[petsc-dev] configure default to --with-etags=0 ?

[Satish Balay]

On Mon, 8 Sep 2014, Satish Balay wrote:

> On Mon, 8 Sep 2014, Jed Brown wrote:
> 
> > Satish Balay <balay at mcs.anl.gov> writes:
> > > This machine has ssd-raid - but still takes a long time..
> > >
> > > balay at es^/scratch/balay/petsc(maint) $ date;make alletags; date
> > > Mon Sep  8 15:12:42 CDT 2014
> > > Mon Sep  8 15:14:49 CDT 2014
> > 
> > 9 seconds on my Linux laptop.  Is something weird happening with the es
> > filesystem?
> 
> Hm - 18 sec on my linux laptop and (a new) ssd. [I wonder why the difference]
> 
> wrt es - perhaps the PATHs are longer [and they mostly point to nfs
> software] and thats affecting the run time. But I've seen multiple
> minutes spent on etags on various machines..
> 
> When we added these defaults - primary 'repo' users were
> developrs. But now we want big chunk of our users to use repos. And
> also for ourselves we are now switching between branches - and these
> files are generated more frequently.

actually etags don't get regenerated but c2html is downloaded/built for each petscarch..

satish

> So those initial assumptions
> [when we made these things default] are not really valid anymore..
> 
> Satish
> 
>