On Thu, Nov 6, 2008 at 9:28 AM, Jason Martin
<[EMAIL PROTECTED]> wrote:
>
> Now you're starting to make me nervous that there is a repository
> problem!!  I spent many hours merging Moller's gmp_h.in into ours.  I
> also replaced the GMP gcd routine with Moller's so his routines should
> be getting called.

After you did all that did you test the result (in your local copy) to
see if it was "fast"?

William

>
> Anyway, get SVN back up and I'll be happy to dig in and see what's
> going on.  Without SVN, though, I'm reluctant to make any changes.
>
> --jason
>
> Jason Worth Martin
> Asst. Professor of Mathematics
> http://www.math.jmu.edu/~martin
>
>
>
>>
>> I have just confirmed Bill's timings and it is clear that we are not
>> gaining full advantage from the new GCD code in eMPIRe.
>>
>> I have checked out the changes that Jason made to add this code and I
>> have found one thing that he didn't do - our gmp_h.in does not include
>> the definitions of the interfaces to the new GCD routines that are in
>> Niels Möller's modified gmp_h.in.
>>
>> Also, looking at Niels Möller's speed test code, I am inclined to
>> think that the new code either has to be called directly to get the
>> speed gain OR the existing GMP routines have to be modified to call
>> these new routines.  I don't think that simply adding the new routines
>> alone is sufficient alone unless they are called directly (however I
>> am not sure about this as I have only just started to look at it)..
>>
>>  best regards,
>>
>>       Brian
>
> >
>



-- 
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org

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