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feature: Support for pStart

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Related-To: NEO-15156, GSD-9939

Support for start address hint in zeVirtualMemReserve.

If it fails to find pStart then it defaults to the base line
allocateWithCustomAlignment(...)

Signed-off-by: Chandio, Bibrak Qamar <bibrak.qamar.chandio@intel.com>
This commit is contained in:
Chandio, Bibrak Qamar
2025-08-01 23:43:17 +00:00
committed by Compute-Runtime-Automation
parent 841267ecbd
commit a50c0dbecf
26 changed files with 1257 additions and 183 deletions
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12
shared/source/utilities/heap_allocator.h
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2018-2024 Intel Corporation
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
@@ -44,6 +44,11 @@ class HeapAllocator {
return allocateWithCustomAlignment(sizeToAllocate, 0u);
}
uint64_t allocateWithStartAddressHint(const uint64_t requiredStartAddress, size_t &sizeToAllocate) {
return allocateWithCustomAlignmentWithStartAddressHint(requiredStartAddress, sizeToAllocate, 0u);
}
uint64_t allocateWithCustomAlignmentWithStartAddressHint(const uint64_t requiredStartAddress, size_t &sizeToAllocate, size_t alignment);
uint64_t allocateWithCustomAlignment(size_t &sizeToAllocate, size_t alignment);
MOCKABLE_VIRTUAL void free(uint64_t ptr, size_t size);
@@ -62,6 +67,10 @@ class HeapAllocator {
return this->baseAddress;
}
size_t getAllocationAlignment() const {
return this->allocationAlignment;
}
protected:
const uint64_t baseAddress;
const uint64_t size;
@@ -76,6 +85,7 @@ class HeapAllocator {
std::mutex mtx;
uint64_t getFromFreedChunks(size_t size, std::vector<HeapChunk> &freedChunks, size_t &sizeOfFreedChunk, size_t requiredAlignment);
MOCKABLE_VIRTUAL uint64_t getFromFreedChunksWithStartAddressHint(const uint64_t requiredStartAddress, size_t size, std::vector<HeapChunk> &freedChunks);
void storeInFreedChunks(uint64_t ptr, size_t size, std::vector<HeapChunk> &freedChunks) {
for (auto &freedChunk : freedChunks) {