pull config/BuildSystem and rerun config/configure.py

[Barry Smith]

On Jun 11, 2009, at 7:27 AM, Matthew Knepley wrote:

> Works now.

    What was wrong with it?

> However, the Scq options do not seem to be tested.

     Correct. You can add a test for them if you like, I couldn't be  
bothered.

    Barry

>
>   Matt
>
> On Thu, Jun 11, 2009 at 6:51 AM, Matthew Knepley <knepley at gmail.com>  
> wrote:
> Are there ever any tests of this shit? It broke IMMEDIATELY on my box.
>
>   Matt
>
>
> On Wed, Jun 10, 2009 at 11:02 PM, Satish Balay <balay at mcs.anl.gov>  
> wrote:
> On Wed, 10 Jun 2009, Barry Smith wrote:
>
> >
> >   All petsc-dev users. Next time you pull petsc-dev make sure you  
> pull
> > config/BuildSystem also and rerun your configure with
> > ${PETSC_ARCH}/conf/reconfigure-${PETSC_ARCH}.py
> > As always, report any problems to petsc-dev at mcs.anl.gov
> >
> >   Barry
> >
> >
> > What I changed. I discovered the ar flags Sq that are much faster  
> than our
> > current use of r. For my laptop these are the timings for "make  
> all" debug
> > version
> >
> >                regular libraries           --with-single-library(new
> > config/configure.py option to put all code into libpetsc.a (not  
> yet working
> > for shared libraries)).
> >
> > old           9 min 23 sec                    28 min
> > new         2 min 49 sec                      2 min 58 sec
>
> On linux [my laptop] - both the old and new mode [regular libraries]
> take about 2min10sec.
>
> >
> > What I changed: added the flag FAST_AR_FLAGS that is used by  
> libfast: instead
> > of AR_FLAGS; also added fast versions of buildmod called  
> buildmodfast that use
> > libffast that uses FAST_AR_FLAGS
> >
> > Once we get rid of the damn make we should see the entire "make  
> all" take less
> > than a minute
>
> The issue is the recursive make - and all the shell processes that get
> created during it. If we have something eqivalent to automake - then
> it should zip through everything with 'make -j 8' - on the newer
> multicore machines pretty quickly..
>
> Satish
>
>
>
> -- 
> 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
>
>
>
> -- 
> 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