mpifx_init_module Module Reference

Contains wrapper for MPI_INIT. More...

Functions/Subroutines
subroutine, public	mpifx_init (error)
	Initializes the MPI environment.
subroutine, public	mpifx_init_thread (requiredthreading, providedthreading, error)
	Initializes a threaded MPI environment.

Detailed Description

Contains wrapper for MPI_INIT.

Function/Subroutine Documentation

mpifx_init()

subroutine, public mpifx_init_module::mpifx_init

(

integer, intent(out), optional

error

)

Initializes the MPI environment.

Parameters

error

Error code on return. If not present and error code would have been non-zero, routine aborts program execution.

See also

MPI documentation (MPI_INIT)

Example:

program test_mpifx
  use libmpifx_module
  implicit none

  type(mpifx_comm) :: mycomm

  call mpifx_init()
  call mycomm%init()
  :
  call mpifx_finalize()

end program test_mpifx

mpifx_init_thread()

subroutine, public mpifx_init_module::mpifx_init_thread	(	integer, intent(in)	requiredthreading,
		integer, intent(out), optional	providedthreading,
		integer, intent(out), optional	error )

Initializes a threaded MPI environment.

Parameters

requiredThreading	Threading support required (MPI_THREAD_SINGLE, MPI_THREAD_FUNNELED, MPI_THREAD_SERIALIZED, MPI_THREAD_MULTIPLE)
proviedeThreading	Threading level provided by the MPI-framework. If not present and the framework offers a lower support than required, the routine stops program execution.
error	Error code on return. If not present and error code would have been non-zero, routine aborts program execution.

See also

MPI documentation (MPI_INIT)

Example:

program test_mpifx
  use libmpifx_module
  implicit none

  type(mpifx_comm) :: mycomm

  call mpifx_init_thread(MPI_THREAD_FUNNELED)
  call mycomm%init()
  :
  call mpifx_finalize()

end program test_mpifx