add trmm.c

benchmark/trmm.c

@@ -188,8 +188,6 @@ int main(int argc, char *argv[]){
 
     time1 = (double)(stop.tv_sec - start.tv_sec) + (double)((stop.tv_usec - start.tv_usec)) * 1.e-6;
 
-    gettimeofday( &start, (struct timezone *)0);
-
     fprintf(stderr,
 	    " %10.2f MFlops  %10.6f sec\n",
 	    COMPSIZE * COMPSIZE * 1. * (double)m * (double)m * (double)m / time1 * 1.e-6, time1);