[petsc-users] Petsc configuration and multiple branch working

[Matthew Knepley]

On Sat, Sep 6, 2014 at 4:21 PM, Alp Kalpalp <alpkalpalp at gmail.com> wrote:

> Hi,
>
> Nowadays I am trying to build a branch and sometimes I am swittching back
> to master branch.
> I experienced that configuring and making a branch requires almost 30
> minutes on cygwin.
> I wonder;
>
> 1- How do you manage more than one branches?
>

a) Do not reconfigure. You need (normally) only remake across branch changes

b) Use ccache to minimzie recompiling

c) Run a virtual machine (maybe VirtualBox or VMWare) for Linux since the
filesystem
    latencies on Windows are so much worse.


> 2- Do we need to reconfigure after a git pull?
>

Not normally


> 3- Are switching back and forward in between branches like me? or just
> using separate work-dir for each branch?
>

I switch branches ~ 50 times a day.

   Matt


> please help me I am so exhausted to configure and make petsc!!!!
>



-- 
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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