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  • PetscShmComm

PetscShmComm#

Opaque handle to a partition of an MPI_Comm into shared-memory subcommunicators, used by PETSc to share memory between ranks that live on the same compute node

Synopsis#

typedef struct _n_PetscShmComm *PetscShmComm;

See Also#

PetscShmCommGet(), PetscShmCommGlobalToLocal(), PetscShmCommLocalToGlobal(), PetscShmCommGetMpiShmComm()

Level#

developer

Location#

include/petscsystypes.h


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Last updated on 2026-05-26T04:13:20-0500 (v3.25.1-33-g83b4067cabca).