[petsc-users] petsc configuer time

Barry Smith bsmith at mcs.anl.gov
Thu Mar 13 20:38:41 CDT 2014


On Mar 13, 2014, at 8:19 PM, Jed Brown <jed at jedbrown.org> wrote:

> Barry Smith <bsmith at mcs.anl.gov> writes:
>> You may need to ask the system administrator of the machine to give
>> you a directory on the machine that has lots of free space to use to
>> work with PETSc.
> 
> The system search paths are often over NFS as well, and account for the
> vast majority of file access during configure/builds.  This prevents
> fixing the performance problem simply by building in scratch.

   Yes but scratch can still help a great deal.

   BTW: how much information is/could be cached either in the fileserver memory or local memory and can get reused? 

    Barry




More information about the petsc-users mailing list