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Merge #8111: Benchmark SipHash

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619d569 Benchmark SipHash (Pieter Wuille)
This commit is contained in:
Wladimir J. van der Laan 2016-05-30 12:35:16 +02:00
commit 61b86848b1
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1 changed files with 25 additions and 0 deletions
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25
src/bench/crypto_hash.cpp
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@ -6,6 +6,8 @@
#include "bench.h"
#include "bloom.h"
#include "hash.h"
#include "uint256.h"
#include "utiltime.h"
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
@ -39,6 +41,16 @@ static void SHA256(benchmark::State& state)
CSHA256().Write(begin_ptr(in), 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(begin_ptr(in), in.size()).Finalize(&in[0]);
}
}
}
static void SHA512(benchmark::State& state)
{
uint8_t hash[CSHA512::OUTPUT_SIZE];
@ -47,7 +59,20 @@ static void SHA512(benchmark::State& state)
CSHA512().Write(begin_ptr(in), 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);
}
}
}
BENCHMARK(RIPEMD160);
BENCHMARK(SHA1);
BENCHMARK(SHA256);
BENCHMARK(SHA512);
BENCHMARK(SHA256_32b);
BENCHMARK(SipHash_32b);