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>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
def layout(name="layout", facility="layout"):
return Layout(name, facility)
from pyre.components.Component import Component
class Layout(Component):
def __init__(self, name, facility):
Component.__init__(self, name, facility)
self.coarse = None
self.fine = None
self.coarsePlus = []
self.finePlus = []
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):
size = self.nodes
nodes = application.inventory.launcher.inventory.nodes
if nodes != size:
import journal
firewall = journal.firewall("layout")
firewall.log("processor count mismatch: %d != %d" % (nodes, size))
if 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
fineGroup = self.inventory.fine
coarseGroup = self.inventory.coarse
self.fine = world.include(fineGroup)
self.coarse = world.include(coarseGroup)
for each in coarseGroup:
self.finePlus.append(world.include(fineGroup + [each]))
for each in fineGroup:
self.coarsePlus.append(world.include(coarseGroup + [each]))
return
class Inventory(Component.Inventory):
import pyre.inventory
coarse = pyre.inventory.slice("coarse", default=range(12))
fine = pyre.inventory.slice("fine", default=[12])
# version
__id__ = "$Id$"
# End of file