compute-runtime/shared/source/helpers/heap_assigner.cpp

79 lines
2.6 KiB
C++

/*
* Copyright (C) 2020-2023 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/heap_assigner.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/memory_manager/gfx_partition.h"
#include "shared/source/memory_manager/memory_manager.h"
namespace NEO {
HeapAssigner::HeapAssigner(bool allowExternalHeap) {
apiAllowExternalHeapForSshAndDsh = allowExternalHeap;
}
bool HeapAssigner::useInternal32BitHeap(AllocationType allocType) {
return GraphicsAllocation::isIsaAllocationType(allocType) ||
allocType == AllocationType::internalHeap;
}
bool HeapAssigner::use32BitHeap(AllocationType allocType) {
return useExternal32BitHeap(allocType) || useInternal32BitHeap(allocType);
}
HeapIndex HeapAssigner::get32BitHeapIndex(AllocationType allocType, bool useLocalMem, const HardwareInfo &hwInfo, bool useFrontWindow) {
if (useInternal32BitHeap(allocType)) {
return useFrontWindow ? mapInternalWindowIndex(MemoryManager::selectInternalHeap(useLocalMem)) : MemoryManager::selectInternalHeap(useLocalMem);
}
return useFrontWindow ? mapExternalWindowIndex(MemoryManager::selectExternalHeap(useLocalMem)) : MemoryManager::selectExternalHeap(useLocalMem);
}
bool HeapAssigner::useExternal32BitHeap(AllocationType allocType) {
if (apiAllowExternalHeapForSshAndDsh) {
return allocType == AllocationType::linearStream;
}
return false;
}
bool HeapAssigner::heapTypeExternalWithFrontWindowPool(HeapIndex heap) {
return heap == HeapIndex::heapExternalDeviceMemory || heap == HeapIndex::heapExternal;
}
HeapIndex HeapAssigner::mapExternalWindowIndex(HeapIndex index) {
auto retIndex = HeapIndex::totalHeaps;
switch (index) {
case HeapIndex::heapExternal:
retIndex = HeapIndex::heapExternalFrontWindow;
break;
case HeapIndex::heapExternalDeviceMemory:
retIndex = HeapIndex::heapExternalDeviceFrontWindow;
break;
default:
UNRECOVERABLE_IF(true);
break;
};
return retIndex;
}
HeapIndex HeapAssigner::mapInternalWindowIndex(HeapIndex index) {
auto retIndex = HeapIndex::totalHeaps;
switch (index) {
case HeapIndex::heapInternal:
retIndex = HeapIndex::heapInternalFrontWindow;
break;
case HeapIndex::heapInternalDeviceMemory:
retIndex = HeapIndex::heapInternalDeviceFrontWindow;
break;
default:
UNRECOVERABLE_IF(true);
break;
};
return retIndex;
}
bool HeapAssigner::isInternalHeap(HeapIndex heap) {
return heap == HeapIndex::heapInternalDeviceMemory || heap == HeapIndex::heapInternal;
}
} // namespace NEO