/// <summary>
/// Executes the benchmarks.
/// </summary>
/// <param name="numOfThreads">The num of threads.</param>
/// <param name="benchmarkType">Type of the benchmark.</param>
/// <param name="constructorParameters">The constructor parameters.</param>
/// <returns></returns>
private static BenchmarkBase[] ExecuteBenchmarks(int numOfThreads, Type benchmarkType, params object[] constructorParameters) {
BenchmarkBase[] benchmarks = new BenchmarkBase[numOfThreads];
//Create threads
Mutex mutex = new Mutex(true, Settings.MUTEX_NAME);
#if THREADS
Thread[] tasks = new Thread[numOfThreads];
#else
Task[] tasks = new Task[numOfThreads];
#endif
for (int i = 0; i < numOfThreads; i++) {
benchmarks[i] = Activator.CreateInstance(benchmarkType, constructorParameters) as BenchmarkBase;
#if THREADS
tasks[i] = new Thread(new ThreadStart(benchmarks[i].ExecuteBenchmark));
#else
tasks[i] = new Task(new Action(benchmarks[i].ExecuteBenchmark));
#endif
tasks[i].Start();
}
//Start nechmark execution
mutex.ReleaseMutex();
mutex.Dispose();
//Wait for threads to complete execution
#if THREADS
while (tasks.Any(t => t.IsAlive)) { }
#else
while (tasks.Any(t => !t.IsCompleted)) { }
#endif
return benchmarks;
}
/// <summary>
/// Appends the data table.
/// </summary>
/// <param name="table">The table.</param>
/// <param name="benchmark">The benchmark.</param>
private void AppendDataTable(DataTable data, string serverName, int run, BenchmarkBase benchmark)
{
if (benchmark.GetType() == typeof(CompositeQueries)) {
AppendDataTable(data, serverName, run, ((CompositeQueries)benchmark).SimpleQuery);
AppendDataTable(data, serverName, run, ((CompositeQueries)benchmark).FilterQuery);
AppendDataTable(data, serverName, run, ((CompositeQueries)benchmark).TagCountMapReduce);
AppendDataTable(data, serverName, run, ((CompositeQueries)benchmark).CommentAuthorMapReduce);
}
else {
DataRow row = data.NewRow();
row["Server"] = serverName;
row["Run"] = run;
row["Type"] = benchmark.Type;
row["Time (seconds)"] = benchmark.Time.ElapsedMilliseconds / 1000.0;
data.Rows.Add(row);
}
}
