During my tests I saw:
0.4 milli-seconds per iteration on the P4 @ 2.47 GHz
0.7 milli-seconds per iteration on the XP2200 @ 1.8 GHz
making Athlons competative at LLR.
Once we have finshed sieving at the end of 2005, I will be putting my Athlons on LLR.
Athlon users: