[jan@kepler MGS2]$ time ./run_mgs2_dd 32 2048 1 7

real	56m2.627s
user	55m56.677s
sys	0m0.586s
[jan@kepler MGS2]$ time ./run_mgs2_dd 64 2048 1 6

real	0m44.798s
user	0m27.813s
sys	0m16.720s
[jan@kepler MGS2]$ time ./run_mgs2_dd 96 2048 1 6

real	0m34.929s
user	0m21.765s
sys	0m12.860s
[jan@kepler MGS2]$ time ./run_mgs2_dd 128 2048 1 6

real	0m27.039s
user	0m16.838s
sys	0m9.922s
[jan@kepler MGS2]$ 

