static int RunManually(AlgoManual algo) { const int iterations = 1000; for (int i = 0; i < iterations; i++) { algo.Run(); } // Console.WriteLine(algo.Data._499_1); return iterations; }
public static void Main() { Console.WriteLine("Warm up..."); var data = new Data(); var algoGraph = new AlgoGraph(data); RunWithGraph(algoGraph); data = new Data(); var algoManual = new AlgoManual(data); RunManually(algoManual); Console.WriteLine("Running tests..."); Stopwatch sw; int gc0; const int runs = 3; double sumGraphOpsPerSeconds = 0; for (int i = 0; i < runs; i++) { data = new Data(); algoGraph = new AlgoGraph(data); gc0 = GC.CollectionCount(0); sw = Stopwatch.StartNew(); var ops = RunWithGraph(algoGraph); var opsPerSecond = ops / sw.Elapsed.TotalSeconds; sumGraphOpsPerSeconds += opsPerSecond; Console.WriteLine("Run with graph: {0:F1}ops/sec, GC0: {1}", opsPerSecond, GC.CollectionCount(0) - gc0); } double sumManualOpsPerSeconds = 0; for (int i = 0; i < runs; i++) { data = new Data(); algoManual = new AlgoManual(data); gc0 = GC.CollectionCount(0); sw = Stopwatch.StartNew(); var ops = RunManually(algoManual); var opsPerSecond = ops / sw.Elapsed.TotalSeconds; sumManualOpsPerSeconds += opsPerSecond; Console.WriteLine("Run manually: {0:F1}ops/sec, GC0: {1}", opsPerSecond, GC.CollectionCount(0) - gc0); } Console.WriteLine(); Console.WriteLine("Graph is {0:F}x slower than manual code.", sumManualOpsPerSeconds / sumGraphOpsPerSeconds); Console.ReadKey(); }