48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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// Copyright 2004-present Facebook. All Rights Reserved.
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// -*- c++ -*-
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#include "DeviceUtils_c.h"
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#include <faiss/gpu/utils/DeviceUtils.h>
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#include "macros_impl.h"
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/// Returns the number of available GPU devices
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int faiss_get_num_gpus(int* p_output) {
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try {
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int output = faiss::gpu::getNumDevices();
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*p_output = output;
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}
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CATCH_AND_HANDLE
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}
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/// Starts the CUDA profiler (exposed via SWIG)
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int faiss_gpu_profiler_start() {
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try {
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faiss::gpu::profilerStart();
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}
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CATCH_AND_HANDLE
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}
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/// Stops the CUDA profiler (exposed via SWIG)
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int faiss_gpu_profiler_stop() {
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try {
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faiss::gpu::profilerStop();
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}
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CATCH_AND_HANDLE
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}
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/// Synchronizes the CPU against all devices (equivalent to
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/// cudaDeviceSynchronize for each device)
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int faiss_gpu_sync_all_devices() {
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try {
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faiss::gpu::synchronizeAllDevices();
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}
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CATCH_AND_HANDLE
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}
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