int nthreads, delaylength, innerreps;
double times[20 +1], reftime, refsd;
double btest[19683];
double atest[19683];
#pragma omp threadprivate (btest)
   void refer();
   void testfirstprivnew();
   void testprivnew();
   void testthrprivnew();
   void stats(double*, double*);