Implementation of routines for ring-like communication scheme. More...

Functions
int	ring_init (int indices, int count, int R, int nR, int *S, int nS, int steps, MPI_Comm comm)
	Initialize tables for ring-like communication scheme.
int	ring_reduce (int *R, int nR, int nRmax, int *S, int nS, int nSmax, double val, double res_val, int steps, MPI_Comm comm)
	Perform a sparse sum reduction (or mapped reduction) using a ring-like communication scheme.
int	ring_nonblocking_reduce (int *R, int nR, int *S, int nS, double val, double res_val, int steps, MPI_Comm comm)
	Perform a sparse sum reduction (or mapped reduction) using a ring-like non-blocking communication scheme.
int	ring_noempty_reduce (int *R, int nR, int nneR, int *S, int nS, int nneS, double val, double res_val, int steps, MPI_Comm comm)
	Perform a sparse sum reduction (or mapped reduction) using a ring-like non-blocking no-empty communication scheme.

Detailed Description

Implementation of routines for ring-like communication scheme.

Note:: Copyright (c) 2010-2012 APC CNRS Université Paris Diderot. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, see http://www.gnu.org/licenses/lgpl.html; For more information about ANR MIDAS'09 project see http://www.apc.univ-paris7.fr/APC_CS/Recherche/Adamis/MIDAS09/index.html; ACKNOWLEDGMENT: This work has been supported in part by the French National Research Agency (ANR) through COSINUS program (project MIDAS no. ANR-09-COSI-009).

Definition in file ring.c.

Functions