/**
Runs a benchmark.
It runs it a couple of times just to warm everything up, and then
does num_trials iterations of the benchmark for time.
*/
void SimpleBenchmarkRunner::run(Benchmark &bench) {
bench.setup();
// Warm up.
bench.run_iteration();
bench.run_iteration();
bench.finish_iteration();
// okay, now for time.
uint64_t start1 = nanotime();
for(int i = 0; i < mNumTrials; ++i) {
bench.finish_iteration();
}
uint64_t stop1 = nanotime();
uint64_t start2 = nanotime();
for(int i = 0; i < mNumTrials; ++i) {
bench.run_iteration();
bench.finish_iteration();
}
uint64_t stop2 = nanotime();
mTotalTime = (stop2 - start2) - (stop1 - start1);
bench.cleanup();
}
void AdvancedBenchmarkRunner::run(Benchmark &bench) {
mTrials.clear();
bench.setup();
// Warm up.
bench.run_iteration();
bench.run_iteration();
bench.finish_iteration();
// okay, now for time.
for(int i = 0; i < mNumTrials; ++i) {
auto start = nanotime();
bench.run_iteration();
auto stop = nanotime();
bench.finish_iteration();
mTrials.push_back(stop - start);
}
bench.cleanup();
}
