David Barton <david.barton.99 at bristol.ac.uk> writes: [snip] GMPbench result: 3583 This is very good, but still about 10% worse than I would expect for a K8 on 64-bit mode, from what I get on an 2.2GHz Opteron. (I doubt Opteron will be measurably faster than Athlon64 as long as the latter has a 1MB cache.) -- Torbjörn