61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
|
|
* 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 -*-
|
|
|
|
#ifndef FAISS_STANDARD_GPURESOURCES_C_H
|
|
#define FAISS_STANDARD_GPURESOURCES_C_H
|
|
|
|
#include <cuda_runtime_api.h>
|
|
#include "../faiss_c.h"
|
|
#include "GpuResources_c.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/// Default implementation of GpuResourcesProvider that allocates a cuBLAS
|
|
/// stream and 2 streams for use, as well as temporary memory
|
|
FAISS_DECLARE_CLASS_INHERITED(StandardGpuResources, GpuResourcesProvider)
|
|
|
|
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);
|
|
|
|
/// 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
|