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e8c07717fc
* Add xxhasher * Move fnv1a, siphash, spookyto hash/ * Move hash_append, uhash to hash/ * Move hash_speed_test to hash/ * Move hash classes to individual header files * Remove hardened_hash
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#if BEAST_INCLUDE_BEASTCONFIG
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#include <BeastConfig.h>
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#endif
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#include <beast/container/fnv1a.h>
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#include <beast/container/siphash.h>
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#include <beast/container/xxhasher.h>
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#include <beast/random/rngfill.h>
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#include <beast/random/xor_shift_engine.h>
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#include <beast/unit_test/suite.h>
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#include <array>
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#include <chrono>
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#include <cstdint>
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#include <cstring>
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#include <iomanip>
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#include <random>
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namespace beast {
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class hash_speed_test : public beast::unit_test::suite
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{
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public:
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using clock_type =
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std::chrono::high_resolution_clock;
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template <class Hasher, std::size_t KeySize>
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void
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test (std::string const& what, std::size_t n)
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{
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using namespace std;
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using namespace std::chrono;
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xor_shift_engine g(1);
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array<std::uint8_t, KeySize> key;
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auto const start = clock_type::now();
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while(n--)
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{
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rngfill (key, g);
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Hasher h;
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h.append(key.data(), KeySize);
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volatile size_t temp =
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static_cast<std::size_t>(h);
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(void)temp;
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}
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auto const elapsed = clock_type::now() - start;
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log << setw(12) << what << " " <<
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duration<double>(elapsed) << "s";
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}
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void
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run()
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{
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enum
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{
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N = 100000000
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};
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#if ! BEAST_NO_XXHASH
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test<xxhasher,32> ("xxhash", N);
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#endif
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test<fnv1a,32> ("fnv1a", N);
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test<siphash,32> ("siphash", N);
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pass();
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}
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};
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BEAST_DEFINE_TESTSUITE_MANUAL(hash_speed,container,beast);
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} // beast
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