public void TestPerformanceBatchSize(Tuple<int, int, int, int> testCase)
{
var total = (long) testCase.Item1*(testCase.Item1 + 1)/2*testCase.Item2;
using (var journal = new Journal(TestDirectory, batchSize: testCase.Item4))
{
var addingElapsedByThreadId = new ConcurrentDictionary<long, List<TimeSpan>>();
Parallel.For(1, testCase.Item1 + 1, new ParallelOptions
{
MaxDegreeOfParallelism = testCase.Item3
}, value =>
{
var addingElapsed = StopWatchUtil.Measure(() =>
{
var tasks =
Enumerable.Range(1, testCase.Item2)
.Select(_ => { return journal.AddAsync(new Transaction(Operation.Deposit, value)); })
.ToArray();
Task.WaitAll(tasks);
});
addingElapsedByThreadId.AddOrUpdate(
Thread.CurrentThread.ManagedThreadId,
key => { return new List<TimeSpan> {addingElapsed}; },
(key, list) =>
{
list.Add(addingElapsed);
return list;
});
});
var computingElapsed =
StopWatchUtil.Measure(() => { Assert.AreEqual(total, TransactionsHelper.ComputeTotal(journal)); });
using (
var fileStream =
new FileStream(
Path.Combine(TestContext.CurrentContext.TestDirectory,
GetType().FullName + ".txt"), FileMode.Append))
{
using (var streamWriter = new StreamWriter(fileStream))
{
streamWriter.WriteLine("***" + testCase + "***");
streamWriter.WriteLine("timestamp=" + DateTimeOffset.UtcNow);
streamWriter.WriteLine("threads=" + addingElapsedByThreadId.Keys.Count);
streamWriter.WriteLine("addingMS=" +
addingElapsedByThreadId.Values.Sum(
v => v.Sum(timeSpan => timeSpan.TotalMilliseconds)));
streamWriter.WriteLine("computingMS=" + computingElapsed.TotalMilliseconds);
journal.DumpStatistic(streamWriter.WriteLine);
}
}
}
}
