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/*
* Copyright (C) 2018-2022 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/command_stream/experimental_command_buffer.h"
#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/command_stream/linear_stream.h"
#include "shared/source/helpers/constants.h"
#include "shared/source/memory_manager/internal_allocation_storage.h"
#include "shared/source/memory_manager/memory_manager.h"
#include "shared/source/os_interface/os_context.h"
#include <cstring>
#include <type_traits>
namespace NEO {
ExperimentalCommandBuffer::ExperimentalCommandBuffer(CommandStreamReceiver *csr, double profilingTimerResolution) : commandStreamReceiver(csr),
currentStream(nullptr),
timerResolution(profilingTimerResolution) {
auto rootDeviceIndex = csr->getRootDeviceIndex();
timestamps = csr->getMemoryManager()->allocateGraphicsMemoryWithProperties({rootDeviceIndex, MemoryConstants::pageSize, AllocationType::INTERNAL_HOST_MEMORY, csr->getOsContext().getDeviceBitfield()});
memset(timestamps->getUnderlyingBuffer(), 0, timestamps->getUnderlyingBufferSize());
experimentalAllocation = csr->getMemoryManager()->allocateGraphicsMemoryWithProperties({rootDeviceIndex, MemoryConstants::pageSize, AllocationType::INTERNAL_HOST_MEMORY, csr->getOsContext().getDeviceBitfield()});
memset(experimentalAllocation->getUnderlyingBuffer(), 0, experimentalAllocation->getUnderlyingBufferSize());
}
ExperimentalCommandBuffer::~ExperimentalCommandBuffer() {
auto timestamp = static_cast<uint64_t *>(timestamps->getUnderlyingBuffer());
for (uint32_t i = 0; i < timestampsOffset / (2 * sizeof(uint64_t)); i++) {
auto stop = static_cast<uint64_t>(*(timestamp + 1) * timerResolution);
auto start = static_cast<uint64_t>(*timestamp * timerResolution);
auto delta = stop - start;
PRINT_DEBUG_STRING(defaultPrint, stdout, "#%u: delta %llu start %llu stop %llu\n", i, delta, start, stop);
timestamp += 2;
}
MemoryManager *memoryManager = commandStreamReceiver->getMemoryManager();
memoryManager->freeGraphicsMemory(timestamps);
memoryManager->freeGraphicsMemory(experimentalAllocation);
if (currentStream.get()) {
memoryManager->freeGraphicsMemory(currentStream->getGraphicsAllocation());
currentStream->replaceGraphicsAllocation(nullptr);
}
}
void ExperimentalCommandBuffer::getCS(size_t minRequiredSize) {
if (!currentStream) {
currentStream.reset(new LinearStream(nullptr));
}
minRequiredSize += CSRequirements::minCommandQueueCommandStreamSize;
constexpr static auto additionalAllocationSize = CSRequirements::minCommandQueueCommandStreamSize + CSRequirements::csOverfetchSize;
commandStreamReceiver->ensureCommandBufferAllocation(*currentStream, minRequiredSize, additionalAllocationSize);
}
void ExperimentalCommandBuffer::makeResidentAllocations() {
commandStreamReceiver->makeResident(*currentStream->getGraphicsAllocation());
commandStreamReceiver->makeResident(*timestamps);
commandStreamReceiver->makeResident(*experimentalAllocation);
}
} // namespace NEO
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