That's a relief!! Jason Worth Martin Asst. Professor of Mathematics http://www.math.jmu.edu/~martin
On Mon, Dec 22, 2008 at 6:32 PM, Bill Hart <goodwillh...@googlemail.com> wrote: > > Heh, it helps if you set the clock speed in your profiler to 2.666 GHz > instead of 1.8GHz!! > > Now the graph looks right: > > http://sage.math.washington.edu/home/wbhart/flint-trunk/graphing/polymul3.png > > This was a stupid mistake on my part. However it did allow me to > notice that sage.math is not being detected, so it had some use. > > Bill. > > 2008/12/22 Jason Martin <jason.worth.mar...@gmail.com>: >> >> 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 -~----------~----~----~----~------~----~------~--~---
