebugMessages.get(), stderr,
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"perHwThreadPrivateMemorySize: %u\t totalPrivateMemorySize: %lu\n",
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attributes.perHwThreadPrivateMemorySize, totalPrivateMemorySize);
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PRINT_DEBUG_STRING(DebugManager.flags.PrintDebugMessages.get(), stderr,
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"perHwThreadScratchSize: %u\t totalScratchSize: %lu\n",
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attributes.perThreadScratchSize[0], totalScratchSize);
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PRINT_DEBUG_STRING(DebugManager.flags.PrintDebugMessages.get(), stderr,
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"perHwThreadPrivateScratchSize: %u\t totalPrivateScratchSize: %lu\n",
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attributes.perThreadScratchSize[1], totalPrivateScratchSize);
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if (totalPrivateMemorySize > globalMemorySize ||
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totalScratchSize > globalMemorySize ||
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totalPrivateScratchSize > globalMemorySize) {
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return KernelHelper::ErrorCode::OUT_OF_DEVICE_MEMORY;
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}
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return KernelHelper::ErrorCode::SUCCESS;
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}
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bool KernelHelper::isAnyArgumentPtrByValue(const KernelDescriptor &kernelDescriptor) {
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for (auto &argDescriptor : kernelDescriptor.payloadMappings.explicitArgs) {
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if (argDescriptor.type == NEO::ArgDescriptor::ArgTValue) {
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for (auto &element : argDescriptor.as<NEO::ArgDescValue>().elements) {
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if (element.isPtr) {
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return true;
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}
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}
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}
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}
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return false;
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}
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} // namespace NEO
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