Revision 9dddcd26a18a291e290d9b21538eaf604c538aab authored by Eh Tan on 23 June 2007, 00:33:20 UTC, committed by Eh Tan on 23 June 2007, 00:33:20 UTC
1 parent 54685e2
Layout.py
#!/usr/bin/env python
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
#<LicenseText>
#
# CitcomS.py by Eh Tan, Eun-seo Choi, and Pururav Thoutireddy.
# Copyright (C) 2002-2005, California Institute of Technology.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#</LicenseText>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
from pyre.components.Component import Component
class Layout(Component):
def __init__(self, name, facility):
Component.__init__(self, name, facility)
self.ccomm = None
self.ecomm = None
self.ccommPlus = []
self.ecommPlus = []
self.comm = None
self.rank = 0
self.nodes = 0
return
def initialize(self, application):
self.discover()
self.verify(application)
self.allocateNodes()
self.createCommunicators()
return
def discover(self):
import mpi
self.comm = mpi.world()
self.rank = self.comm.rank
self.nodes = self.comm.size
return
def verify(self, application):
if self.nodes < 2:
import journal
firewall = journal.firewall("layout")
firewall.log("'%s' requires at least 2 processors"
% application.name)
return
def allocateNodes(self):
return
def createCommunicators(self):
world = self.comm
myrank = world.rank
ccommGroup = self.inventory.ccomm
ecommGroup = self.inventory.ecomm
# communicator for solvers
self.ccomm = world.include(ccommGroup)
self.ecomm = world.include(ecommGroup)
# communicator for inter-solver communication
for node in ccommGroup:
self.ecommPlus.append(world.include(ecommGroup + [node]))
for node in ecommGroup:
self.ccommPlus.append(world.include(ccommGroup + [node]))
return
class Inventory(Component.Inventory):
import pyre.inventory
ccomm = pyre.inventory.slice("ccomm", default=range(12))
ecomm = pyre.inventory.slice("ecomm", default=[12])
# version
__id__ = "$Id$"
# End of file
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