source: anuga_core/source/anuga_parallel/parallel_abstraction.py @ 3628

Last change on this file since 3628 was 3628, checked in by ole, 18 years ago

Work on parallel abstraction allowing sequential execution

File size: 922 bytes
Line 
1"""Abstract parallel interface - suitable for sequential programs
2
3Use pypar for parallism if installed.
4Otherwise define a rudimentary interface for sequential execution.
5"""
6
7try:
8    import pypar 
9except:
10    print 'WARNING: Could not import pypar - defining sequential interface'
11    def size(): return 1
12    def rank(): return 0
13
14    def get_processor_name():
15        import os
16        try:
17            hostname = os.environ['HOST']
18        except:
19            try: 
20                hostname = os.environ['HOSTNAME'] 
21            except:
22                hostname = 'Unknown' 
23
24        return hostname
25     
26    def abort():
27        import sys
28        sys.exit()
29
30    def finalize(): pass
31 
32    def barrier(): pass 
33
34    def time():
35        import time
36        return time.time()
37
38    #def send(*args, **kwargs):
39    #    pass
40
41    #def receive(*args, **kwargs):
42    #    pass   
43
44else:
45    from pypar import *
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