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| /* | ||
| * Copyright (c) 2023, NVIDIA CORPORATION. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| #pragma once | ||
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| #include "detail/ivf_flat_serialize.cuh" | ||
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| namespace raft::neighbors::ivf_flat { | ||
|
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| /** | ||
| * \defgroup ivf_flat_serialize IVF-Flat Serialize | ||
| * @{ | ||
| */ | ||
|
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| /** | ||
| * Write the index to an output stream | ||
| * | ||
| * Experimental, both the API and the serialization format are subject to change. | ||
| * | ||
| * @code{.cpp} | ||
| * #include <raft/core/device_resources.hpp> | ||
| * | ||
| * raft::device_resources handle; | ||
| * | ||
| * // create an output stream | ||
| * std::ostream os(std::cout.rdbuf()); | ||
| * // create an index with `auto index = ivf_flat::build(...);` | ||
| * raft::serialize(handle, os, index); | ||
| * @endcode | ||
| * | ||
| * @tparam T data element type | ||
| * @tparam IdxT type of the indices | ||
| * | ||
| * @param[in] handle the raft handle | ||
| * @param[in] os output stream | ||
| * @param[in] index IVF-Flat index | ||
| * | ||
| * @return raft::neighbors::ivf_flat::index<T, IdxT> | ||
| */ | ||
| template <typename T, typename IdxT> | ||
| void serialize(raft::device_resources const& handle, std::ostream& os, const index<T, IdxT>& index) | ||
| { | ||
| detail::serialize(handle, os, index); | ||
| } | ||
|
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| /** | ||
| * Save the index to file. | ||
| * | ||
| * Experimental, both the API and the serialization format are subject to change. | ||
| * | ||
| * @code{.cpp} | ||
| * #include <raft/core/device_resources.hpp> | ||
| * | ||
| * raft::device_resources handle; | ||
| * | ||
| * // create a string with a filepath | ||
| * std::string filename("/path/to/index"); | ||
| * // create an index with `auto index = ivf_flat::build(...);` | ||
| * raft::serialize(handle, filename, index); | ||
| * @endcode | ||
| * | ||
| * @tparam T data element type | ||
| * @tparam IdxT type of the indices | ||
| * | ||
| * @param[in] handle the raft handle | ||
| * @param[in] filename the file name for saving the index | ||
| * @param[in] index IVF-Flat index | ||
| * | ||
| * @return raft::neighbors::ivf_flat::index<T, IdxT> | ||
| */ | ||
| template <typename T, typename IdxT> | ||
| void serialize(raft::device_resources const& handle, | ||
| const std::string& filename, | ||
| const index<T, IdxT>& index) | ||
| { | ||
| detail::serialize(handle, filename, index); | ||
| } | ||
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| /** | ||
| * Load index from input stream | ||
| * | ||
| * Experimental, both the API and the serialization format are subject to change. | ||
| * | ||
| * @code{.cpp} | ||
| * #include <raft/core/device_resources.hpp> | ||
| * | ||
| * raft::device_resources handle; | ||
| * | ||
| * // create an input stream | ||
| * std::istream is(std::cin.rdbuf()); | ||
| * using T = float; // data element type | ||
| * using IdxT = int; // type of the index | ||
| * auto index = raft::deserialize<T, IdxT>(handle, is); | ||
| * @endcode | ||
| * | ||
| * @tparam T data element type | ||
| * @tparam IdxT type of the indices | ||
| * | ||
| * @param[in] handle the raft handle | ||
| * @param[in] is input stream | ||
| * | ||
| * @return raft::neighbors::ivf_flat::index<T, IdxT> | ||
| */ | ||
| template <typename T, typename IdxT> | ||
| index<T, IdxT> deserialize(raft::device_resources const& handle, std::istream& is) | ||
| { | ||
| return detail::deserialize<T, IdxT>(handle, is); | ||
| } | ||
|
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| /** | ||
| * Load index from file. | ||
| * | ||
| * Experimental, both the API and the serialization format are subject to change. | ||
| * | ||
| * @code{.cpp} | ||
| * #include <raft/core/device_resources.hpp> | ||
| * | ||
| * raft::device_resources handle; | ||
| * | ||
| * // create a string with a filepath | ||
| * std::string filename("/path/to/index"); | ||
| * using T = float; // data element type | ||
| * using IdxT = int; // type of the index | ||
| * auto index = raft::deserialize<T, IdxT>(handle, filename); | ||
| * @endcode | ||
| * | ||
| * @tparam T data element type | ||
| * @tparam IdxT type of the indices | ||
| * | ||
| * @param[in] handle the raft handle | ||
| * @param[in] filename the name of the file that stores the index | ||
| * | ||
| * @return raft::neighbors::ivf_flat::index<T, IdxT> | ||
| */ | ||
| template <typename T, typename IdxT> | ||
| index<T, IdxT> deserialize(raft::device_resources const& handle, const std::string& filename) | ||
| { | ||
| return detail::deserialize<T, IdxT>(handle, filename); | ||
| } | ||
|
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| /**@}*/ | ||
|
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| } // namespace raft::neighbors::ivf_flat |
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