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