mpn_copy is hardly used in MPIR , so I dont understand how they could make that much difference.
On Friday 06 March 2009 01:09:57 Bill Hart wrote: > Deleting them doesn't make any difference that I can see. mpirbench is > still 15600 on my Opteron, which is what I think it was before. > > Bill. > > 2009/3/6 Bill Hart <goodwillh...@googlemail.com>: > > Doing that right now. > > > > 2009/3/6 <ja...@njkfrudils.plus.com>: > >> On Friday 06 March 2009 00:56:42 Bill Hart wrote: > >>> That was it. Time jumps back to 10300 if I delete those two files. > >>> > >>> I recommend getting rid of those, or optimising them. :-) > >>> > >>> Phew!! > >> > >> I moved them as fat build needs a native copyi/d , if not we have to > >> write a wrapper like for mul_basecase , no problem, I'll do it in a mo > >> I'm more surprised they make that much difference , I think we better > >> check they are faster on AMD as well?? > > > > - Show quoted text - > > > >> - Show quoted text - > >> > >>> Bill. > >>> > >>> 2009/3/6 <ja...@njkfrudils.plus.com>: > >>> > On Friday 06 March 2009 00:33:57 Bill Hart wrote: > >>> >> I checked all the speed times we have for this machine and they've > >>> >> not changed. But something is broken. Before the commit you did we > >>> >> have 10100, now 9500. Of course before the yasm changeover it was > >>> >> 10300. > >>> > > >>> > r1671 I moved amd copyi/d to x86_86 directory , so now they are > >>> > used on core2 , but even if they were junk , you wouldn't get a > >>> > slowdown like that > >>> > > >>> > I'm mystified > >>> > - Show quoted text - > >>> > > >>> >> And yeah, I mean mpirbench. > >>> >> > >>> >> Bill. > >>> >> > >>> >> 2009/3/6 <ja...@njkfrudils.plus.com>: > >>> >> > On Thursday 05 March 2009 23:02:50 Bill Hart wrote: > >>> >> >> I just don't get this. We are 10% down on what we had before on > >>> >> >> sage.math. I've tried deleting the files that you say we being > >>> >> >> left out before and that doesn't change anything. > >>> >> > > >>> >> > Welcome to the wacky world of assembler !!!!! > >>> >> > > >>> >> >> What else got changed? > >>> >> > > >>> >> > I assume you mean mpirbench ? > >>> >> > I cant see any differences in times for speed for > >>> >> > add,mul,mulbase,sqrbase - Show quoted text - > >>> >> > > >>> >> >> Bill. > >>> >> >> > >>> >> >> 2009/3/5 <ja...@njkfrudils.plus.com>: > >>> >> >> > On Thursday 05 March 2009 21:05:32 Bill Hart wrote: > >>> >> >> >> Yeah I suspect we'll have lot's of opportunity to speed up > >>> >> >> >> core 2 eventually. > >>> >> >> >> > >>> >> >> >> If I recall correctly it was about 4.5 c/l for core 2. Does > >>> >> >> >> anyone know if this is optimal? > >>> >> >> > > >>> >> >> > I've got a 4.4c/l , Agner Fog's says the thruput on 64 bit mul > >>> >> >> > is 4c/l , but in another section it says you can issue one > >>> >> >> > every cycle , if the latter section means 32bit then , 4c/l > >>> >> >> > could be right ( I say could not would as consider the K8) , I > >>> >> >> > expect I can do a bit better than 4.4c/l , but who knows.A lot > >>> >> >> > of the speed comes from reducing the overhead in mul_basecase. > >>> >> >> > > >>> >> >> > It quite a wide cpu , I would expect the combined > >>> >> >> > functions(like addlsh1) to make a real difference on it. > >>> >> >> > - Show quoted text - > >>> >> >> > > >>> >> >> >> Supposedly you can do 4 or even 5 instructions at once with > >>> >> >> >> instruction fusion. > >>> >> >> >> > >>> >> >> >> Bill. > >>> >> >> >> > >>> >> >> >> On 05/03/2009, ja...@njkfrudils.plus.com > >>> >> >> >> <ja...@njkfrudils.plus.com> > >>> >> > > >>> >> > wrote: > >>> >> >> >> > the functions missed out were > >>> >> >> >> > addadd > >>> >> >> >> > addsub > >>> >> >> >> > addlsh > >>> >> >> >> > sublsh > >>> >> >> >> > the 2% due to them is not bad , considering they were > >>> >> >> >> > written for an AMD chip. > >>> >> >> >> > The other new functions like redc,sumdiff are used > >>> >> >> >> > unconditionally > >>> >> >> >> > > >>> >> >> >> > I think sumdiff is still in the optional section of > >>> >> >> >> > configure , must change this some time , it's confusing , > >>> >> >> >> > but it doesn't hurt. > >>> >> >> >> > > >>> >> >> >> > On Thursday 05 March 2009 18:42:20 Bill Hart wrote: > >>> >> >> >> >> If the mpirbench is about 10300 on sage.math then it > >>> >> >> >> >> worked. > >>> >> >> >> >> > >>> >> >> >> >> I can't check it till I'm home. > >>> >> >> >> >> > >>> >> >> >> >> Bill. > >>> >> >> >> >> > >>> >> >> >> >> On 05/03/2009, ja...@njkfrudils.plus.com > >>> >> >> >> >> <ja...@njkfrudils.plus.com> > >>> >> >> >> >> > >>> >> >> >> >> wrote: > >>> >> >> >> >> > commited , and I think I should be > >>> >> >> >> >> > > >>> >> >> >> >> > On Thursday 05 March 2009 17:50:59 > >>> >> >> >> >> > ja...@njkfrudils.plus.com > >>> > > >>> > wrote: > >>> >> >> >> >> >> Done it , just cant commit at the moment !!! > >>> >> >> >> >> >> > >>> >> >> >> >> >> On Thursday 05 March 2009 17:43:04 Bill Hart wrote: > >>> >> >> >> >> >> > Damnit I am still not getting anything in config.h. I > >>> >> >> >> >> >> > must be doing something wrong. I'm going to let Jason > >>> >> >> >> >> >> > fix this. Perhaps dos2unix isn't doing the job. > >>> >> >> >> >> >> > > >>> >> >> >> >> >> > I have to go out for a few hours. > >>> >> >> >> >> >> > > >>> >> >> >> >> >> > Bill. > >>> >> >> >> >> >> > > >>> >> >> >> >> >> > 2009/3/5 Bill Hart <goodwillh...@googlemail.com>: > >>> >> >> >> >> >> > > It's not clear to me why WinSCP didn't change the > >>> >> >> >> >> >> > > line endings. It probably didn't identify the files > >>> >> >> >> >> >> > > as text files. > >>> >> >> >> >> >> > > > >>> >> >> >> >> >> > > Bill. > >>> >> >> >> >> >> > > > >>> >> >> >> >> >> > > 2009/3/5 Bill Hart <goodwillh...@googlemail.com>: > >>> >> >> >> >> >> > > - Show quoted text - > >>> >> >> >> >> >> > > > >>> >> >> >> >> >> > >> Should do the same for all files in > >>> >> >> >> >> >> > >> /mpn/x86_64/core2, /mpn/x86_64/amd64 and > >>> >> >> >> >> >> > >> /mpn/x86_64/amd64/k10 > >>> >> >> >> >> >> > >> > >>> >> >> >> >> >> > >> It's just a matter of running dos2unix *.as in each > >>> >> >> >> >> >> > >> dir I think. > >>> >> >> >> >> >> > >> > >>> >> >> >> >> >> > >> Bill. > >>> >> >> >> >> >> > >> > >>> >> >> >> >> >> > >> 2009/3/5 <ja...@njkfrudils.plus.com>: > >>> >> >> >> >> >> > >>> On Thursday 05 March 2009 17:37:31 Cactus wrote: > >>> >> >> >> >> >> > >>>> On Mar 5, 5:37 pm, ja...@njkfrudils.plus.com wrote: > >>> >> >> >> >> >> > >>>> > must be Brian script , they are all full of > >>> >> >> >> >> >> > >>>> > "\r" which of course means the matching name is > >>> >> >> >> >> >> > >>>> > mpn_name\r not mpn_name removing the "\r" is > >>> >> >> >> >> >> > >>>> > easy on all files, but we will probably hit the > >>> >> >> >> >> >> > >>>> > problem again , and/or I can put a tr -d "\r" > >>> >> >> >> >> >> > >>>> > to delete all "\r" in that specific piece of > >>> >> >> >> >> >> > >>>> > configure We could hit the problem in other > >>> >> >> >> >> >> > >>>> > places!!! > >>> >> >> >> >> >> > >>>> > >>> >> >> >> >> >> > >>>> Only because you got me to run it on Windows. My > >>> >> >> >> >> >> > >>>> guess is that it > >>> >> >> >> >> >> > >>>> would produce the right line endings if the > >>> >> >> >> >> >> > >>>> Python code was run on Linux > >>> >> >> >> >> >> > >>> > >>> >> >> >> >> >> > >>> Great , if it only those few that Bill asked you > >>> >> >> >> >> >> > >>> to convert , then > >>> >> >> >> >> >> > >>> I'll delete the \r and leave the configure script > >>> >> >> >> >> >> > >>> alone - Show quoted text - > >>> >> >> >> >> >> > >> > >>> >> >> >> >> >> > >> - Show quoted text - > >>> >> >> >> >> >> > >> > >>> >> >> >> >> >> > >>>> Brian > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "mpir-devel" group. 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