Example #1
0
#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 1997-2016 California Institute of Technology.
# Copyright (c) 2016-2017 The Uncertainty Quantification Foundation.
# License: 3-clause BSD.  The full license text is available at:
#  - http://trac.mystic.cacr.caltech.edu/project/pathos/browser/pyina/LICENSE

from pyina.launchers import MpiScatter

def host(id):
    import socket
    return "Rank: %d -- %s" % (id, socket.gethostname())

print "Evaluate 10 items on 1 node (w/ 1 ppn) using scatter-gather:"
scat = MpiScatter('1:ppn=1')
res1 = scat.map(host, range(10)) 
print scat
print '\n'.join(res1)
print ''

print "Evaluate 10 items on 1 node (w/ 2 ppn) using scatter-gather:"
scat.nodes = '1:ppn=2'
res2 = scat.map(host, range(10)) 
print scat
print '\n'.join(res2)
print ''

# end of file
Example #2
0
from pyina.launchers import MpiScatter, MpiPool

def host(id):
    import socket
    return "Rank: %d -- %s" % (id, socket.gethostname())

print("Evaluate 10 items on 3 nodes using a worker pool:")
pool = MpiPool(3)
res1 = pool.map(host, range(10)) 
print(pool)
print('\n'.join(res1))
print('')

print("Evaluate 10 items on 3 nodes using scatter-gather:")
scat = MpiScatter(3)
res2 = scat.map(host, range(10)) 
print(scat)
print('\n'.join(res2))
print('')

print("Evaluate 5 items on 2 nodes using a worker pool:")
pool.nodes = 2
res3 = pool.map(host, range(5))
print(pool)
print('\n'.join(res3))
print('')

print("Evaluate 5 items on 2 nodes using scatter-gather:")
scat.nodes = 2
res4 = scat.map(host, range(5))
Example #3
0
#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 1997-2016 California Institute of Technology.
# Copyright (c) 2016-2018 The Uncertainty Quantification Foundation.
# License: 3-clause BSD.  The full license text is available at:
#  - https://github.com/uqfoundation/pyina/blob/master/LICENSE

from pyina.launchers import MpiScatter

def host(id):
    import socket
    return "Rank: %d -- %s" % (id, socket.gethostname())

print("Evaluate 10 items on 1 node (w/ 1 ppn) using scatter-gather:")
scat = MpiScatter('1:ppn=1')
res1 = scat.map(host, range(10)) 
print(scat)
print('\n'.join(res1))
print('')

print("Evaluate 10 items on 1 node (w/ 2 ppn) using scatter-gather:")
scat.nodes = '1:ppn=2'
res2 = scat.map(host, range(10)) 
print(scat)
print('\n'.join(res2))
print('')

# end of file
Example #4
0
from pyina.launchers import MpiScatter, MpiPool

def host(id):
    import socket
    return "Rank: %d -- %s" % (id, socket.gethostname())

print("Evaluate 10 items on 3 nodes using a worker pool:")
pool = MpiPool(3)
res1 = pool.map(host, range(10)) 
print(pool)
print('\n'.join(res1))
print('')

print("Evaluate 10 items on 3 nodes using scatter-gather:")
scat = MpiScatter(3)
res2 = scat.map(host, range(10)) 
print(scat)
print('\n'.join(res2))
print('')

print("Evaluate 5 items on 2 nodes using a worker pool:")
pool.nodes = 2
res3 = pool.map(host, range(5))
print(pool)
print('\n'.join(res3))
print('')

print("Evaluate 5 items on 2 nodes using scatter-gather:")
scat.nodes = 2
res4 = scat.map(host, range(5))