petsc4py.init

petsc4py.init(args=None, arch=None, comm=None)

Initialize PETSc.

Parameters:

• args (str | list[str] | None) – Command-line arguments, usually the sys.argv list

• arch (str | None) – Specific configuration to use

• comm (Intracomm | None) – MPI commmunicator

Return type:

None

Notes

This function should be called only once, typically at the very beginning of the bootstrap script of an application.