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/*
* List hash algorithms to benchmark
* Part of xxHash project
* Copyright (C) 2019-2020 Yann Collet
*
* GPL v2 License
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* You can contact the author at:
* - xxHash homepage: https://www.xxhash.com
* - xxHash source repository: https://github.com/Cyan4973/xxHash
*/
/* === Dependencies === */
#include <stddef.h> /* size_t */
/* ==================================================
* Non-portable hash algorithms
* =============================================== */
#ifdef HARDWARE_SUPPORT
/*
* List any hash algorithms that depend on specific hardware support,
* including for example:
* - Hardware crc32c
* - Hardware AES support
* - Carryless Multipliers (clmul)
* - AVX2
*/
#endif
/* ==================================================
* List of hashes
* ==================================================
* Each hash must be wrapped in a thin redirector conformant with the BMK_benchfn_t.
* BMK_benchfn_t is generic, not specifically designed for hashes.
* For hashes, the following parameters are expected to be useless:
* dst, dstCapacity, customPayload.
*
* The result of each hash is assumed to be provided as function return value.
* This condition is important for latency measurements.
*/
/* === xxHash === */
#define XXH_INLINE_ALL
#include "xxhash.h"
size_t XXH32_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
{
(void)dst; (void)dstCapacity; (void)customPayload;
return (size_t) XXH32(src, srcSize, 0);
}
size_t XXH64_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
{
(void)dst; (void)dstCapacity; (void)customPayload;
return (size_t) XXH64(src, srcSize, 0);
}
size_t xxh3_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
{
(void)dst; (void)dstCapacity; (void)customPayload;
return (size_t) XXH3_64bits(src, srcSize);
}
size_t XXH128_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
{
(void)dst; (void)dstCapacity; (void)customPayload;
return (size_t) XXH3_128bits(src, srcSize).low64;
}
/* ==================================================
* Table of hashes
* =============================================== */
#include "bhDisplay.h" /* Bench_Entry */
#ifndef HARDWARE_SUPPORT
# define NB_HASHES 4
#else
# define NB_HASHES 4
#endif
Bench_Entry const hashCandidates[NB_HASHES] = {
{ "xxh3" , xxh3_wrapper },
{ "XXH32" , XXH32_wrapper },
{ "XXH64" , XXH64_wrapper },
{ "XXH128", XXH128_wrapper },
#ifdef HARDWARE_SUPPORT
/* list here codecs which require specific hardware support, such SSE4.1, PCLMUL, AVX2, etc. */
#endif
};
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