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AutoTune_c.h
/**
* 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 -*-
#ifndef FAISS_AUTO_TUNE_C_H
#define FAISS_AUTO_TUNE_C_H
#include "faiss_c.h"
#include "Index_c.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Build and index with the sequence of processing steps described in
* the string.
*/
int faiss_index_factory(FaissIndex** p_index, int d, const char* description, FaissMetricType metric);
/// possible values of a parameter, sorted from least to most expensive/accurate
FAISS_DECLARE_CLASS(ParameterRange)
FAISS_DECLARE_GETTER(ParameterRange, const char*, name)
/// Getter for the values in the range. The output values are invalidated
/// upon any other modification of the range.
void faiss_ParameterRange_values(FaissParameterRange*, double**, size_t*);
/** Uses a-priori knowledge on the Faiss indexes to extract tunable parameters.
*/
FAISS_DECLARE_CLASS(ParameterSpace)
/// Parameter space default constructor
int faiss_ParameterSpace_new(FaissParameterSpace** space);
/// nb of combinations, = product of values sizes
size_t faiss_ParameterSpace_n_combinations(const FaissParameterSpace*);
/// get string representation of the combination
/// by writing it to the given character buffer.
/// A buffer size of 1000 ensures that the full name is collected.
int faiss_ParameterSpace_combination_name(const FaissParameterSpace*, size_t, char*, size_t);
/// set a combination of parameters described by a string
int faiss_ParameterSpace_set_index_parameters(const FaissParameterSpace*, FaissIndex*, const char *);
/// set a combination of parameters on an index
int faiss_ParameterSpace_set_index_parameters_cno(const FaissParameterSpace*, FaissIndex*, size_t);
/// set one of the parameters
int faiss_ParameterSpace_set_index_parameter(const FaissParameterSpace*, FaissIndex*, const char *, double);
/// print a description on stdout
void faiss_ParameterSpace_display(const FaissParameterSpace*);
/// add a new parameter (or return it if it exists)
int faiss_ParameterSpace_add_range(FaissParameterSpace*, const char*, FaissParameterRange**);
#ifdef __cplusplus
}
#endif
#endif