VM.assert(which < rendezvousIn[0].length);
VM._assert(which < rendezvousIn[0].length);
  double rendezvousRecord(double start, double end) throws VM_PragmaUninterruptible {    int myProcessorId = VM_Processor.getCurrentProcessorId();    int which = rendezvousCount[myProcessorId]++;    VM.assert(which < rendezvousIn[0].length);    rendezvousIn[myProcessorId][which]  = (int)((start - rendezvousStartTime)*1000000);    rendezvousOut[myProcessorId][which] = (int)((end - rendezvousStartTime)*1000000);    return end - start;  }