1 KERNE: 8 wallclock secs ( 4.00 usr +  4.00 sys =  8.00 CPU) @ 50.00/s (n=100)
2 KERNE: 4 wallclock secs ( 4.00 usr +  4.00 sys =  8.00 CPU) @ 50.00/s (n=100)
4 KERNE: 2 wallclock secs ( 4.00 usr +  4.00 sys =  8.00 CPU) @ 50.00/s (n=100)
8 KERNE: 1 wallclock secs ( 4.00 usr +  4.00 sys =  8.00 CPU) @ 50.00/s (n=100)