intel/compute-runtime
1
0
Fork 0
mirror of https://github.com/intel/compute-runtime.git synced 2025-12-25 05:24:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

performance: Align host USM to 2MB

Browse Source 
Only on discrete devices and if size is greater than 2MB

Resolves: NEO-12652

Signed-off-by: Lukasz Jobczyk <lukasz.jobczyk@intel.com>
This commit is contained in:
Lukasz Jobczyk
2025-01-07 12:43:55 +00:00
committed by Compute-Runtime-Automation
parent f580de94ef
commit 983b46fbbb
2 changed files with 35 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
shared/source/memory_manager/unified_memory_manager.cpp
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2019-2024 Intel Corporation
* Copyright (C) 2019-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
@@ -16,6 +16,7 @@
#include "shared/source/helpers/api_specific_config.h"
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/helpers/memory_properties_helpers.h"
#include "shared/source/memory_manager/allocation_properties.h"
#include "shared/source/memory_manager/compression_selector.h"
@@ -261,7 +262,16 @@ void *SVMAllocsManager::createSVMAlloc(size_t size, const SvmAllocationPropertie
void *SVMAllocsManager::createHostUnifiedMemoryAllocation(size_t size,
const UnifiedMemoryProperties &memoryProperties) {
constexpr size_t pageSizeForAlignment = MemoryConstants::pageSize;
bool isDiscrete = false;
if (size >= MemoryConstants::pageSize2M) {
for (const auto rootDeviceIndex : memoryProperties.rootDeviceIndices) {
isDiscrete |= !this->memoryManager->peekExecutionEnvironment().rootDeviceEnvironments[rootDeviceIndex]->getHardwareInfo()->capabilityTable.isIntegratedDevice;
if (isDiscrete) {
break;
}
}
}
const size_t pageSizeForAlignment = isDiscrete ? MemoryConstants::pageSize2M : MemoryConstants::pageSize;
const size_t alignedSize = alignUp<size_t>(size, pageSizeForAlignment);
bool compressionEnabled = false;