offroader10052
Subscriber

1)

The same job is taking a different time or different number of iterations or....? 

iterations

 

2) 

Timings can be affected by compute load, ie what else the system is doing.

ok

 

3) 

How many cores are you using?

I tried to solve the problem on the same number of cores.
First on 4
Then on 10
fourteen
32
64