On Thu, Apr 28, 2011 at 16:02, Bart?omiej W <bartlomiej.wach at yahoo.pl>wrote:
> Hello, > > I was trying to allocate a sparse AIJ matrix of over 800 entries > > MatSeqAIJSetPreallocation(L,PETSC_NULL,nnz); > > (with proper nonzeros vector) > results in an > Maximum memory PetscMalloc()ed 315699888 OS cannot compute size of entire > process > (in ubuntu) What was in the nnz array? If you don't expect the problem to exceed the addressable memory, then the array is probably corrupt. If you really mean to be solving a very large problem, you will have to get a 64-bit machine and configure --with-64-bit-indices, or run in parallel. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110428/ac2f3397/attachment.htm>
