// Runs a single benchmark for at least a second and computes the
// average time it takes to run a single iteration.
public void RunSingleBenchmark(Benchmark benchmark)
{
bool doWarmup = benchmark.doWarmup;
bool doDeterministic = benchmark.doDeterministic;
// Sets up data in order to skip or not the warmup phase.
BenchmarkRunData data = new BenchmarkRunData(0, 0);
if (doWarmup)
{
Measure(data, doDeterministic);
data = new BenchmarkRunData(0, 0);
}
while (data.runs < benchmark.minIterations)
{
Measure(data, doDeterministic);
}
long usec = (data.elapsed * 1000) / data.runs;
this.NotifyStep(new BenchmarkResult(benchmark, usec));
}
public void Measure(BenchmarkRunData data, bool doDeterministic)
{
long elapsed = 0;
Stopwatch sw = new Stopwatch();
// Run either for 1 second or for the number of iterations specified
// by minIterations, depending on the config flag doDeterministic.
sw.Start();
int runs = 0;
for (int i = 0; (doDeterministic ?
i < benchmark.deterministicIterations : elapsed < 1000); i++)
{
benchmark.run();
elapsed = sw.ElapsedMilliseconds;
runs++;
}
if (data != null)
{
data.runs += runs;
data.elapsed += elapsed;
}
}