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GpuAutoTune_c.cpp
/**
* 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++ -*-
#include "GpuAutoTune_c.h"
#include "macros_impl.h"
#include "Index.h"
#include "gpu/GpuAutoTune.h"
#include "gpu/GpuClonerOptions.h"
using faiss::Index;
using faiss::gpu::GpuResources;
using faiss::gpu::GpuClonerOptions;
int faiss_index_gpu_to_cpu(const FaissIndex* gpu_index, FaissIndex** p_out) {
try {
auto cpu_index = faiss::gpu::index_gpu_to_cpu(
reinterpret_cast<const Index*>(gpu_index)
);
*p_out = reinterpret_cast<FaissIndex*>(cpu_index);
} CATCH_AND_HANDLE
}
/// converts any CPU index that can be converted to GPU
int faiss_index_cpu_to_gpu(FaissGpuResources* resources, int device, const FaissIndex *index, FaissGpuIndex** p_out) {
try {
auto res = reinterpret_cast<GpuResources*>(resources);
auto gpu_index = faiss::gpu::index_cpu_to_gpu(
res, device, reinterpret_cast<const Index*>(index)
);
*p_out = reinterpret_cast<FaissGpuIndex*>(gpu_index);
} CATCH_AND_HANDLE
}
int faiss_index_cpu_to_gpu_with_options(
FaissGpuResources* resources, int device,
const FaissIndex *index, const FaissGpuClonerOptions* options,
FaissGpuIndex** p_out)
{
try {
auto res = reinterpret_cast<GpuResources*>(resources);
auto gpu_index = faiss::gpu::index_cpu_to_gpu(
res, device, reinterpret_cast<const Index*>(index),
reinterpret_cast<const GpuClonerOptions*>(options));
*p_out = reinterpret_cast<FaissGpuIndex*>(gpu_index);
} CATCH_AND_HANDLE
}
faiss::gpu::GpuClonerOptions
set some options on how to copy to GPU
Definition: GpuClonerOptions.h:16
faiss::gpu::GpuResources
Definition: GpuResources.h:22
faiss::Index
Definition: Index.h:62