Also, is SVN back up yet? Jason Worth Martin Asst. Professor of Mathematics http://www.math.jmu.edu/~martin
On Wed, Nov 5, 2008 at 11:56 AM, Bill Hart <[EMAIL PROTECTED]> wrote: > > Ok I'll give it a go. Perhaps it'll turn up something stupid that I did. > > Bill. > > 2008/11/5 Jason Martin <[EMAIL PROTECTED]>: >> >> How about eMPIREe with Moller Patches versus eMPIREe without? >> >> Jason Worth Martin >> Asst. Professor of Mathematics >> http://www.math.jmu.edu/~martin >> >> >> >> On Wed, Nov 5, 2008 at 11:40 AM, Bill Hart <[EMAIL PROTECTED]> wrote: >>> >>> Yep, I timed Magma and eMPIRe with Moller's patches doing integer >>> gcd's only on sage.math. Here is the table: >>> >>> Bit Size Magma eMPIRe >>> 2000000 1.500s 26.915s >>> 1000000 0.610s 5.794s >>> 500000 0.240s 1.440s >>> 250000 0.090s 0.312s >>> 100000 0.020s 0.040s >>> 50000 0.010s 0.012s >>> >>> Clearly the half-gcd is not working. >>> >>> Bill. >>> >>> 2008/11/5 Bill Hart <[EMAIL PROTECTED]>: >>>> I plotted the poly gcd graph out to a higher bit size and now Magma is >>>> clearly winning. >>>> >>>> The left most column is just integer GCD. Could it be that Magma >>>> improves on Moller's gcd patches (I think I recall reading somewhere >>>> that he originally wrote them for Magma), or did we do something wrong >>>> when merging them? >>>> >>>> http://sage.math.washington.edu/home/wbhart/flint-trunk/graphing/gcd8.png >>>> >>>> Bill. >>>> >>>> 2008/11/1 Bill Hart <[EMAIL PROTECTED]>: >>>>> Sorry, I simply mean you commit to the repo. I agree Mollers algorithm >>>>> is clever and it should be pointed out that his paper on the topic is >>>>> new work. He didn't just implement the half-BCD algorithm. >>>>> >>>>> Bill. >>>>> >>>>> On 01/11/2008, Jason Martin <[EMAIL PROTECTED]> wrote: >>>>>> >>>>>> Okay, I'll take a look at that when SVN is up again. >>>>>> >>>>>> Also, don't call them "Jason's Patches". That makes it sound like I >>>>>> was clever... I wasn't. It's Moller's code, and his algorithm is very >>>>>> very clever. >>>>>> >>>>>> --jason >>>>>> >>>>>> Jason Worth Martin >>>>>> Asst. Professor of Mathematics >>>>>> http://www.math.jmu.edu/~martin >>>>>> >>>>>> >>>>>> >>>>>> On Sat, Nov 1, 2008 at 9:55 AM, Bill Hart <[EMAIL PROTECTED]> >>>>>> wrote: >>>>>>> >>>>>>> Jason, first bug report. When I build mpir with your patches (I have >>>>>>> got the mpir repo working locally for me only - hopefully Michael will >>>>>>> help me with the apache export so everyone else can get access again), >>>>>>> I get warning messages in the compile on sage.math. >>>>>>> >>>>>>> gcd.c: In function 'mpz_rgcd': >>>>>>> gcd.c:167: warning: implicit declaration of function 'mpn_rgcd' >>>>>>> gcd.c: In function 'mpz_bgcd': >>>>>>> gcd.c:171: warning: implicit declaration of function 'mpn_bgcd' >>>>>>> gcd.c: In function 'mpz_sgcd': >>>>>>> gcd.c:175: warning: implicit declaration of function 'mpn_sgcd' >>>>>>> gcd.c: In function 'mpz_ngcd': >>>>>>> gcd.c:179: warning: implicit declaration of function 'mpn_ngcd' >>>>>>> >>>>>>> It seems to build ok otherwise. >>>>>>> >>>>>>> Bill. >>>>>>> >>>>>>> 2008/11/1 Jason Martin <[EMAIL PROTECTED]>: >>>>>>>> >>>>>>>> On Fri, Oct 31, 2008 at 9:11 PM, mabshoff >>>>>>>> <[EMAIL PROTECTED]> wrote: >>>>>>>>> [snip] >>>>>>>>> For me the highest priority item is the Moller's gcd code which has >>>>>>>>> already been merged. What is the status of the code, i.e. performance, >>>>>>>>> any known bugs, etc? >>>>>>>>> >>>>>>>>> Cheers, >>>>>>>>> >>>>>>>>> Michael >>>>>>>> >>>>>>>> Hi Michael, >>>>>>>> >>>>>>>> I haven't tested Moller's code beyond the standard make check test >>>>>>>> suite (which passes all tests). I also haven't done any speed tests >>>>>>>> other than the most rudimentary checks. So if anyone has some >>>>>>>> suggestions for test cases, I'd be happy to try them out. Likewise, >>>>>>>> if anyone has any bug reports for the gcd code, let me know and I'll >>>>>>>> attempt to figure it out. >>>>>>>> >>>>>>>> >>>>>>>> --jason >>>>>>>> >>>>>>>> > >>>>>>>> >>>>>>> >>>>>>> > >>>>>>> >>>>>> >>>>>> >>> >>>>>> >>>>> >>>> >>> >>> > >>> >> >> > >> > > > > --~--~---------~--~----~------------~-------~--~----~ 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 [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/mpir-devel?hl=en -~----------~----~----~----~------~----~------~--~---
