[petsc-dev] Seeking OLCF users complaining about poor build times

[Matthew Knepley]

On Mon, Mar 2, 2015 at 11:00 AM, Aron Ahmadia <aron at ahmadia.net> wrote:

> Another side-note.
>
> We have made some progress in pulling out some of the major external
> dependencies (SuperLU, hypre, Metis) into their own packages in HashDist,
> which has been helpful for speeding up rebuilds.  As others have noted,
> configure is the real killer for PETSc builds.
>

I just pushed an update for parallel configure (using only 2 threads right
now) to next. We will see if the
builds blow up.

   Matt


>
> A
>
> On Mon, Mar 2, 2015 at 11:47 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>>
>> > On Mar 2, 2015, at 9:36 AM, Jed Brown <jed at jedbrown.org> wrote:
>> >
>> > Barry Smith <bsmith at mcs.anl.gov> writes:
>> >>  We could have a script that runs configure; submits the result to
>> >>  queue; gets result from queue; runs the new configure
>> >
>> > Just make it part of configure, but either way, it requires knowing how
>> > to submit jobs.
>>
>>    No the difference is that it is written by the person running on that
>> particular site who knows that particular site and its quirks and thus
>> writes a script that works there.  It is not something done by an outside
>> group
>>
>>
>> > If you don't guess right the first time, it costs as
>> > much human time as the manual alternative.
>>
>>
>


-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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