Faiss

- Main Page
- Namespaces
- Classes
- Files

- File List

All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends
GpuResources.cpp
1 /**
2 * Copyright (c) 2015-present, Facebook, Inc.
3 * All rights reserved.
4 *
5 * This source code is licensed under the BSD+Patents license found in the
6 * LICENSE file in the root directory of this source tree.
7 */
8
9 // Copyright 2004-present Facebook. All Rights Reserved.
10
11 #include "GpuResources.h"
12 #include "utils/DeviceUtils.h"
13
14 namespace faiss { namespace gpu {
15
16 GpuResources::~GpuResources() {
17 }
18
19 cublasHandle_t
20 GpuResources::getBlasHandleCurrentDevice() {
21 return getBlasHandle(getCurrentDevice());
22 }
23
24 cudaStream_t
25 GpuResources::getDefaultStreamCurrentDevice() {
26 return getDefaultStream(getCurrentDevice());
27 }
28
29 std::vector<cudaStream_t>
30 GpuResources::getAlternateStreamsCurrentDevice() {
31 return getAlternateStreams(getCurrentDevice());
32 }
33
34 DeviceMemory&
35 GpuResources::getMemoryManagerCurrentDevice() {
36 return getMemoryManager(getCurrentDevice());
37 }
38
39 cudaStream_t
40 GpuResources::getAsyncCopyStreamCurrentDevice() {
41 return getAsyncCopyStream(getCurrentDevice());
42 }
43
44 void
45 GpuResources::syncDefaultStream(int device) {
46 CUDA_VERIFY(cudaStreamSynchronize(getDefaultStream(device)));
47 }
48
49 void
50 GpuResources::syncDefaultStreamCurrentDevice() {
51 syncDefaultStream(getCurrentDevice());
52 }
53
54 } } // namespace
faiss::gpu::GpuResources::getDefaultStreamCurrentDevice
cudaStream_t getDefaultStreamCurrentDevice()
Calls getDefaultStream with the current device.
Definition: GpuResources.cpp:25
faiss::gpu::GpuResources::getBlasHandle
virtual cublasHandle_t getBlasHandle(int device)=0
Returns the cuBLAS handle that we use for the given device.
faiss::gpu::GpuResources::getDefaultStream
virtual cudaStream_t getDefaultStream(int device)=0
faiss::gpu::GpuResources::getBlasHandleCurrentDevice
cublasHandle_t getBlasHandleCurrentDevice()
Calls getBlasHandle with the current device.
Definition: GpuResources.cpp:20
faiss::gpu::GpuResources::getMemoryManagerCurrentDevice
DeviceMemory & getMemoryManagerCurrentDevice()
Calls getMemoryManager for the current device.
Definition: GpuResources.cpp:35
faiss::gpu::GpuResources::syncDefaultStreamCurrentDevice
void syncDefaultStreamCurrentDevice()
Calls syncDefaultStream for the current device.
Definition: GpuResources.cpp:50
faiss::gpu::GpuResources::getAsyncCopyStreamCurrentDevice
cudaStream_t getAsyncCopyStreamCurrentDevice()
Calls getAsyncCopyStream for the current device.
Definition: GpuResources.cpp:40
faiss::gpu::GpuResources::getAlternateStreamsCurrentDevice
std::vector< cudaStream_t > getAlternateStreamsCurrentDevice()
Calls getAlternateStreams for the current device.
Definition: GpuResources.cpp:30
faiss::gpu::GpuResources::getAsyncCopyStream
virtual cudaStream_t getAsyncCopyStream(int device)=0
Returns the stream on which we perform async CPU &lt;-&gt; GPU copies.
faiss::gpu::GpuResources::syncDefaultStream
void syncDefaultStream(int device)
Definition: GpuResources.cpp:45
faiss::gpu::GpuResources::getMemoryManager
virtual DeviceMemory & getMemoryManager(int device)=0
Returns the temporary memory manager for the given device.
faiss::gpu::DeviceMemory
Manages temporary memory allocations on a GPU device.
Definition: DeviceMemory.h:46
faiss::gpu::GpuResources::getAlternateStreams
virtual std::vector< cudaStream_t > getAlternateStreams(int device)=0
Returns the set of alternative streams that we use for the given device.