I was therefore not surprised to see the P4 do better than the Athlon for the LL tests. But was a little surprised to see the Athlon show considerably faster times over every bit-depth of factoring, with the higher the bit-depth the more the Athlon blew the P4 away.
v24 has many enhancements for factoing by 64-bit machines. Therefore the Athlon64 now outshines the P4 in factoring.
It made me curious. Does anybody know which would be faster for P-1 and ECM testing?
My guess, and this is just a guess, is that the P4 remains better as P-1 and ECM generate instructions that are more similar to the LL testing code than the factoring code.
>
And maybe as a suggestion, have these timings added to the benchmarks Prime95 generates?
If you benchmark with v24.13, you will find that it gives timings for trial factoring also. There is nothing for ECM/P-1 but if my guess above is correct, just use the appropriate LL test FFT timing.
As a final comment, if you do a lot of ECM, try GMP-ECM 6.0 for stage 2 as it is much faster than Prime95.
Anurag _______________________________________________ Prime mailing list [email protected] http://hogranch.com/mailman/listinfo/prime
