Robust/src/Benchmarks/Prefetch/Moldyn/dsm/JGFMolDynBenchSizeA.java

   1 /**************************************************************************
   2  *                                                                         *
   3  *         Java Grande Forum Benchmark Suite - Thread Version 1.0          *
   4  *                                                                         *
   5  *                            produced by                                  *
   6  *                                                                         *
   7  *                  Java Grande Benchmarking Project                       *
   8  *                                                                         *
   9  *                                at                                       *
  10  *                                                                         *
  11  *                Edinburgh Parallel Computing Centre                      *
  12  *                                                                         *
  13  *                email: epcc-javagrande@epcc.ed.ac.uk                     *
  14  *                                                                         *
  15  *                                                                         *
  16  *      This version copyright (c) The University of Edinburgh, 2001.      *
  17  *                         All rights reserved.                            *
  18  *                                                                         *
  19  **************************************************************************/
  20 public class JGFMolDynBenchSizeA {
  21
  22     public static void main(String argv[]){
  23     int nthreads;
  24     if(argv.length != 0 ) {
  25       nthreads = Integer.parseInt(argv[0]);
  26     } else {
  27       System.printString("The no of threads has not been specified, defaulting to 1\n");
  28       System.printString("  " + "\n");
  29       nthreads = 1;
  30     }
  31
  32     JGFInstrumentor instr = new JGFInstrumentor();
  33     JGFInstrumentor.printHeader(3,0,nthreads);
  34
  35     JGFMolDynBench mold;
  36     atomic {
  37       mold = global new JGFMolDynBench(nthreads);
  38     }
  39     int size = 0;
  40     JGFInstrumentor.addTimer("Section3:MolDyn:Total", "Solutions",size, instr.timers);
  41     JGFInstrumentor.addTimer("Section3:MolDyn:Run", "Interactions",size, instr.timers);
  42
  43     atomic {
  44       mold.JGFsetsize(size);
  45     }
  46
  47     JGFInstrumentor.startTimer("Section3:MolDyn:Total", instr.timers);
  48
  49     JGFMolDynBench tmp;
  50     atomic {
  51       mold.JGFinitialise();
  52     }
  53     JGFMolDynBench.JGFapplication(mold);
  54
  55     /* Validate data */
  56     double[] refval = new double[2];
  57     refval[0] = 1731.4306625334357;
  58     refval[1] = 7397.392307839352;
  59     double dval;
  60     atomic {
  61       dval = mold.ek[0];
  62     }
  63     double dev = Math.fabs(dval - refval[size]);
  64     long l = (long) refval[size] *1000000;
  65     long r = (long) dval * 1000000;
  66     if (l != r ){
  67       System.printString("Validation failed\n");
  68       System.printString("Kinetic Energy = " + (long)dval + "  " + (long)dev + "  " + size + "\n");
  69     }
  70
  71     JGFInstrumentor.stopTimer("Section3:MolDyn:Total", instr.timers);
  72     double interactions;
  73     atomic {
  74       interactions = mold.interactions;
  75     }
  76
  77     JGFInstrumentor.addOpsToTimer("Section3:MolDyn:Run", (double) interactions, instr.timers);
  78     JGFInstrumentor.addOpsToTimer("Section3:MolDyn:Total", 1, instr.timers);
  79
  80     JGFInstrumentor.printTimer("Section3:MolDyn:Run", instr.timers);
  81     JGFInstrumentor.printTimer("Section3:MolDyn:Total", instr.timers);
  82   }
  83 }
  84