petsc-3.15.0 2021-03-30
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# PETSC_MPI_THREAD_REQUIRED

the required threading support used if PETSc initializes MPI with MPI_Init_thread.

### Notes

By default PETSC_MPI_THREAD_REQUIRED equals MPI_THREAD_FUNNELED.

### See Also

PetscInitialize()

### Level

beginner

### Location

include/petscsys.h
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages