128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
/*
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* List hash algorithms to benchmark
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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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/* === Dependencies === */
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#include <stddef.h> /* size_t */
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/* ==================================================
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* Non-portable hash algorithms
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* =============================================== */
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#ifdef HARDWARE_SUPPORT
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/* list here hash algorithms depending on specific hardware support,
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* including for example :
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* - Hardware crc32c
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* - Hardware AES support
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* - Carryless Multipliers (clmul)
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* - AVX2
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*/
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#endif
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/* ==================================================
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* List of hashes
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* =============================================== */
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/* Each hash must be wrapped in a thin redirector conformant with the BMK_benchfn_t.
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* BMK_benchfn_t is generic, not specifically designed for hashes.
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* For hashes, the following parameters are expected to be useless :
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* dst, dstCapacity, customPayload.
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*
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* The result of each hash is assumed to be provided as function return value.
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* This condition is important for latency measurements.
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*/
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/* === xxHash === */
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#include "xxh3.h"
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size_t XXH32_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
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{
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(void)dst; (void)dstCapacity; (void)customPayload;
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return (size_t) XXH32(src, srcSize, 0);
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}
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size_t XXH64_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
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{
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(void)dst; (void)dstCapacity; (void)customPayload;
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return (size_t) XXH64(src, srcSize, 0);
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}
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size_t xxh3_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
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{
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(void)dst; (void)dstCapacity; (void)customPayload;
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return (size_t) XXH3_64bits(src, srcSize);
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}
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size_t XXH128_wrapper(const void* src, size_t srcSize, void* dst, size_t dstCapacity, void* customPayload)
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{
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(void)dst; (void)dstCapacity; (void)customPayload;
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return (size_t) XXH3_128bits(src, srcSize).low64;
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}
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/* ==================================================
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* Table of hashes
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* =============================================== */
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#include "bhDisplay.h" /* Bench_Entry */
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#ifndef HARDWARE_SUPPORT
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# define NB_HASHES 4
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#else
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# define NB_HASHES 4
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#endif
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Bench_Entry const hashCandidates[NB_HASHES] = {
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{ "xxh3" , xxh3_wrapper },
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{ "XXH32" , XXH32_wrapper },
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{ "XXH64" , XXH64_wrapper },
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{ "XXH128", XXH128_wrapper },
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#ifdef HARDWARE_SUPPORT
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/* list here codecs which require specific hardware support, such SSE4.1, PCLMUL, AVX2, etc. */
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#endif
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};
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