private static DiffResult DoBenchmark(IGeometryDiff differ, DiffData payload)
{
var patch = RunWithTimer(CreatePatch, differ, payload, null);
var forward = RunWithTimer(ApplyPatch, differ, payload, patch.Data);
var reverse = RunWithTimer(UndoPatch, differ, payload, patch.Data);
return(new DiffResult()
{
CreateTime = patch.Time,
ApplyTime = forward.Time,
UndoTime = reverse.Time,
PatchSize = patch.Data.Length,
ForwardCorrect = Equals(forward.Data, payload.NewGeom),
UndoCorrect = Equals(reverse.Data, payload.OldGeom),
CreateError = patch.Error,
ApplyError = forward.Error,
UnddoError = reverse.Error
});
}
private static Result <TResult> RunWithTimer <TResult>(Func <IGeometryDiff,
DiffData, byte[], TResult> method, IGeometryDiff differ, DiffData payload, byte[] patch)
{
var stopwatch = new Stopwatch();
/*Process.GetCurrentProcess().ProcessorAffinity =
* new IntPtr(2); // Uses the second Core or Processor for the Test
* Process.GetCurrentProcess().PriorityClass =
* ProcessPriorityClass.High; // Prevents "Normal" processes // from interrupting Threads
* Thread.CurrentThread.Priority =
* ThreadPriority.Highest; // Prevents "Normal" Threads from interrupting this thread
*/
try
{
double time = 0;
var data = default(TResult);
for (var i = 0; i < 2; i++)
{
stopwatch.Reset();
stopwatch.Start();
data = method(differ, payload, patch);
stopwatch.Stop();
if (i > 0)
{
time = stopwatch.Elapsed.TotalMilliseconds;
}
}
//var mean = Mean(res);
// var stDev = StDev(res, mean);
//return new Result<TResult>() {Stats = new Stats() {Mean = mean, StDev = stDev}, Data = data};
return(new Result <TResult>()
{
Time = time, Data = data
});
}
catch (Exception e)
{
return(new Result <TResult>()
{
Error = e.Message
});
}
}
private static IGeometry UndoPatch(IGeometryDiff differ, DiffData payload, byte[] patch) => differ.UndoPatch(payload.NewGeom, patch);
private static IGeometry ApplyPatch(IGeometryDiff differ, DiffData payload, byte[] patch) => differ.ApplyPatch(payload.OldGeom, patch);
private static byte[] CreatePatch(IGeometryDiff differ, DiffData payload, byte[] patch) => differ.CreatePatch(payload.OldGeom, payload.NewGeom);
