[petsc-dev] make -j not supported? Why???

Satish Balay balay at mcs.anl.gov
Mon Feb 25 17:17:52 CST 2013


On Mon, 25 Feb 2013, Barry Smith wrote:

> 
> On Feb 25, 2013, at 5:13 PM, Satish Balay <balay at mcs.anl.gov> wrote:
> 
> > The build script here is doing both configure and make. configure is
> > sequential and slow.
> 
>    Especially on a networked file system.

Now that configure does all tests in /tmp - and 'cmake build' does
minimal I/O - they might not be that slow on NFS vs local disk. [when
compared to build times with older petsc versions]

Satish



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