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FastRandom benchmark

This commit is contained in:
Pieter Wuille 2017-02-15 17:56:54 -08:00 committed by Jack Grigg
parent 2070adad85
commit 8f23ab088d
1 changed files with 26 additions and 0 deletions
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26
src/bench/crypto_hash.cpp
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@ -6,6 +6,7 @@
#include "bench.h"
#include "bloom.h"
#include "random.h"
#include "utiltime.h"
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
@ -47,7 +48,32 @@ static void SHA512(benchmark::State& state)
CSHA512().Write(begin_ptr(in), in.size()).Finalize(hash);
}
static void FastRandom_32bit(benchmark::State& state)
{
FastRandomContext rng(true);
uint32_t x;
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;
while (state.KeepRunning()) {
for (int i = 0; i < 1000000; i++) {
x += rng.randbool();
}
}
}
BENCHMARK(RIPEMD160);
BENCHMARK(SHA1);
BENCHMARK(SHA256);
BENCHMARK(SHA512);
BENCHMARK(FastRandom_32bit);
BENCHMARK(FastRandom_1bit);