Well, I just got a new machine with Xeon E7450 processors in it. The 7400 series are all using the Dunnington architecture, so I'll start looking into it as soon as I get the machine stable.
Agner Fog doesn't have these new cores in his guides yet... probably he'll have them soon. Jason Worth Martin Asst. Professor of Mathematics http://www.math.jmu.edu/~martin On Sun, Dec 21, 2008 at 9:16 PM, Bill Hart <goodwillh...@googlemail.com> wrote: > > The performance of both the amd64 and core2 patches seems to suck on > this machine. > > Here is a graph of Magma vs FLINT at polynomial multiplication: > > http://sage.math.washington.edu/home/wbhart/flint-trunk/graphing/polymul.png > > The leftmost column of that graph is simply integer multiplication. > That's using the core2 patches. It's worse with amd64. > > It's not even clear to me what this machine should be classed as. > > No hints from gmp-4.2.2. It didn't build for me. I'll try a later version. > > Bill. > > 2008/12/22 Bill Hart <goodwillh...@googlemail.com>: >> >> I just noticed that MPIR uses generic C for all functions on the new >> sage.math. It's has Intel Xeon(R) X7460 CPU's at 2.66 GHz, however >> config.guess says p6???-unknown-linux-gnu. As it doesn't recognise it, >> it builds without assembly support. >> >> Bill. >> > >> > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "mpir-devel" group. To post to this group, send email to mpir-devel@googlegroups.com To unsubscribe from this group, send email to mpir-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en -~----------~----~----~----~------~----~------~--~---
