BookGPU/Chapters/chapter17/code/collem_launcher.java

   1 public void run() {
   2                 newArrivalsKernel.setArguments(worldMem, patchesPopulationsMem, patchesOwnersMem, plotsPopulationsMem, plotsSurfacesMem);
   3                 reproduceKernel.setArguments(worldMem, patchesPopulationsMem, patchesOwnersMem, plotsPopulationsMem);
   4                 diffuseKernel.setArguments(worldMem, patchesPopulationsMem, patchesOverflowsMem, newPopulationsMem);
   5                 deathKernel.setArguments(worldMem, patchesPopulationsMem, patchesTypesMem);
   6
   7                 OCLEvent newArrivalFinished, reproduceFinished, diffuseFinished, copyFinished, deathFinished;
   8
   9                 int i = 1;
  10
  11                 OCLChrono totalTime = new OCLChrono("totalTime");
  12                 totalTime.start();
  13
  14                 while (true) {
  15                         newArrivalFinished = enqueueKernel(newArrivalsKernel);
  16                         reproduceFinished = enqueueKernel(reproduceKernel, newArrivalFinished);
  17                         diffuseFinished = enqueueKernel(diffuseKernel, reproduceFinished);
  18                         copyFinished = queue.enqueueCopyBuffer(newPopulationsMem, patchesPopulationsMem, 0L, 0L, patchesPopulationsMem.getSize(), diffuseFinished);
  19                         OCLEvent.waitFor(copyFinished);
  20                         deathFinished = enqueueKernel(deathKernel, copyFinished);
  21
  22                         queue.blockingReadBuffer(plotsPopulationsMem, Pointer.to(plotsPopulations), 0, plotsPopulationsMem.getSize(), deathFinished);
  23                         queue.blockingReadBuffer(patchesPopulationsMem, Pointer.to(patchesPopulations), 0, patchesPopulationsMem.getSize(), deathFinished);
  24                         queue.blockingReadBuffer(patchesOverflowsMem, Pointer.to(patchesOverflows), 0, patchesOverflowsMem.getSize(), deathFinished);
  25
  26                         i++;
  27
  28                         if (i == 100) break;
  29                 }
  30