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crypto_hash.cpp
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crypto_hash.cpp
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// Copyright (c) 2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <iostream>
#include "bench.h"
#include "bloom.h"
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
#include "crypto/sha512.h"
#include "hash.h"
#include "random.h"
#include "uint256.h"
#include "utiltime.h"
/* Number of bytes to hash per iteration */
static const uint64_t BUFFER_SIZE = 1000 * 1000;
static void RIPEMD160(benchmark::State &state) {
uint8_t hash[CRIPEMD160::OUTPUT_SIZE];
std::vector<uint8_t> in(BUFFER_SIZE, 0);
while (state.KeepRunning())
CRIPEMD160().Write(in.data(), in.size()).Finalize(hash);
}
static void SHA1(benchmark::State &state) {
uint8_t hash[CSHA1::OUTPUT_SIZE];
std::vector<uint8_t> in(BUFFER_SIZE, 0);
while (state.KeepRunning())
CSHA1().Write(in.data(), in.size()).Finalize(hash);
}
static void SHA256(benchmark::State &state) {
uint8_t hash[CSHA256::OUTPUT_SIZE];
std::vector<uint8_t> in(BUFFER_SIZE, 0);
while (state.KeepRunning())
CSHA256().Write(in.data(), in.size()).Finalize(hash);
}
static void SHA256_32b(benchmark::State &state) {
std::vector<uint8_t> in(32, 0);
while (state.KeepRunning()) {
for (int i = 0; i < 1000000; i++) {
CSHA256().Write(in.data(), in.size()).Finalize(&in[0]);
}
}
}
static void SHA512(benchmark::State &state) {
uint8_t hash[CSHA512::OUTPUT_SIZE];
std::vector<uint8_t> in(BUFFER_SIZE, 0);
while (state.KeepRunning())
CSHA512().Write(in.data(), in.size()).Finalize(hash);
}
static void SipHash_32b(benchmark::State &state) {
uint256 x;
while (state.KeepRunning()) {
for (int i = 0; i < 1000000; i++) {
*((uint64_t *)x.begin()) = SipHashUint256(0, i, x);
}
}
}
static void FastRandom_32bit(benchmark::State &state) {
FastRandomContext rng(true);
uint32_t x = 0;
while (state.KeepRunning()) {
for (int i = 0; i < 1000000; i++) {
x += rng.rand32();
}
}
}
static void FastRandom_1bit(benchmark::State &state) {
FastRandomContext rng(true);
uint32_t x = 0;
while (state.KeepRunning()) {
for (int i = 0; i < 1000000; i++) {
x += rng.randbool();
}
}
}
BENCHMARK(RIPEMD160);
BENCHMARK(SHA1);
BENCHMARK(SHA256);
BENCHMARK(SHA512);
BENCHMARK(SHA256_32b);
BENCHMARK(SipHash_32b);
BENCHMARK(FastRandom_32bit);
BENCHMARK(FastRandom_1bit);

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crypto_hash.cpp (2 KB)

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