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