75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*
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* Hash benchmark module
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* Part of xxHash project
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* Copyright (C) 2019-present, Yann Collet
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*
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* BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You can contact the author at :
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* - xxHash homepage: http://www.xxhash.com
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* - xxHash source repository : https://github.com/Cyan4973/xxHash
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*/
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#ifndef BENCH_HASH_H_983426678
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#define BENCH_HASH_H_983426678
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* === Dependencies === */
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#include "benchfn.h" /* BMK_benchFn_t */
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/* === Declarations === */
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typedef enum { BMK_throughput, BMK_latency } BMK_benchMode;
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typedef enum { BMK_fixedSize, /* hash always `size` bytes */
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BMK_randomSize, /* hash a random nb of bytes, between 1 and `size` (inclusive) */
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} BMK_sizeMode;
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/* bench_hash() :
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* returns speed expressed as nb hashes per second.
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* total_time_ms : time spent benchmarking the hash function with given parameters
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* iter_time_ms : time spent for one round. If multiple rounds are run, bench_hash() will report the speed of best round.
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*/
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double bench_hash(BMK_benchFn_t hashfn,
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BMK_benchMode benchMode,
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size_t size, BMK_sizeMode sizeMode,
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unsigned total_time_ms, unsigned iter_time_ms);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* BENCH_HASH_H_983426678 */
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