petsc-3.14.5 2021-03-03
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# MPI_Comm

the basic object used by MPI to determine which processes are involved in a communication

Note: This manual page is a place-holder because MPICH does not have a manual page for MPI_Comm

### See Also

PETSC_COMM_WORLD, PETSC_COMM_SELF

### Level

beginner

### Location

include/petscsys.h

### Examples

src/sys/classes/random/tutorials/ex2.c.html
src/ksp/ksp/tutorials/ex65.c.html
src/ksp/ksp/tutorials/ex74.c.html
src/snes/tutorials/ex15.c.html
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages