compute-runtime/opencl/source/helpers/per_thread_data.cpp

48 lines
1.9 KiB
C++

/*
* Copyright (C) 2018-2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "opencl/source/helpers/per_thread_data.h"
#include "shared/source/command_stream/linear_stream.h"
#include "shared/source/helpers/debug_helpers.h"
#include <array>
namespace NEO {
size_t PerThreadDataHelper::sendPerThreadData(
LinearStream &indirectHeap,
uint32_t simd,
uint32_t grfSize,
uint32_t numChannels,
const std::array<uint16_t, 3> &localWorkSizes,
const std::array<uint8_t, 3> &workgroupWalkOrder,
bool hasKernelOnlyImages) {
auto offsetPerThreadData = indirectHeap.getUsed();
if (numChannels) {
size_t localWorkSize = static_cast<size_t>(localWorkSizes[0]) * static_cast<size_t>(localWorkSizes[1]) * static_cast<size_t>(localWorkSizes[2]);
auto sizePerThreadDataTotal = getPerThreadDataSizeTotal(simd, grfSize, numChannels, localWorkSize);
auto pDest = indirectHeap.getSpace(sizePerThreadDataTotal);
// Generate local IDs
DEBUG_BREAK_IF(numChannels != 3);
generateLocalIDs(pDest, static_cast<uint16_t>(simd), localWorkSizes, workgroupWalkOrder, hasKernelOnlyImages, grfSize);
}
return offsetPerThreadData;
}
uint32_t PerThreadDataHelper::getThreadPayloadSize(const KernelDescriptor &kernelDescriptor, uint32_t grfSize) {
uint32_t multiplier = static_cast<uint32_t>(getGRFsPerThread(kernelDescriptor.kernelAttributes.simdSize, grfSize));
uint32_t threadPayloadSize = 0;
threadPayloadSize = kernelDescriptor.kernelAttributes.numLocalIdChannels * multiplier * grfSize;
threadPayloadSize += (kernelDescriptor.kernelAttributes.flags.perThreadDataHeaderIsPresent) ? grfSize : 0;
threadPayloadSize += (kernelDescriptor.kernelAttributes.flags.usesFlattenedLocalIds) ? (grfSize * multiplier) : 0;
threadPayloadSize += (kernelDescriptor.kernelAttributes.flags.perThreadDataUnusedGrfIsPresent) ? grfSize : 0;
return threadPayloadSize;
}
} // namespace NEO