compute-runtime/runtime/helpers/per_thread_data.cpp

57 lines
2.6 KiB
C++

/*
* Copyright (c) 2017 - 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "runtime/command_stream/linear_stream.h"
#include "runtime/helpers/debug_helpers.h"
#include "runtime/helpers/per_thread_data.h"
namespace OCLRT {
size_t PerThreadDataHelper::sendPerThreadData(
LinearStream &indirectHeap,
uint32_t simd,
uint32_t numChannels,
const size_t localWorkSizes[3]) {
auto offsetPerThreadData = indirectHeap.getUsed();
if (numChannels) {
auto localWorkSize = localWorkSizes[0] * localWorkSizes[1] * localWorkSizes[2];
auto sizePerThreadDataTotal = getPerThreadDataSizeTotal(simd, numChannels, localWorkSize);
auto pDest = indirectHeap.getSpace(sizePerThreadDataTotal);
// Generate local IDs
DEBUG_BREAK_IF(numChannels != 3);
generateLocalIDs(pDest, simd, localWorkSizes[0], localWorkSizes[1], localWorkSizes[2]);
}
return offsetPerThreadData;
}
uint32_t PerThreadDataHelper::getThreadPayloadSize(const iOpenCL::SPatchThreadPayload &threadPayload, uint32_t simd) {
uint32_t multiplier = static_cast<uint32_t>(getGRFsPerThread(simd));
uint32_t threadPayloadSize = 0;
threadPayloadSize = getNumLocalIdChannels(threadPayload) * multiplier * sizeof(GRF);
threadPayloadSize += (threadPayload.HeaderPresent) ? sizeof(GRF) : 0;
threadPayloadSize += (threadPayload.LocalIDFlattenedPresent) ? (sizeof(GRF) * multiplier) : 0;
threadPayloadSize += (threadPayload.UnusedPerThreadConstantPresent) ? (sizeof(GRF)) : 0;
return threadPayloadSize;
}
} // namespace OCLRT