perhaps you are missing a call to VecDestroy() on the vec created by DACreateGlobalVector?
Satish On Wed, 12 Jan 2011, Ataollah Mesgarnejad wrote: > Dear All, > > I have a memory leak problem with my program; it eventually exhausts all the > memory on my system and program aborts. I was checking memory usage with > Valgrind and there is a persistent error that always traces back > PetscMallocAlign. Something like: > > ==2918== > ==2918== 18,792 bytes in 2 blocks are possibly lost in loss record 2,256 of > 2,257 > ==2918== at 0x4A04360: memalign (vg_replace_malloc.c:532) > ==2918== by 0x8AC18A: PetscMallocAlign(unsigned long, int, char const*, > char const*, char const*, void**) (mal.c:30) > ==2918== by 0x8ADA8E: PetscTrMallocDefault(unsigned long, int, char > const*, char const*, char const*, void**) (mtr.c:192) > ==2918== by 0x9E4230: VecCreate_MPI_Private(_p_Vec*, PetscTruth, int, > double const*) (pbvec.c:187) > ==2918== by 0x9E48EA: VecCreate_MPI (pbvec.c:232) > ==2918== by 0x9A9E12: VecSetType(_p_Vec*, char const*) (vecreg.c:54) > ==2918== by 0x9FEA80: VecCreateMPI(ompi_communicator_t*, int, int, > _p_Vec**) (vmpicr.c:42) > ==2918== by 0xBBFA6C: DACreateGlobalVector(_p_DA*, _p_Vec**) (dadist.c:42) > ==2918== by 0x6CE34F: main (PFMAT-main.cpp:76) > ==2918== > > > I'm wondering if this is related to a some error in my declarations or a > known issue or an issue at all? > > PS: I get the same kind of error both on my Mac os X 10.6 and Fedora 13. > > Best, > Ata Mesgarnejad
