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bench: Add crypto hash benchmarks
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Add benchmarks for the cryptographic hash algorithms:

- RIPEMD160
- SHA1
- SHA256
- SHA512

Continues work on bitcoin#7883.
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laanwj committed May 11, 2016
1 parent 373b50d commit 32114dd
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Showing 2 changed files with 55 additions and 1 deletion.
3 changes: 2 additions & 1 deletion src/Makefile.bench.include
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,8 @@ bench_bench_bitcoin_SOURCES = \
bench/bench.cpp \
bench/bench.h \
bench/Examples.cpp \
bench/rollingbloom.cpp
bench/rollingbloom.cpp \
bench/crypto_hash.cpp

bench_bench_bitcoin_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(EVENT_CLFAGS) $(EVENT_PTHREADS_CFLAGS) -I$(builddir)/bench/
bench_bench_bitcoin_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
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53 changes: 53 additions & 0 deletions src/bench/crypto_hash.cpp
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@@ -0,0 +1,53 @@
// 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 "utiltime.h"
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
#include "crypto/sha512.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(begin_ptr(in), 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(begin_ptr(in), 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(begin_ptr(in), in.size()).Finalize(hash);
}

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(begin_ptr(in), in.size()).Finalize(hash);
}

BENCHMARK(RIPEMD160);
BENCHMARK(SHA1);
BENCHMARK(SHA256);
BENCHMARK(SHA512);

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