fea4e9eca5
dd777f3e12Remove unused variable (practicalswift)cdf4089457Remove redundant assignments (dead stores) (practicalswift) Pull request description: Remove redundant assignments (dead stores). Tree-SHA512: e852059b22a161c34a0f18a6a6ed798e2b35e6d2b9f23c526af0ec33e01f6a5bb1fa5ada6671ba183d7b02393ff0d397be5aa4b4e2edbd5e604c9a76ac48d249
105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
// Copyright (c) 2016-2018 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <iostream>
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#include <bench/bench.h>
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#include <bloom.h>
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#include <hash.h>
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#include <random.h>
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#include <uint256.h>
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#include <utiltime.h>
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#include <crypto/ripemd160.h>
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#include <crypto/sha1.h>
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#include <crypto/sha256.h>
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#include <crypto/sha512.h>
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/* Number of bytes to hash per iteration */
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static const uint64_t BUFFER_SIZE = 1000*1000;
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static void RIPEMD160(benchmark::State& state)
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{
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uint8_t hash[CRIPEMD160::OUTPUT_SIZE];
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std::vector<uint8_t> in(BUFFER_SIZE,0);
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while (state.KeepRunning())
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CRIPEMD160().Write(in.data(), in.size()).Finalize(hash);
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}
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static void SHA1(benchmark::State& state)
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{
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uint8_t hash[CSHA1::OUTPUT_SIZE];
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std::vector<uint8_t> in(BUFFER_SIZE,0);
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while (state.KeepRunning())
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CSHA1().Write(in.data(), in.size()).Finalize(hash);
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}
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static void SHA256(benchmark::State& state)
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{
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uint8_t hash[CSHA256::OUTPUT_SIZE];
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std::vector<uint8_t> in(BUFFER_SIZE,0);
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while (state.KeepRunning())
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CSHA256().Write(in.data(), in.size()).Finalize(hash);
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}
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static void SHA256_32b(benchmark::State& state)
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{
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std::vector<uint8_t> in(32,0);
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while (state.KeepRunning()) {
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CSHA256()
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.Write(in.data(), in.size())
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.Finalize(in.data());
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}
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}
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static void SHA256D64_1024(benchmark::State& state)
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{
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std::vector<uint8_t> in(64 * 1024, 0);
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while (state.KeepRunning()) {
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SHA256D64(in.data(), in.data(), 1024);
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}
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}
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static void SHA512(benchmark::State& state)
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{
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uint8_t hash[CSHA512::OUTPUT_SIZE];
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std::vector<uint8_t> in(BUFFER_SIZE,0);
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while (state.KeepRunning())
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CSHA512().Write(in.data(), in.size()).Finalize(hash);
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}
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static void SipHash_32b(benchmark::State& state)
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{
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uint256 x;
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uint64_t k1 = 0;
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while (state.KeepRunning()) {
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*((uint64_t*)x.begin()) = SipHashUint256(0, ++k1, x);
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}
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}
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static void FastRandom_32bit(benchmark::State& state)
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{
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FastRandomContext rng(true);
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while (state.KeepRunning()) {
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rng.rand32();
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}
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}
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static void FastRandom_1bit(benchmark::State& state)
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{
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FastRandomContext rng(true);
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while (state.KeepRunning()) {
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rng.randbool();
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}
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}
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BENCHMARK(RIPEMD160, 440);
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BENCHMARK(SHA1, 570);
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BENCHMARK(SHA256, 340);
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BENCHMARK(SHA512, 330);
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BENCHMARK(SHA256_32b, 4700 * 1000);
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BENCHMARK(SipHash_32b, 40 * 1000 * 1000);
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BENCHMARK(SHA256D64_1024, 7400);
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BENCHMARK(FastRandom_32bit, 110 * 1000 * 1000);
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BENCHMARK(FastRandom_1bit, 440 * 1000 * 1000);
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