dgemm   n=  500       0.143 s      1.75 GFLOP/s  (check c[0]=1.454343)
dgemm   n= 1000       0.470 s      4.26 GFLOP/s  (check c[0]=-0.136566)
dgemm   n= 2000       5.275 s      3.03 GFLOP/s  (check c[0]=0.380984)
dpotrf  n=  500       0.026 s      1.63 GFLOP/s  (info=0, L00=22.360680)
dpotrf  n= 1000       0.086 s      3.87 GFLOP/s  (info=0, L00=31.622777)
dpotrf  n= 2000       0.687 s      3.88 GFLOP/s  (info=0, L00=44.721360)
dgetrf  n=  500       0.032 s      2.63 GFLOP/s  (info=0)
dgetrf  n= 1000       0.193 s      3.46 GFLOP/s  (info=0)
dgetrf  n= 2000       1.383 s      3.86 GFLOP/s  (info=0)
EXIT: 0