PETSc version 3.15.5
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# PETSC_COMM_SELF

This is always MPI_COMM_SELF

### Notes

Do not USE/access or set this variable before PetscInitialize() has been called.

### See Also

PETSC_COMM_WORLD

### Level

beginner

### Location

include/petscsys.h

### Examples

src/sys/classes/random/tutorials/ex1.c.html
src/sys/classes/random/tutorials/ex2.c.html
src/sys/tutorials/ex1.c.html
src/sys/tutorials/ex2.c.html
src/sys/tutorials/ex3.c.html
src/sys/tutorials/ex17.c.html
src/sys/tutorials/ex1f.F90.html
src/sys/tutorials/ex2f.F90.html
src/sys/tutorials/ex17f.F90.html
src/sys/webclient/tutorials/urlshorten.c.html
src/vec/vec/tutorials/ex6.c.html
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages