void ghostsFromRight(int width, double ghost_values[]) {
   for(int i=0;i<width;++i){
     temperature[i+1][block_width+1] = ghost_values[i];
   }
   messages_due--;
   check_and_compute();
 }
    // Perform one iteration of work
    // The first step is to send the local state to the neighbors
    void begin_iteration(void) {
      itercnt++;
      //ckout << "iter=" << itercnt << ":(" << thisIndex.x << "," << thisIndex.y << ") is on " << CkMyPe() << endl;
      // Copy left column and right column into temporary arrays
      double *left_edge = new double[block_height];
      double *right_edge = new double[block_height];

      for(int i=0;i<block_height;++i){
        left_edge[i] = temperature[i+1][1];
        right_edge[i] = temperature[i+1][block_width];
      }

      // Send my left edge
      thisProxy(wrap_x(thisIndex.x-1), thisIndex.y).ghostsFromRight(block_height, left_edge);
      // Send my right edge
      thisProxy(wrap_x(thisIndex.x+1), thisIndex.y).ghostsFromLeft(block_height, right_edge);
      // Send my top edge
      thisProxy(thisIndex.x, wrap_y(thisIndex.y-1)).ghostsFromBottom(block_width, &temperature[1][1]);
      // Send my bottom edge
      thisProxy(thisIndex.x, wrap_y(thisIndex.y+1)).ghostsFromTop(block_width, &temperature[block_height][1]);

      hasSent=true;
      check_and_compute();
      delete [] right_edge;
      delete [] left_edge;
    }
Beispiel #3
0
  // Perform one iteration of work
  // The first step is to send the local state to the neighbors
  void begin_iteration (int i)
  {
//printf("XXXXXXXXX Minor[%d] coming in begin_itertaion at time=%f\n",thisIndex,CkWallTimer());
    useLB = 1;
    iterations++;


    check_and_compute ();
  }
Beispiel #4
0
  // Perform one iteration of work
  // The first step is to send the local state to the neighbors
  void begin_iteration (int i)
  {
//printf("PROC#%d coming for Jacobi[%d] iteration=%d majElements=%d\n",CkMyPe(),thisIndex,iterations,majElements);
/*
if ( iterations %10 ==0 && useLB) {
printf("calling sync\n");
	useLB = 0;
        AtSync();
}
else
*/
    {
//printf("PROC#%din elsssssssssssssssssssssss\n",CkMyPe());
      useLB = 1;
      iterations++;


      check_and_compute ();
    }
  }