On Mon, Jan 25, 2010 at 5:40 PM, Don Pellegrino <don at drexel.edu> wrote:
> On Mon, Jan 25, 2010 at 12:25 PM, Matthew Knepley <knepley at gmail.com> > wrote: > > I think you want to Viewer technology. > > Thanks for pointing me at the PetscViewer functions. I wrote a quick > test case to write a sparse matrix to an HDF5 file > [ > http://cluster.ischool.drexel.edu/~st96wym4/flumap/cgit/cgit.cgi/exp007/tree/src/assign/assign_blast_scores.c?id=899b82178d3bcc365b07447a5686635c5856c39e<http://cluster.ischool.drexel.edu/%7Est96wym4/flumap/cgit/cgit.cgi/exp007/tree/src/assign/assign_blast_scores.c?id=899b82178d3bcc365b07447a5686635c5856c39e> > ]. > Unfortunately I receive the following run-time error: > Yes, so far people have just been saving Vecs (fields). > [0]PETSC ERROR: --------------------- Error Message > ------------------------------------ > [0]PETSC ERROR: No support for this operation for this object type! > [0]PETSC ERROR: Viewer type hdf5 not supported by SeqAIJ matrices! > [0]PETSC ERROR: > ------------------------------------------------------------------------ > [0]PETSC ERROR: Petsc Release Version 3.0.0, Patch 10, Tue Nov 24 > 16:38:09 CST 2009 > [0]PETSC ERROR: See docs/changes/index.html for recent updates. > [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting. > [0]PETSC ERROR: See docs/index.html for manual pages. > [0]PETSC ERROR: > ------------------------------------------------------------------------ > [0]PETSC ERROR: ./updator on a linux-gnu named coffee by don Mon Jan > 25 18:28:31 2010 > [0]PETSC ERROR: Libraries linked from > /home/don/Apps/Installers/petsc-3.0.0-p10/linux-gnu-c-debug/lib > [0]PETSC ERROR: Configure run at Mon Jan 25 17:57:35 2010 > [0]PETSC ERROR: Configure options --with-hdf5=1 --with-hdf5-dir=/usr > --with-shared > [0]PETSC ERROR: > ------------------------------------------------------------------------ > [0]PETSC ERROR: MatView_SeqAIJ() line 625 in src/mat/impls/aij/seq/aij.c > [0]PETSC ERROR: MatView() line 643 in src/mat/interface/matrix.c > > So it seems that writing sparse matrices to HDF5 is not yet > implemented. I suppose such an implementation should be possible. > For now I'll try a binary viewer as suggested by Barry Smith. > > If I were to implement the writer using HDF5 where should I start in > the PETSc source? > I would look at the binary viewer. Matt -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20100125/34f82895/attachment.htm>
