public void AsyncLocalPerfTest()
{
var values = Enumerable.Range(1, 50000).Select(n => new GenericParameterHelper(n)).ToArray();
var creates = Stopwatch.StartNew();
for (int i = 0; i < values.Length; i++)
{
this.asyncLocal = new Microsoft.VisualStudio.Threading.AsyncLocal <GenericParameterHelper>();
}
creates.Stop();
var writes = Stopwatch.StartNew();
for (int i = 0; i < values.Length; i++)
{
this.asyncLocal.Value = values[0];
}
writes.Stop();
var reads = Stopwatch.StartNew();
for (int i = 0; i < values.Length; i++)
{
var value = this.asyncLocal.Value;
}
reads.Stop();
// We don't actually validate the perf here. We just print out the results.
this.Logger.WriteLine("Creating {0} instances took {1} ms", values.Length, creates.ElapsedMilliseconds);
this.Logger.WriteLine("Saving {0} values took {1} ms", values.Length, writes.ElapsedMilliseconds);
this.Logger.WriteLine("Reading {0} values took {1} ms", values.Length, reads.ElapsedMilliseconds);
}
public AsyncLocalTests(ITestOutputHelper logger)
: base(logger)
{
this.asyncLocal = new Microsoft.VisualStudio.Threading.AsyncLocal <GenericParameterHelper>();
}