Perfume is nondeterministic, even on a fixed seed

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Two separate executions, on the same machine, with the same seed, lead to two 
different models (with, for example, different numbers of nodes).  Using the 
first 1000 lines from the BEAR log file (see email for log file, as it is not 
intended for public release) with the seed 1397762762492, generates:

RUN 1

INFO: Using random seed: 1397762762492 
INFO: Parsing input files.. 
INFO: Successfully parsed 82 traces, containing a total of 571 events from 
[C:\Users\marc\Research\Perfume\log\bear\findyourhouse_anonym_preprocessed_debug
_1000.log] 
INFO: Parsing took 149ms 
INFO: Generating inter-event temporal relation... 
INFO: Generating temporal relation took 36ms 
INFO: Mining invariants [synoptic.invariants.miners.ChainWalkingTOInvMiner].. 
INFO: Mining took 48ms 
INFO: Mining performance-constrained invariants... 
INFO: Constrained mining took 195ms 
INFO: Mined 49 invariants 
INFO: Creating initial partition graph. 
INFO: Creating partition graph took 3ms 
INFO: Refining (Splitting)... 
INFO: Splitting took 21680ms 
INFO: Coarsening (Merging).. 
INFO: Merging took 184579ms 
INFO: Exporting final graph [361 nodes].. 
INFO: Exporting graph to: Perfume_BearDataSet_Debug1000_R1.dot 
INFO: Exporting graph to: Perfume_BearDataSet_Debug1000_R1.dot.png 
INFO: Exporting took 22787ms 


RUN 2

INFO: Using random seed: 1397762762492 
INFO: Parsing input files.. 
INFO: Successfully parsed 82 traces, containing a total of 571 events from 
[C:\Users\marc\Research\Perfume\log\bear\findyourhouse_anonym_preprocessed_debug
_1000.log] 
INFO: Parsing took 144ms 
INFO: Generating inter-event temporal relation... 
INFO: Generating temporal relation took 36ms 
INFO: Mining invariants [synoptic.invariants.miners.ChainWalkingTOInvMiner].. 
INFO: Mining took 47ms 
INFO: Mining performance-constrained invariants... 
INFO: Constrained mining took 194ms 
INFO: Mined 49 invariants 
INFO: Creating initial partition graph. 
INFO: Creating partition graph took 3ms 
INFO: Refining (Splitting)... 
INFO: Splitting took 18145ms 
INFO: Coarsening (Merging).. 
INFO: Merging took 44930ms 
INFO: Exporting final graph [141 nodes].. 
INFO: Exporting graph to: Perfume_BearDataSet_Debug1000_R1.dot 
INFO: Exporting graph to: Perfume_BearDataSet_Debug1000_R1.dot.png 
INFO: Exporting took 3397ms 

Original issue reported on code.google.com by [email protected] on 1 May 2014 at 6:26

Attachments:

• args.txt