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

[Satish Balay]

On Thu, 26 Feb 2015, Barry Smith wrote:

> 
> > On Feb 26, 2015, at 9:16 PM, Nathan Collier <nathaniel.collier at gmail.com> wrote:
> > 
> > Barry,
> > 
> > > Do you know where /tmp is on the system? Presumably it is fast?
> > 
> > I am not sure about that. There is a /tmp but I am not sure what it is or if/how I can use it.
> 
>    They never told you to do compiles on particular file systems or anything?  For example did they ever say DON'T compile on the lustre file system?

Ah - I misunderstood earlier. You'd like to have a petsc clone in /tmp
- and do the build there - and compare the difference [with the
current luster build].

Perhaps the 52m 'sys' time could be luster overhead - and that woud
disappear with a petsc build in /tmp. [and could be much faster].

Satish