On Sun, Mar 1, 2009 at 10:18 AM, Bill Hart <goodwillh...@googlemail.com> wrote: > > Oh, I thought you meant that GMP unaltered, from the GMP website built > with MSVC.
Oh, you're right, I was talking nonsense. It's eMPIRe that "just works" with MSVC. I don't know about GMP... > So why is 4.2.4 unpatched, as fast as MPIR 0.9.0 which is not > unpatched (it contains the equivalent of Pierrick Gaudry's patches)? > > Bill. > > 2009/3/1 William Stein <wst...@gmail.com>: >> >> On Sun, Mar 1, 2009 at 8:35 AM, Bill Hart <goodwillh...@googlemail.com> >> wrote: >>> >>> GMP 4.2.4 builds with MSVC?? >> >> Yes. We ship project files for MSVC, and it's very easy to use them, >> even in a scripted install. Even I've built it with MSVC (for >> windows.sagemath.org). Given that you use Windows a lot, you should >> try it out :-) >> >>> We will certainly have the same naming convention between the linux >>> and windows builds in mpir-1.0.0. The binaries will be called mpir*. >>> Probably we will introduce a little script to set up links or rename >>> them for people who just want to plug mpir in instead of gmp and don't >>> care about overwriting their existing gmp binaries. >> >> How do you setup links like that on Windows? Somehow symlink support in >> windows is a bit different. >> >>> >>> Bill. >>> >>> 2009/3/1 Jeff Gilchrist <jeff.gilchr...@gmail.com>: >>>> >>>> On Sat, Feb 28, 2009 at 12:54 PM, <ja...@njkfrudils.plus.com> wrote: >>>> >>>>> This could make a nice "real world" benchmark for MPIR , where we have >>>>> cache >>>>> misses and branch mispredictions. The current mpirbench and speed don't >>>>> have >>>>> these features. For example if we pipeline the entire mul_basecase to >>>>> increase the speed , it turns out to be 1.5x larger in the code cache. Now >>>>> speed and mpirbench would probably not show any indication of this, >>>>> whereas >>>>> in the real world it may be a slowdown. >>>> >>>> Sounds like a good idea to me. I finally got around to doing some >>>> tests with MPIR 0.9 on Windows, both with cygwin and MSVC so I will >>>> post my results. It seems that what I really want to see for Windows >>>> is the MPIR 1.0 release with all of Brian's additions since the >>>> current version is essentially the same speed as GMP. >>>> >>>> Benchmark: >>>> time echo >>>> "1606274791359742683462193665835026393961358862962351944720191458360082027218282749671391672280676891140068379759963605046949616963145972154002637700442143987397361301827559875507425065995179598763956235845311986100972998806344397600124996519181" >>>> | ./ecm -sigma 2956027510 11e6 >>>> >>>> Results: >>>> AMD Opteron 248 @ 2.2GHz (Linux 64bit) >>>> MPIR 0.9 (gcc 3.4.6) = 2m32.406s >>>> GMP 4.2.4 (gcc 3.4.6) = 3m20.908s >>>> >>>> Intel Xeon E5405 @ 2.00GHz (Linux 64bit) >>>> MPIR 0.9 (gcc 4.1.2) = 3m45.447s >>>> GMP 4.2.4 (gcc 4.1.2) = 4m40.356s >>>> >>>> Intel Core2 Q9550 @ 3.4GHz (Vista 64bit) >>>> GMP 4.2.4 (MSVC 64bit) = 2m06.904s >>>> MPIR 0.9 (MSVC 64bit) = 2m07.032s >>>> MPIR 0.9 (cyg gcc 3.4.4) = 5m45.800s >>>> GMP 4.2.4 (cyg gcc 3.4.4) = 6m25.568s >>>> GMP 4.2.4 (MSVC 32bit) = 6m45.073s >>>> MPIR 0.9 (MSVC 32bit) = 6m50.230s >>>> >>>> One thing I noticed is that building MPIR in Linux you get libgmp.a >>>> and gmp.h files out. With Windows however, MSVC is setup to create >>>> mpir.lib and mpir.h which isn't consistent and I had to rename those >>>> files to get them to work with GMP-ECM or any other application that >>>> uses GMP. So whatever is decided is it possible to have both use the >>>> same naming convention? >>>> >>>> Regards, >>>> Jeff. >>>> >>>> > >>>> >>> >>> > >>> >> >> >> >> -- >> William Stein >> Associate Professor of Mathematics >> University of Washington >> http://wstein.org >> >> > >> > > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
