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[OT] Simulation Results Managment

moogyd at yahoo.co.uk moogyd at yahoo.co.uk
Sun Jul 15 01:29:49 EDT 2012 
On Sunday, July 15, 2012 2:42:39 AM UTC+2, Neal Becker wrote:
> me wrote:
> 
> > Hi,
> > This is a general question, loosely related to python since it will be the
> > implementation language. I would like some suggestions as to manage simulation
> > results data from my ASIC design.
> > 
> > For my design,
> > - I have a number of simulations testcases (TEST_XX_YY_ZZ), and within each of
> > these test cases we have:
> >   - a number of properties (P_AA_BB_CC)
> >   - For each property, the following information is given
> >     - Property name (P_NAME)
> >     - Number of times it was checked (within the testcase) N_CHECKED
> >     - Number of times if failed (within the testcase) N_FAILED
> > - A simulation runs a testcase with a set of parameters.
> >   - Simple example, SLOW_CLOCK, FAST_CLOCK, etc
> > - For the design, I will run regression every night (at least), so I will have
> > results from multiple timestamps We have < 1000 TESTCASES, and < 1000
> > PROPERTIES.
> > 
> > At the moment, I have a script that extracts property information from
> > simulation logfile, and provides single PASS/FAIL and all logfiles stored in a
> > directory structure with timestamps/testnames and other parameters embedded in
> > paths
> > 
> > I would like to be easily look at (visualize) the data and answer the
> > questions - When did this property last fail, and how many times was it
> > checked - Is this property checked in this test case.
> > 
> > Initial question: How to organize the data within python?
> > For a single testcase, I could use a dict. Key P_NAME, data in N_CHECKED,
> > N_FAILED I then have to store multiple instances of testcase based on date
> > (and simulation parameters.
> > 
> > Any comments, suggestions?
> > Thanks,
> > Steven
> 
> One small suggestion,
> I used to store test conditions and results in log files, and then write parsers 
> to read the results.  The formats kept changing (add more conditions/results!) 
> and maintenance was a pain.
> 
> Now, in addition to a text log file, I write a file in pickle format containing 
> a dict of all test conditions and results.  Much more convenient.

Hi Neal,
We already store the original log files.
Does pickle have any advantages over json/yaml?
Thanks,
Steven
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