I have now added all the tuning code we need for the release. I just need to fix the fft tuning code on systems on which it still crashes.
Bill. On 20 March 2014 00:54, Bill Hart <goodwillh...@googlemail.com> wrote: > I meant to say, "Today I finally fixed mpn_mulmod_2expp1 to use > the Nussbaumer trick in the FFT region". > > > On 20 March 2014 00:44, Bill Hart <goodwillh...@googlemail.com> wrote: > >> Today I finally fixed mpn_mulmod_2expp1 to use the FFT wraparound trick >> in the FFT region. >> >> As mpn_mulmod_bnm1 uses this function, this means that GMP-ECM will now >> be able to use MPIR more efficiently. >> >> I think that much of our mulmod_2expp1 and mulmod_bnm1 code needs >> rewriting, but this can wait until someone can do it properly. >> >> I also added some tuning for the new division functions. I'm not >> convinced it is picking the right thresholds, based on my own timings. But >> it's coded correctly, so there's nothing I can do about it. At least the >> division code doesn't seem to slow down with the new tuning values. >> >> Tomorrow I will add some tuning functions for the new GMP combinatorics >> functions that we added. I will also fix a bug in the fft tuning code which >> causes it to crash on some systems. >> >> This should hopefully complete all the new features for MPIR 2.7 and we >> can move on to closing all the open tickets for the release. >> >> I have essentially until the end of next week to do as much as I can, >> after which I will have to work weekends if it isn't done. >> >> After tomorrow we will need to retune MPIR on as many platforms as we >> can. Help with that would be appreciated. >> >> By the way, after May 31st we'll lose access to about half the machines >> we build on, due to one of the build farms closing down. So if anyone has >> access to lots of heterogeneous hardware with linux, git and recent gcc on >> it, please let us know. >> >> Bill. >> > > -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to mpir-devel+unsubscr...@googlegroups.com. To post to this group, send email to mpir-devel@googlegroups.com. Visit this group at http://groups.google.com/group/mpir-devel. For more options, visit https://groups.google.com/d/optout.
