Charm++ parallel programming system

[Tom Quinn <trq AT astro.washington.edu>]

In ChaNGa, we have a "loop" that looks like the following:

void TreePiece::nextBucketSmooth(dummyMsg *msg){

  smoothNextBucket();
  currentBucket++;

  if (currentBucket<numBuckets) {    // Queue up the next set
    thisProxy[thisIndex].nextBucketSmooth(msg);
  } else {
    delete msg;
  }
}

The point of sending a message to itself is to allow other entries to 
execute.  The obvious problem with this loop is that it generates a ton of 
projection events.  Is CthYield() a better way to do this?  Is there a way 
of detecting whether the current PE has messages waiting in the execution 
queue?

Tom Quinn       Astronomy, University of Washington
Internet:       
trq AT astro.washington.edu
Phone:          206-685-9009