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performance: Prefer to assign new gpu va rather than reuse

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Resolves: NEO-10734

Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk
2024-11-04 14:41:41 +00:00
committed by Compute-Runtime-Automation
parent e60cbe6081
commit fe82425fa9
3 changed files with 49 additions and 121 deletions
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48
shared/source/utilities/heap_allocator.cpp
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@@ -36,32 +36,34 @@ uint64_t HeapAllocator::allocateWithCustomAlignment(size_t &sizeToAllocate, size
uint32_t defragmentCount = 0;
for (;;) {
size_t sizeOfFreedChunk = 0;
uint64_t ptrReturn = getFromFreedChunks(sizeToAllocate, freedChunks, sizeOfFreedChunk, alignment);
uint64_t ptrReturn = 0llu;
if (ptrReturn == 0llu) {
if (sizeToAllocate > sizeThreshold) {
const uint64_t misalignment = alignUp(pLeftBound, alignment) - pLeftBound;
if (pLeftBound + misalignment + sizeToAllocate <= pRightBound) {
if (misalignment) {
storeInFreedChunks(pLeftBound, static_cast<size_t>(misalignment), freedChunks);
pLeftBound += misalignment;
}
ptrReturn = pLeftBound;
pLeftBound += sizeToAllocate;
}
} else {
const uint64_t pStart = pRightBound - sizeToAllocate;
const uint64_t misalignment = pStart - alignDown(pStart, alignment);
if (pLeftBound + sizeToAllocate + misalignment <= pRightBound) {
if (misalignment) {
pRightBound -= misalignment;
storeInFreedChunks(pRightBound, static_cast<size_t>(misalignment), freedChunks);
}
pRightBound -= sizeToAllocate;
ptrReturn = pRightBound;
if (sizeToAllocate > sizeThreshold) {
const uint64_t misalignment = alignUp(pLeftBound, alignment) - pLeftBound;
if (pLeftBound + misalignment + sizeToAllocate <= pRightBound) {
if (misalignment) {
storeInFreedChunks(pLeftBound, static_cast<size_t>(misalignment), freedChunks);
pLeftBound += misalignment;
}
ptrReturn = pLeftBound;
pLeftBound += sizeToAllocate;
}
} else {
const uint64_t pStart = pRightBound - sizeToAllocate;
const uint64_t misalignment = pStart - alignDown(pStart, alignment);
if (pLeftBound + sizeToAllocate + misalignment <= pRightBound) {
if (misalignment) {
pRightBound -= misalignment;
storeInFreedChunks(pRightBound, static_cast<size_t>(misalignment), freedChunks);
}
pRightBound -= sizeToAllocate;
ptrReturn = pRightBound;
}
}
size_t sizeOfFreedChunk = 0;
if (ptrReturn == 0llu) {
ptrReturn = getFromFreedChunks(sizeToAllocate, freedChunks, sizeOfFreedChunk, alignment);
}
if (ptrReturn != 0llu) {