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
|
/*
* Copyright (C) 2019-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/device/sub_device.h"
#include "shared/source/debug_settings/debug_settings_manager.h"
#include "shared/source/device/root_device.h"
#include "shared/source/helpers/basic_math.h"
#include "shared/source/helpers/gfx_core_helper.h"
#include <iostream>
namespace NEO {
SubDevice::SubDevice(ExecutionEnvironment *executionEnvironment, uint32_t subDeviceIndex, Device &rootDevice)
: Device(executionEnvironment, rootDevice.getRootDeviceIndex()), rootDevice(static_cast<RootDevice &>(rootDevice)), subDeviceIndex(subDeviceIndex) {
UNRECOVERABLE_IF(rootDevice.isSubDevice());
deviceBitfield = 0;
deviceBitfield.set(subDeviceIndex);
}
SubDevice::SubDevice(ExecutionEnvironment *executionEnvironment, uint32_t subDeviceIndex, Device &rootDevice, aub_stream::EngineType engineType)
: SubDevice(executionEnvironment, subDeviceIndex, rootDevice) {
}
void SubDevice::incRefInternal() {
rootDevice.incRefInternal();
}
unique_ptr_if_unused<Device> SubDevice::decRefInternal() {
return rootDevice.decRefInternal();
}
uint32_t SubDevice::getSubDeviceIndex() const {
return subDeviceIndex;
}
NEO::SubDeviceIdsVec SubDevice::getSubDeviceIdsFromDevice(NEO::Device &device) {
NEO::SubDeviceIdsVec subDeviceIds;
if (device.getNumSubDevices() == 0) {
subDeviceIds.push_back(NEO::SubDevice::getSubDeviceId(device));
} else {
for (auto &subDevice : device.getSubDevices()) {
if (subDevice == nullptr) {
continue;
}
subDeviceIds.push_back(NEO::SubDevice::getSubDeviceId(*subDevice));
}
}
return subDeviceIds;
}
uint32_t SubDevice::getSubDeviceId(NEO::Device &device) {
if (!device.isSubDevice()) {
uint32_t deviceBitField = static_cast<uint32_t>(device.getDeviceBitfield().to_ulong());
if (device.getDeviceBitfield().count() > 1) {
deviceBitField &= ~deviceBitField + 1;
}
return Math::log2(deviceBitField);
}
return static_cast<NEO::SubDevice *>(&device)->getSubDeviceIndex();
}
Device *SubDevice::getRootDevice() const {
return &rootDevice;
}
} // namespace NEO
|
