[petsc-users] configure of PETSc with multiple cores

[Jed Brown]

On Mon, May 23, 2011 at 13:25, Thomas Witkowski <
thomas.witkowski at tu-dresden.de> wrote:

> Is there a way to run ./configure with multiple cores? On my systems it
> takes up to three hours to run this script. So around 80% of the time is
> spend in compiling third party packages. Is it possible to run at least this
> compilation with multiple cores, so to provide something like "-j8" to them?


Not currently. The most common reason for slow configure is a slow
network-mounted disk. You can configure on a scratch disk (set symlinks from
where you want to put it). With petsc-dev, you can run multiple configures
concurrently (for different PETSC_ARCH).
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