private static ValueTuple <int, int> RunBenchmark(int sourceLength, int subCollectionLength)
{
const int N = 100000;
var source = Enumerable.Range(1, sourceLength).ToArray();
var subCollection = Enumerable.Range(1, subCollectionLength).ToArray(); // This gets repeated `sourceLength` times.
var iterator = source.SelectMany(_ => subCollection);
return(Benchmarker.Bench(state =>
{
for (int i = 0; i < N; i++)
{
state.ToArray();
}
}, iterator));
}
public static void Main()
{
var writer = new PerfDataWriter();
var message = new MessageBuilder();
Benchmarker.Run(new[] { 1, 2, 3, 5, 8, 13 }, sourceLength =>
{
Benchmarker.Run(new[] { 1, 2, 3, 5, 8, 13, 21, 34 }, subCollectionLength =>
{
var results = Enumerable.Range(1, 5).Select(_ => RunBenchmark(sourceLength, subCollectionLength));
message["SourceLength"] = sourceLength;
message["SubCollectionLength"] = subCollectionLength;
writer.WriteHeader(message.ToStringAndClear());
writer.WriteTimesAndGcs(results);
});
});
}