To get the most credits you need at least 1GB per core/thread available.
Then go to
http://escatter11.fullerton.edu/nfs/...subset=project and set up the clients like this:
Run only the selected applications
lasieved - app for RSALS subproject, uses less than 0.5 GB memory: no (36 points per wu)
lasievee - work nearly always available, uses up to 0.5 GB memory: no (44 points per wu)
lasievef - used for huge factorizations, uses up to 1 GB memory: yes (65 points per wu)
lasieve5f - used for huge factorizations, uses up to 1 GB memory: no (65 points per wu)
Offtopic: just looked at Top Host stats and my old GenuineIntelIntel(R) Core(TM) i5 CPU 750 @ 2.67GHz is ranked 15th by daily average. Another week and I am in top 10. Hehe.