VECADD:
  CUDA/C version.
  Transfer vectors A and B to GPU, compute sum C.

   i     A[i]      B[i]     C[i]=A[i]+B[i]

   0     84.02     39.44    123.46
   1     78.31     79.84    158.15
   2     91.16     19.76    110.92
   3     33.52     76.82    110.35
   4     27.78     55.40     83.17
   5     47.74     62.89    110.63
   6     36.48     51.34     87.82
   7     95.22     91.62    186.84
   8     63.57     71.73    135.30
   9     14.16     60.70     74.86

VECADD:
  Normal end of execution.