No, not GIMP, but GIMPS: the Great Internet Mersenne Prime Search.
I’d been starting mprime
from rc.local
, but this time I used crontab
, as suggested in that thread, to reduce the program’s privileges.
Start the crontab
editor:
crontab -e
Then add this line:
@reboot ( /opt/Primenet/mprime & )
It starts every time the box boots and run until you hit shutdown, which is exactly the way things should work.
Power dissipation looks like this:
- Idle: 40 W
- mprime running: 88 W
They estimate an additional 40 W, which comes out slightly low for this box. Their system info dump looks like this:
CPU Information: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz CPU speed: 2992.40 MHz, 2 cores CPU features: Prefetch, SSE, SSE2, SSE4 L1 cache size: 32 KB L2 cache size: 6 MB
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