1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 1997-2016 California Institute of Technology.
# Copyright (c) 2016-2026 The Uncertainty Quantification Foundation.
# License: 3-clause BSD. The full license text is available at:
# - https://github.com/uqfoundation/pathos/blob/master/LICENSE
from pathos.parallel import stats
from pathos.parallel import ParallelPool as Pool
pool = Pool()
def host(id):
import socket
return "Rank: %d -- %s" % (id, socket.gethostname())
print("Evaluate 10 items on 1 cpu")
pool.ncpus = 1
res3 = pool.map(host, range(10))
print(pool)
print('\n'.join(res3))
print(stats())
print("Evaluate 10 items on 2 cpus")
pool.ncpus = 2
res5 = pool.map(host, range(10))
print(pool)
print('\n'.join(res5))
print(stats())
pool.clear()
# end of file
|
