petsc-dev directory structure questions

Matthew Knepley knepley at
Fri Dec 14 11:35:23 CST 2007

After this mail, I am convinced I was right that all this renaming is
not going to help very much (because everyone has their own "intuitive"),
and users are going to really really hate us (notably Wolfgang).


On Dec 14, 2007 11:25 AM, Satish Balay <balay at> wrote:
> I guess my thoughts in the previous e-mail were all over the place -
> so here is an attempt to get something consistant out.
> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> <Barry>
> 2) putting the ons of sample files for different systems
> into a subdirectory called samples
> <Richard>
> A much more descriptive name for the 'config' directory would be
> something like 'BuildScripts'.
> <Lisandro>
> * I'm on Richard's side. I believe all the build scripts in 'config'
> should be placed in other location, let say 'maint/BuildScripts/'.
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> One issue here is - when you refer to scripts in config - are you
> refering to things like just '' or both &
> ** In the current design _both_ scripts are equivalent [wrt user
> invocation]. Hence in the same location. **
> <option1>
> So the current porposal of PETSC_DIR/BuildScripts & PETSC_DIR/config
> is _exaclty_ the same organization as what we had before [with
> PETSC_DIR/config & PETSC_DIR/python], with dirs being renamed.
> PETSC_DIR/python could have aswell be moved to PETSC_DIR/src/foobar
> [and it would still be consistant to me].
> Issue: Woud user now invoke ./BuildScripts/
> <option2>
> However if the intent is to splitup &, the
> organization avaliable is: PETSC_DIR/, PETSC_DIR/config,
> and PETSC_DIR/BuildScripts.
> *****
> With the above two options , Barrys primary concern with eliminating
> one of 'conf' and 'config' is not resolved. [only better renaming is
> done, with a cost of different ueser interface with ./ and
> ./BuildScripts/]
> ******
> <option2A>
> Now move PETSC_DIR/config to PETSC_DIR/src/config-foobar. This removes
> one dir from PETSC_DIR [however BuildScripts & conf,
> still remain]
> <options2B>
> Also move PETSC_DIR/BuildScripts to PETSC_DIR/maint/BuildScripts.
> However with this approach [as we don't distribute 'maint' to users,
> this would be loss in usr functionality.
> We are attempting all of this reorganization just because the name
> 'conf' is too close to 'config'. [And I fear we might break more than
> what we are fixing]
> 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

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