//[TestMethod]
public void CompareCachedPerformance()
{
var dt = AllType.GetTableCached();
const int reps = 10000;
CachedDaliPerformanceParallel(1); // JIT
CachedRawPerformance(1); // JIT
var sw = Stopwatch.StartNew();
CachedDaliPerformanceParallel(reps);
sw.Stop();
Console.WriteLine("DaLi parallel cached (" + reps + "): " + sw.ElapsedMilliseconds.ToString());
sw.Reset();
sw.Start();
CachedDaliPerformance(reps);
sw.Stop();
Console.WriteLine("DaLi cached (" + reps + "): " + sw.ElapsedMilliseconds.ToString());
sw.Reset();
sw.Start();
CachedDaliPerformanceList(reps);
sw.Stop();
Console.WriteLine("DaLi cached list (" + reps + "): " + sw.ElapsedMilliseconds.ToString());
sw.Reset();
sw.Start();
CachedRawPerformance(reps);
sw.Stop();
Console.WriteLine("Raw implementation cached (" + reps + "): " + sw.ElapsedMilliseconds.ToString());
}
private void CachedDaliPerformance(int repeats)
{
var dt = AllType.GetTableCached();
for (int i = 0; i < repeats; i++)
{
foreach (DataRow dr in dt.Rows)
{
AllType inst = new AllType();
inst.Fill(dr);
}
}
}
private void CachedDaliPerformanceParallel(int repeats)
{
var dt = AllType.GetTableCached();
for (int i = 0; i < repeats; i++)
{
var instances = dt.Rows.Cast <DataRow>()
.AsParallel()
.AsOrdered()
.Select(dr => { AllType result = new AllType(); result.Fill(dr); return(result); });
instances.ToList();
}
}
