zcashd/src/bench/Examples.cpp

36 lines
833 B
C++

// Copyright (c) 2015 The Bitcoin Core developers
// Copyright (c) 2020-2023 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://www.opensource.org/licenses/mit-license.php .
#include "bench.h"
#include "main.h"
#include "util/time.h"
// Sanity test: this should loop ten times, and
// min/max/average should be close to 100ms.
static void Sleep100ms(benchmark::State& state)
{
while (state.KeepRunning()) {
MilliSleep(100);
}
}
BENCHMARK(Sleep100ms);
// Extremely fast-running benchmark:
#include <math.h>
volatile double sum = 0.0; // volatile, global so not optimized away
static void Trig(benchmark::State& state)
{
double d = 0.01;
while (state.KeepRunning()) {
sum += sin(d);
d += 0.000001;
}
}
BENCHMARK(Trig);