trsm.c

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#include "bench.h"


#undef TRSM

#ifndef COMPLEX

#ifdef DOUBLE
#define TRSM   BLASFUNC(dtrsm)
#else
#define TRSM   BLASFUNC(strsm)
#endif

#else

#ifdef DOUBLE
#define TRSM   BLASFUNC(ztrsm)
#else
#define TRSM   BLASFUNC(ctrsm)
#endif

#endif

int main(int argc, char *argv[]){

  FLOAT *a, *b;
  FLOAT alpha[] = {1.0, 1.0};
  FLOAT beta [] = {1.0, 1.0};
  char *p;

  char side ='L';
  char uplo ='U';
  char trans='N';
  char diag ='U';


  int l;
  int loops = 1;
  double timeg;

  if ((p = getenv("OPENBLAS_SIDE"))) side=*p; 
  if ((p = getenv("OPENBLAS_UPLO"))) uplo=*p;
  if ((p = getenv("OPENBLAS_TRANS"))) trans=*p;
  if ((p = getenv("OPENBLAS_DIAG"))) diag=*p;

  p = getenv("OPENBLAS_LOOPS");
  if ( p != NULL )
        loops = atoi(p);


  blasint m, i, j;

  int from =   1;
  int to   = 200;
  int step =   1;

  double time1;

  argc--;argv++;

  if (argc > 0) { from     = atol(*argv);		argc--; argv++;}
  if (argc > 0) { to       = MAX(atol(*argv), from);	argc--; argv++;}
  if (argc > 0) { step     = atol(*argv);		argc--; argv++;}

  fprintf(stderr, "From : %3d  To : %3d Step = %3d Side = %c Uplo = %c Trans = %c Diag = %c Loops = %d\n", from, to, step,side,uplo,trans,diag,loops);

  if (( a = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
    fprintf(stderr,"Out of Memory!!\n");exit(1);
  }

  if (( b = (FLOAT *)malloc(sizeof(FLOAT) * to * to * COMPSIZE)) == NULL){
    fprintf(stderr,"Out of Memory!!\n");exit(1);
  }



#ifdef __linux
  srandom(getpid());
#endif

  fprintf(stderr, "   SIZE       Flops\n");

  for(m = from; m <= to; m += step)
  {

	timeg=0.0;

        fprintf(stderr, " %6d : ", (int)m);

	for (l=0; l<loops; l++)
    	{


   		 for(j = 0; j < m; j++){
      			for(i = 0; i < m * COMPSIZE; i++){
				a[(long)i + (long)j * (long)m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
				b[(long)i + (long)j * (long)m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5;
      		 	}
    		 }

    		begin();

    		TRSM (&side, &uplo, &trans, &diag, &m, &m, alpha, a, &m, b, &m);

    		end();

    		time1 = getsec();

		timeg += time1;
        }

	time1 = timeg/loops;

        fprintf(stderr, " %10.2f MFlops\n", COMPSIZE * COMPSIZE * 1. * (double)m * (double)m * (double)m / time1 * 1.e-6);

  }

  return 0;
}

// void main(int argc, char *argv[]) __attribute__((weak, alias("MAIN__")));