100 lines
5.3 KiB
C++
100 lines
5.3 KiB
C++
/*
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* Copyright (c) 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "runtime/command_stream/command_stream_receiver.h"
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#include "runtime/command_stream/experimental_command_buffer.h"
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#include "runtime/command_stream/linear_stream.h"
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#include "runtime/memory_manager/memory_constants.h"
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#include "runtime/memory_manager/memory_manager.h"
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#include <cstring>
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#include <type_traits>
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namespace OCLRT {
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ExperimentalCommandBuffer::ExperimentalCommandBuffer(CommandStreamReceiver *csr, double profilingTimerResolution) : commandStreamReceiver(csr),
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currentStream(nullptr),
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timestampsOffset(0),
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experimentalAllocationOffset(0),
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defaultPrint(true),
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timerResolution(profilingTimerResolution) {
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timestamps = csr->getMemoryManager()->allocateGraphicsMemory(MemoryConstants::pageSize);
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memset(timestamps->getUnderlyingBuffer(), 0, timestamps->getUnderlyingBufferSize());
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experimentalAllocation = csr->getMemoryManager()->allocateGraphicsMemory(MemoryConstants::pageSize);
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memset(experimentalAllocation->getUnderlyingBuffer(), 0, experimentalAllocation->getUnderlyingBufferSize());
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}
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ExperimentalCommandBuffer::~ExperimentalCommandBuffer() {
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auto timestamp = static_cast<uint64_t *>(timestamps->getUnderlyingBuffer());
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for (uint32_t i = 0; i < timestampsOffset / (2 * sizeof(uint64_t)); i++) {
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auto stop = static_cast<uint64_t>(*(timestamp + 1) * timerResolution);
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auto start = static_cast<uint64_t>(*timestamp * timerResolution);
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auto delta = stop - start;
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printDebugString(defaultPrint, stdout, "#%u: delta %llu start %llu stop %llu\n", i, delta, start, stop);
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timestamp += 2;
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}
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MemoryManager *memManager = commandStreamReceiver->getMemoryManager();
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if (memManager) {
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memManager->freeGraphicsMemory(timestamps);
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memManager->freeGraphicsMemory(experimentalAllocation);
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if (currentStream.get()) {
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memManager->storeAllocation(std::unique_ptr<GraphicsAllocation>(currentStream->getGraphicsAllocation()), REUSABLE_ALLOCATION);
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currentStream->replaceGraphicsAllocation(nullptr);
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}
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}
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}
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void ExperimentalCommandBuffer::getCS(size_t minRequiredSize) {
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if (!currentStream) {
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currentStream.reset(new LinearStream(nullptr));
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}
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minRequiredSize += CSRequirements::minCommandQueueCommandStreamSize;
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if (currentStream->getAvailableSpace() < minRequiredSize) {
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MemoryManager *memManager = commandStreamReceiver->getMemoryManager();
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// If not, allocate a new block. allocate full pages
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minRequiredSize = alignUp(minRequiredSize, MemoryConstants::pageSize);
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auto requiredSize = minRequiredSize + CSRequirements::csOverfetchSize;
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GraphicsAllocation *allocation = memManager->obtainReusableAllocation(requiredSize, false).release();
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if (!allocation) {
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allocation = memManager->allocateGraphicsMemory(requiredSize);
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}
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allocation->setAllocationType(GraphicsAllocation::AllocationType::LINEAR_STREAM);
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// Deallocate the old block, if not null
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auto oldAllocation = currentStream->getGraphicsAllocation();
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if (oldAllocation) {
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memManager->storeAllocation(std::unique_ptr<GraphicsAllocation>(oldAllocation), REUSABLE_ALLOCATION);
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}
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currentStream->replaceBuffer(allocation->getUnderlyingBuffer(), minRequiredSize - CSRequirements::minCommandQueueCommandStreamSize);
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currentStream->replaceGraphicsAllocation(allocation);
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}
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}
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void ExperimentalCommandBuffer::makeResidentAllocations() {
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commandStreamReceiver->makeResident(*currentStream->getGraphicsAllocation());
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commandStreamReceiver->makeResident(*timestamps);
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commandStreamReceiver->makeResident(*experimentalAllocation);
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}
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} // namespace OCLRT
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