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FastRandom benchmark

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This commit is contained in:
Pieter Wuille 2017-02-15 17:56:54 -08:00
parent c21cbe61c6
commit 663fbae777
1 changed files with 25 additions and 0 deletions
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25
src/bench/crypto_hash.cpp
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@ -7,6 +7,7 @@
#include "bench.h"
#include "bloom.h"
#include "hash.h"
#include "random.h"
#include "uint256.h"
#include "utiltime.h"
#include "crypto/ripemd160.h"
@ -69,6 +70,28 @@ static void SipHash_32b(benchmark::State& state)
}
}
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);
@ -76,3 +99,5 @@ BENCHMARK(SHA512);
BENCHMARK(SHA256_32b);
BENCHMARK(SipHash_32b);
BENCHMARK(FastRandom_32bit);
BENCHMARK(FastRandom_1bit);