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68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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/*
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* Hash benchmark module
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* Part of the xxHash project
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* Copyright (C) 2019-2020 Yann Collet
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*
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* GPL v2 License
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can contact the author at:
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* - xxHash homepage: https://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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/*
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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,
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* 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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