1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* Copyright (C) 2021-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/linux/memory_info.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/execution_environment/root_device_environment.h"
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/os_interface/linux/drm_neo.h"
#include "shared/source/os_interface/linux/numa_library.h"
#include "shared/source/os_interface/product_helper.h"
#include <algorithm>
#include <iostream>
namespace NEO {
MemoryInfo::MemoryInfo(const RegionContainer ®ionInfo, const Drm &inputDrm)
: drm(inputDrm), drmQueryRegions(regionInfo), systemMemoryRegion(drmQueryRegions[0]) {
auto ioctlHelper = drm.getIoctlHelper();
const auto memoryClassSystem = ioctlHelper->getDrmParamValue(DrmParam::memoryClassSystem);
const auto memoryClassDevice = ioctlHelper->getDrmParamValue(DrmParam::memoryClassDevice);
UNRECOVERABLE_IF(this->systemMemoryRegion.region.memoryClass != memoryClassSystem);
std::ranges::copy_if(drmQueryRegions, std::back_inserter(localMemoryRegions),
[memoryClassDevice](const MemoryRegion &memoryRegionInfo) {
return (memoryRegionInfo.region.memoryClass == memoryClassDevice);
});
smallBarDetected = std::ranges::any_of(localMemoryRegions,
[](const MemoryRegion ®ion) {
return (region.cpuVisibleSize && region.cpuVisibleSize < region.probedSize);
});
populateTileToLocalMemoryRegionIndexMap();
memPolicySupported = false;
if (debugManager.flags.EnableHostAllocationMemPolicy.get()) {
memPolicySupported = Linux::NumaLibrary::init();
}
memPolicyMode = debugManager.flags.OverrideHostAllocationMemPolicyMode.get();
}
void MemoryInfo::assignRegionsFromDistances(const std::vector<DistanceInfo> &distances) {
localMemoryRegions.clear();
uint32_t memoryRegionCounter = 1;
uint32_t tile = 0;
for (size_t i = 0; i < distances.size(); i++) {
if (i > 0 && distances[i].region.memoryInstance != distances[i - 1].region.memoryInstance) {
UNRECOVERABLE_IF(distances[i].distance == 0);
memoryRegionCounter++;
tile++;
}
if ((distances[i].distance != 0) || (localMemoryRegions.size() == (tile + 1))) {
continue;
}
UNRECOVERABLE_IF((drmQueryRegions[memoryRegionCounter].region.memoryClass != distances[i].region.memoryClass) ||
(drmQueryRegions[memoryRegionCounter].region.memoryInstance != distances[i].region.memoryInstance));
localMemoryRegions.push_back(drmQueryRegions[memoryRegionCounter]);
}
}
int MemoryInfo::createGemExt(const MemRegionsVec &memClassInstances, size_t allocSize, uint32_t &handle, uint64_t patIndex, std::optional<uint32_t> vmId, int32_t pairHandle, bool isChunked, uint32_t numOfChunks, bool isUSMHostAllocation) {
std::vector<unsigned long> memPolicyNodeMask;
int mode = -1;
auto &productHelper = this->drm.getRootDeviceEnvironment().getHelper<ProductHelper>();
auto isCoherent = productHelper.isCoherentAllocation(patIndex);
if (memPolicySupported &&
isUSMHostAllocation &&
Linux::NumaLibrary::getMemPolicy(&mode, memPolicyNodeMask)) {
if (memPolicyMode != -1) {
mode = memPolicyMode;
}
return this->drm.getIoctlHelper()->createGemExt(memClassInstances, allocSize, handle, patIndex, vmId, pairHandle, isChunked, numOfChunks, mode, memPolicyNodeMask, isCoherent);
} else {
return this->drm.getIoctlHelper()->createGemExt(memClassInstances, allocSize, handle, patIndex, vmId, pairHandle, isChunked, numOfChunks, std::nullopt, std::nullopt, isCoherent);
}
}
uint32_t MemoryInfo::getLocalMemoryRegionIndex(DeviceBitfield deviceBitfield) const {
UNRECOVERABLE_IF(deviceBitfield.count() != 1u);
auto &hwInfo = *this->drm.getRootDeviceEnvironment().getHardwareInfo();
auto &gfxCoreHelper = this->drm.getRootDeviceEnvironment().getHelper<GfxCoreHelper>();
auto &productHelper = this->drm.getRootDeviceEnvironment().getHelper<ProductHelper>();
bool bankOverrideRequired{gfxCoreHelper.isBankOverrideRequired(hwInfo, productHelper)};
uint32_t tileIndex{bankOverrideRequired ? 0u : Math::log2(static_cast<uint64_t>(deviceBitfield.to_ulong()))};
if (debugManager.flags.OverrideDrmRegion.get() != -1) {
tileIndex = debugManager.flags.OverrideDrmRegion.get();
}
UNRECOVERABLE_IF(tileIndex >= tileToLocalMemoryRegionIndexMap.size());
return tileToLocalMemoryRegionIndexMap[tileIndex];
}
uint64_t MemoryInfo::getLocalMemoryRegionSize(uint32_t tileIndex) const {
UNRECOVERABLE_IF(tileIndex >= tileToLocalMemoryRegionIndexMap.size());
const auto regionIndex{tileToLocalMemoryRegionIndexMap[tileIndex]};
return localMemoryRegions[regionIndex].probedSize;
}
MemoryClassInstance MemoryInfo::getMemoryRegionClassAndInstance(DeviceBitfield deviceBitfield, const HardwareInfo &hwInfo) {
auto &gfxCoreHelper = this->drm.getRootDeviceEnvironment().getHelper<GfxCoreHelper>();
if (!gfxCoreHelper.getEnableLocalMemory(hwInfo)) {
deviceBitfield = 0u;
}
return getMemoryRegion(deviceBitfield).region;
}
const MemoryRegion &MemoryInfo::getMemoryRegion(DeviceBitfield deviceBitfield) const {
if (deviceBitfield.count() == 0) {
return systemMemoryRegion;
}
auto index = getLocalMemoryRegionIndex(deviceBitfield);
UNRECOVERABLE_IF(index >= localMemoryRegions.size());
return localMemoryRegions[index];
}
size_t MemoryInfo::getMemoryRegionSize(uint32_t memoryBank) const {
if (debugManager.flags.PrintMemoryRegionSizes.get()) {
printRegionSizes();
}
return getMemoryRegion(memoryBank).probedSize;
}
void MemoryInfo::printRegionSizes() const {
for (auto ®ion : drmQueryRegions) {
std::cout << "Memory type: " << region.region.memoryClass
<< ", memory instance: " << region.region.memoryInstance
<< ", region size: " << region.probedSize << std::endl;
}
}
int MemoryInfo::createGemExtWithSingleRegion(DeviceBitfield memoryBanks, size_t allocSize, uint32_t &handle, uint64_t patIndex, int32_t pairHandle, bool isUSMHostAllocation) {
auto pHwInfo = this->drm.getRootDeviceEnvironment().getHardwareInfo();
auto regionClassAndInstance = getMemoryRegionClassAndInstance(memoryBanks, *pHwInfo);
MemRegionsVec region = {regionClassAndInstance};
std::optional<uint32_t> vmId;
if (!this->drm.isPerContextVMRequired()) {
if (memoryBanks.count() && debugManager.flags.EnablePrivateBO.get()) {
auto tileIndex = getLocalMemoryRegionIndex(memoryBanks);
vmId = this->drm.getVirtualMemoryAddressSpace(tileIndex);
}
}
uint32_t numOfChunks = 0;
auto ret = createGemExt(region, allocSize, handle, patIndex, vmId, pairHandle, false, numOfChunks, isUSMHostAllocation);
return ret;
}
int MemoryInfo::createGemExtWithMultipleRegions(DeviceBitfield memoryBanks, size_t allocSize, uint32_t &handle, uint64_t patIndex, bool isUSMHostAllocation) {
auto pHwInfo = this->drm.getRootDeviceEnvironment().getHardwareInfo();
auto banks = std::bitset<4>(memoryBanks);
MemRegionsVec memRegions{};
size_t currentBank = 0;
size_t i = 0;
while (i < banks.count()) {
if (banks.test(currentBank)) {
auto regionClassAndInstance = getMemoryRegionClassAndInstance(1u << currentBank, *pHwInfo);
memRegions.push_back(regionClassAndInstance);
i++;
}
currentBank++;
}
uint32_t numOfChunks = 0;
auto ret = createGemExt(memRegions, allocSize, handle, patIndex, {}, -1, false, numOfChunks, isUSMHostAllocation);
return ret;
}
int MemoryInfo::createGemExtWithMultipleRegions(DeviceBitfield memoryBanks, size_t allocSize, uint32_t &handle, uint64_t patIndex, int32_t pairHandle, bool isChunked, uint32_t numOfChunks, bool isUSMHostAllocation) {
auto pHwInfo = this->drm.getRootDeviceEnvironment().getHardwareInfo();
MemRegionsVec memRegions{};
size_t currentBank = 0;
size_t i = 0;
while (i < memoryBanks.count()) {
if (memoryBanks.test(currentBank)) {
auto regionClassAndInstance = getMemoryRegionClassAndInstance(1u << currentBank, *pHwInfo);
memRegions.push_back(regionClassAndInstance);
i++;
}
currentBank++;
}
auto ret = createGemExt(memRegions, allocSize, handle, patIndex, {}, pairHandle, isChunked, numOfChunks, isUSMHostAllocation);
return ret;
}
} // namespace NEO
|
