asterix:MGS jan$ python run_mgs_dd_speedups.py

 n     CPU      GPU  speedup
 16    17.17   11.85   1.45
 32   125.06   22.44   5.57
 48   408.20   35.88  11.38
 64   952.35   55.18  17.26
 80  1841.07   79.11  23.27
 96  3159.93  105.67  29.90
112  4994.48  143.60  34.78

Wall clock times for 10,000 runs 
of the modified Gram-Schmidt method
(followed by one backsubstitution)
for various dimensions n on CPU and GPU,
with corresponding speedups.
