// big_mem.java  determine size of biggest matrix

public class big_mem
{
  int n = 11200;
  double A[][] = new double[n][n];

  big_mem()
  {
    System.out.println("big_mem.java running, n="+n);
    for(int i=0; i<n/100; i++)
    {
      for(int j=0; j<n/100; j++)
      {
	A[100*i][100*j] = 0.0;
      }
    }
    System.out.println("allocated and used "+(8*n*n)+" bytes");
  } // end constructor big_mem

  static public void main(String[] args)
  {
    new big_mem();
  } // end main
} // end class big_mem 
//
// results printed when run:
// "
// big_mem.java running, n=11200
// allocated and used 1003520000 bytes
// "
// n=16000 if java -Xms2046m -Xmx2047m