Hmmm... uniformly refining a ParallelMesh that has had delete_remote_elements() called on it is giving me a segfault. Is it supposed to work?
Derek On Mon, Jun 23, 2008 at 4:15 PM, Derek Gaston <[EMAIL PROTECTED]> wrote: > Guys, > > What do I need to do to actually use ParallelMesh with parallel I/O? > So far I've done --enable-parmesh and used delete_nonlocal_elements > (after doing a build_cube)... then I've computed a solution and > written a single exodus file. In writing that Exodus file is it > serializing the mesh first? Or is it doing that block chunked I/O > that Ben put into the code? Somehow it's getting all of the elements > into that Exodus file.... > > Here's what I'm thinking I'd like to do: Let's say I have a coarse > mesh in exodus format (all in one file) to start with. I want to read > this in (preferably in parallel, even if that means I need to do an > offline filetype conversion first) then uniformly refine it to > saturate all available memory... compute a solution... then write it > out (hopefully a parallel write... but doesn't have to be). > > Is that doable now? > > Also, how much work do you think it would be to be able to read (and > write) decomposed Exodus files? The writing part sounds especially > easy (I believe that decomposed Exodus files are just regular exodus > files). > > The idea is that I'm going to be running a simulation that uses > approximately 40 million elements on about 1,000 procs. What I do > doesn't have to be pretty... it just needs to work. If the mesh I run > on is just a cube... so be it... if it looks like a cylinder that > would be a huge bonus. I am open to all ideas. > > Thanks! > Derek > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Libmesh-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-devel
