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StandardGpuResources_c.h
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD+Patents license found in the
* LICENSE file in the root directory of this source tree.
*/
// Copyright 2004-present Facebook. All Rights Reserved.
// -*- c -*-
#ifndef FAISS_STANDARD_GPURESOURCES_C_H
#define FAISS_STANDARD_GPURESOURCES_C_H
#include <cuda_runtime_api.h>
#include "faiss_c.h"
#include "gpu/GpuResources_c.h"
#ifdef __cplusplus
extern "C" {
#endif
/// Default implementation of GpuResources that allocates a cuBLAS
/// stream and 2 streams for use, as well as temporary memory
FAISS_DECLARE_CLASS_INHERITED(StandardGpuResources, GpuResources)
FAISS_DECLARE_DESTRUCTOR(StandardGpuResources)
/// Default constructor for StandardGpuResources
int faiss_StandardGpuResources_new(FaissStandardGpuResources**);
/// Disable allocation of temporary memory; all temporary memory
/// requests will call cudaMalloc / cudaFree at the point of use
int faiss_StandardGpuResources_noTempMemory(FaissStandardGpuResources*);
/// Specify that we wish to use a certain fixed size of memory on
/// all devices as temporary memory
int faiss_StandardGpuResources_setTempMemory(FaissStandardGpuResources*, size_t size);
/// Specify that we wish to use a certain fraction of memory on
/// all devices as temporary memory
int faiss_StandardGpuResources_setTempMemoryFraction(FaissStandardGpuResources*, float fraction);
/// Set amount of pinned memory to allocate, for async GPU <-> CPU
/// transfers
int faiss_StandardGpuResources_setPinnedMemory(FaissStandardGpuResources*, size_t size);
/// Called to change the stream for work ordering
int faiss_StandardGpuResources_setDefaultStream(FaissStandardGpuResources*, int device, cudaStream_t stream);
/// Called to change the work ordering streams to the null stream
/// for all devices
int faiss_StandardGpuResources_setDefaultNullStreamAllDevices(FaissStandardGpuResources*);
#ifdef __cplusplus
}
#endif
#endif