55 lines
1.8 KiB
C++
55 lines
1.8 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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#include "GpuAutoTune_c.h"
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#include "macros_impl.h"
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#include "Index.h"
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#include "gpu/GpuAutoTune.h"
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#include "gpu/GpuClonerOptions.h"
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using faiss::Index;
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using faiss::gpu::GpuResources;
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using faiss::gpu::GpuClonerOptions;
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int faiss_index_gpu_to_cpu(const FaissIndex* gpu_index, FaissIndex** p_out) {
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try {
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auto cpu_index = faiss::gpu::index_gpu_to_cpu(
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reinterpret_cast<const Index*>(gpu_index)
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);
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*p_out = reinterpret_cast<FaissIndex*>(cpu_index);
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} CATCH_AND_HANDLE
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}
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/// converts any CPU index that can be converted to GPU
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int faiss_index_cpu_to_gpu(FaissGpuResources* resources, int device, const FaissIndex *index, FaissGpuIndex** p_out) {
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try {
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auto res = reinterpret_cast<GpuResources*>(resources);
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auto gpu_index = faiss::gpu::index_cpu_to_gpu(
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res, device, reinterpret_cast<const Index*>(index)
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);
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*p_out = reinterpret_cast<FaissGpuIndex*>(gpu_index);
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} CATCH_AND_HANDLE
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}
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int faiss_index_cpu_to_gpu_with_options(
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FaissGpuResources* resources, int device,
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const FaissIndex *index, const FaissGpuClonerOptions* options,
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FaissGpuIndex** p_out)
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{
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try {
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auto res = reinterpret_cast<GpuResources*>(resources);
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auto gpu_index = faiss::gpu::index_cpu_to_gpu(
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res, device, reinterpret_cast<const Index*>(index),
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reinterpret_cast<const GpuClonerOptions*>(options));
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*p_out = reinterpret_cast<FaissGpuIndex*>(gpu_index);
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} CATCH_AND_HANDLE
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}
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