mp_perf_test Module Reference

Interface to the message passing library MPI. More...

Functions/Subroutines
subroutine, public	mpi_perf_test (comm, npow, output_unit)
	Tests the MPI library.

Detailed Description

Interface to the message passing library MPI.

History

JGH (02-Jan-2001): New error handling Performance tools JGH (14-Jan-2001): New routines mp_comm_compare, mp_cart_coords, mp_rank_compare, mp_alltoall JGH (06-Feb-2001): New routines mp_comm_free JGH (22-Mar-2001): New routines mp_comm_dup fawzi (04-NOV-2004): storable performance info (for f77 interface) Wrapper routine for mpi_gatherv added (22.12.2005,MK) JGH (13-Feb-2006): Flexible precision JGH (15-Feb-2006): single precision mp_alltoall

Author

JGH

Function/Subroutine Documentation

mpi_perf_test()

subroutine, public mp_perf_test::mpi_perf_test	(	class(mp_comm_type), intent(in)	comm,
		integer, intent(in)	npow,
		integer, intent(in)	output_unit
	)

Tests the MPI library.

Parameters

comm	the relevant, initialized communicator
npow	number of sizes to test, 10**1 .. 10**npow
output_unit	where to direct output

History

JGH 6-Feb-2001 : Test and performance code

Author

JGH 1-JAN-2001

Note

quickly adapted benchmark code, will only work on an even number of CPUs.

Definition at line 54 of file mp_perf_test.F.

Here is the call graph for this function:

Here is the caller graph for this function: