Yes, it's faster to understand this error message than to have "mysteriously slow performance".
** Preallocation routines now automatically set MAT_NEW_NONZERO_ALLOCATION_ERR, if you intentionally preallocate less than necessary then use MatSetOption(mat,MAT_NEW_NONZERO_ALLOCATION_ERR,PETSC_FALSE) to disable the error generation. * http://www.mcs.anl.gov/petsc/documentation/changes/33.html On Thu, Nov 1, 2012 at 8:57 AM, w_ang_temp <w_ang_temp at 163.com> wrote: > Do you mean that the two versions have a different in this point? If I use > the new version, I have to > make some modifications on my codes? > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20121101/faab541c/attachment.html>
