internal virtual void WorkLoop(Intracommunicator comm)
{
startTime = DateTime.Now;
Console.WriteLine("Starting worker {0} ", comm.Rank);
var timer = new Stopwatch();
int partitionHeight = info.SourceImage.Height / comm.Size;
int partitionY = partitionHeight * comm.Rank;
for (int i = 0; i < info.Settings.PolygonsMax; i++)
{
var polygon = new DnaPolygon();
parentDrawing.Polygons.Add(polygon);
polygon.Init(parentDrawing, info);
//foreach (DnaPoint p in polygon.Points)
//{
// p.Y = partitionY + partitionHeight / 2;
//}
}
int waitTimer = 0;
while (true)
{
if (comm.Rank == 0)
{
NotifyProgress(generation);
}
timer.Reset();
timer.Start();
while (timer.ElapsedMilliseconds < waitTimer)
{
var currentDrawing = parentDrawing.GetMutatedChild(info);
var currentErrorLevel = GetFitnessForDrawing(currentDrawing);
if (currentErrorLevel < parentErrorLevel)
{
parentErrorLevel = currentErrorLevel;
parentDrawing = currentDrawing;
}
}
if (waitTimer < 6000)
{
waitTimer += 500;
}
timer.Stop();
generation++;
var drawingInfo = new MpiWorkerDrawingInfo
{
Drawing = parentDrawing
};
// Stopwatch swSync = new Stopwatch();
// swSync.Start();
MpiWorkerDrawingInfo[] allResults = comm.Allgather(drawingInfo);
if (bgImage != null)
{
bgImage.Dispose();
}
bgImage = new Bitmap(info.SourceImage.Width, info.SourceImage.Height,
PixelFormat.Format32bppArgb);
var bgGraphics = Graphics.FromImage(bgImage);
bgGraphics.Clear(Color.Black);
bgGraphics.SmoothingMode = SmoothingMode.HighQuality;
for (int i = 0; i < comm.Rank; i++)
{
Renderer.Render(allResults[i].Drawing, bgGraphics, 1);
}
if (fgImage != null)
{
fgImage.Dispose();
}
fgImage = new Bitmap(info.SourceImage.Width, info.SourceImage.Height,
PixelFormat.Format32bppArgb);
var fgGraphics = Graphics.FromImage(fgImage);
fgGraphics.Clear(Color.Transparent);
fgGraphics.SmoothingMode = SmoothingMode.HighQuality;
for (int i = comm.Rank + 1; i < comm.Size; i++)
{
Renderer.Render(allResults[i].Drawing, fgGraphics, 1);
}
fgGraphics.Dispose();
bgGraphics.Dispose();
//recalc the new parent error level
parentErrorLevel = GetFitnessForDrawing(parentDrawing);
// swSync.Stop();
// Console.WriteLine("sync {0}", swSync.Elapsed);
}
}
