faiss/c_api/gpu/DeviceUtils_c.h
Prabhat Roy f2f014de50 Added C API(GPU) to CMake and CircleCI (#1700)
Summary: Pull Request resolved: https://github.com/facebookresearch/faiss/pull/1700

Reviewed By: mdouze

Differential Revision: D26814446

Pulled By: beauby

fbshipit-source-id: 654e0297be929afd42bcfbaf790c5d87f04f5193
2021-03-04 05:04:00 -08:00

39 lines
860 B
C

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
// Copyright 2004-present Facebook. All Rights Reserved.
// -*- c -*-
#ifndef FAISS_DEVICE_UTILS_C_H
#define FAISS_DEVICE_UTILS_C_H
#include <cublas.h>
#include <cuda_runtime_api.h>
#include "../faiss_c.h"
#ifdef __cplusplus
extern "C" {
#endif
/// Returns the number of available GPU devices
int faiss_get_num_gpus(int* p_output);
/// Starts the CUDA profiler (exposed via SWIG)
int faiss_gpu_profiler_start();
/// Stops the CUDA profiler (exposed via SWIG)
int faiss_gpu_profiler_stop();
/// Synchronizes the CPU against all devices (equivalent to
/// cudaDeviceSynchronize for each device)
int faiss_gpu_sync_all_devices();
#ifdef __cplusplus
}
#endif
#endif