Timeline


and

01/16/11:

16:26 Ticket #4195 (Flush out the Coopr_trunk_python2.6_perf_status) created by wehart
This build is intended to aggregate the test results generated by …
16:23 Ticket #4194 (Extend Coopr Scalability tests) created by wehart
1. Test performance of different representations 2. Test performance on …
16:12 Changeset [3487] by wehart
Changing the context of the runctx command to be the 'global' environment …
15:45 Changeset [3486] by wehart
Adding additional performance tests. This runs very slowly…
14:00 Changeset [3485] by wehart
Adding the PySP tests to the performance tests.
13:47 Changeset [3484] by wehart
Bug fix: adding logic to specify testing plugins in a namespace.
13:17 Changeset [3483] by wehart
Adding a performance test.

01/15/11:

18:16 Changeset [3482] by khunter
Dynamic solver list, minor import fixups. Make the --help options show …
18:14 Changeset [3481] by khunter
NFC: EOL whitespace removal
17:55 Changeset [3480] by khunter
NFC: EOL whitespace removal
17:41 Changeset [3479] by khunter
Drive-by cleanup of PH option parsing, implement logging facility, mild …
17:39 Changeset [3478] by khunter
NFC: EOL whitespace removal
17:35 Changeset [3477] by khunter
Make use of the logging facility.
17:34 Changeset [3476] by khunter
NFC: EOL whitespace removal
04:29 Changeset [3475] by khunter
Add a glpk_direct API plugin. I have not finished implementing the …
04:25 Changeset [3474] by khunter
Create the coopr.plugins branch of the LogHandler?.
04:22 Changeset [3473] by khunter
Moving PyomoLogHandler? to pyutilib.misc
04:20 Changeset [3472] by khunter
Remove unused import
04:18 Changeset [3471] by khunter
Fix argument sanity check; minor drive-by cleanup.
04:07 Changeset [3470] by khunter
NFC: EOL whitespace removal
04:06 Changeset [3469] by khunter
NFC: EOL whitespace removal

01/14/11:

14:11 Changeset [3468] by jdsiiro
Adding tests for using cplex and for just the model creation (i.e. no …
13:41 Changeset [3467] by jdsiiro
Update of convex hull transformation to hopefully always declare variables …
10:09 Changeset [3466] by jwatson
Fixes to GUROBI baseline output.

01/13/11:

21:40 Changeset [3465] by wehart
Reworking some tests to compare against gzip'd baseline files.
19:34 Changeset [3464] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-3460" from …
19:34 Changeset [3463] by wehart
Adding stable branch.
19:28 Changeset [3462] by wehart
Adding coopr.data.cute to dev.ini
19:26 Changeset [3461] by wehart
Moving CUTE problems from coopr.pyomo into coopr.data.cute
19:25 Changeset [3460] by wehart
Adding coopr.data.cute
16:53 Changeset [3459] by jwatson
Eliminating unnecessary "eval" calls in GUROBI plugin - boosts …
16:36 Changeset [3458] by jwatson
Performance improvements to identify_vars.py (when processing the linear …
16:12 Changeset [3457] by jwatson
Fixing bug in output of constraint offset - minor performance improvement …
14:19 Changeset [3456] by jwatson
Some minor performance tweaks to the LP writer. Eliminating hasattr checks …
14:00 Changeset [3455] by jwatson
Minor performance tweak in GUROBI warm-starts.
14:00 Ticket #4193 (Pyomo profiler broken) created by wehart
$ lbin pyomo --profile=20 diet1.py diet1.dat Traceback (most recent call …

01/12/11:

23:29 Changeset [3454] by jwatson
Upgrades to PySP relating to labels, concrete models, and the like.
21:48 Changeset [3453] by jwatson
Various modifications to PySP in light of the elimination of the …
21:48 Changeset [3452] by jwatson
Eliminating generic_varlabels pre-processor - labels are now made either …
12:39 Changeset [3451] by jwatson
Forgot to add default slot value for constraint duals.
12:16 Changeset [3450] by jwatson
Adding dual attribute/slot to ConstraintData? class.

01/11/11:

11:39 Ticket #4192 (Solver Interface to Dr AMPL) created by wehart
This solver can be called with the ASL interface. Q: should we analyze …
11:34 Ticket #4191 (Interface with MProbe) created by wehart
Idea 1: Enable MProbe to use Pyomo to generate a problem Idea 2: Launch …
11:33 Ticket #4190 (Add direct solver interface to DIP) created by wehart
This might require a separate Coopr package. We need to develop a C …
10:42 Ticket #4189 (Add ConstraintList component) closed by wehart
fixed: Resolved with r3445
10:41 Changeset [3449] by wehart
Deprecating the use of 'Model' as the base abstract Model class. An …
10:40 Changeset [3448] by wehart
Deprecating the use of 'Model' as the base abstract Model class. An …
10:39 Changeset [3447] by wehart
Deprecating the use of 'Model' as the base abstract Model class. An …
10:38 Changeset [3446] by wehart
Deprecating the use of 'Model' as the base abstract Model class. An …

01/10/11:

14:59 Changeset [3445] by wehart
Adding the ConstraintList? component, with tests to validate the behavior …
12:00 Ticket #4189 (Add ConstraintList component) created by wehart
This is used in contexts where you don't need to specify indices for …
09:29 Changeset [3444] by jdsiiro
cHull: - adding disaggreated variables to disjuncts where they don't …

01/09/11:

22:32 Changeset [3443] by dword
disease model update

01/07/11:

22:37 Changeset [3442] by jwatson
Added improved error diagnostic for cases where the WW PH configuration …
17:09 Changeset [3441] by jwatson
Minor typo fix.
17:01 Changeset [3440] by jwatson
Various fixes to WW PH extension to make compliant with recent variable …
16:20 Ticket #4188 (Update nose to allow millisecond timing) created by jdsiiro
There is a simple patch to Nose to allow it to report sub-second timing …
16:09 Ticket #3982 (Add component for disjunctive programs) closed by jdsiiro
fixed: coopr.gdp is implemented and ready for (beta) release.
08:06 Changeset [3439] by jwatson
Minor change to variable attribute tests.

01/06/11:

21:56 Changeset [3438] by jwatson
Fixing issue with WW PH extension in PySP - issue with parameters that has …
13:57 Changeset [3437] by jwatson
Modifying WW PH extension (PySP) to use new variable attribute …
13:42 Changeset [3436] by jwatson
Adding "defined_attribute" boolean operator to VarBase?.
13:25 Changeset [3435] by jwatson
Restoring, post-slotization, the variable attribute tests. All variable …

01/05/11:

23:58 Changeset [3434] by jwatson
Introduction of slots to core, heavily-used object hierarchies in …
12:47 Ticket #4187 (GLPK fails to recognize infeasible MIP problems) created by jdsiiro
The following MIP example is (intentionally) not feasible: […] …
12:10 Changeset [3433] by wehart
Revisions to use the example that John Siirola developed.
11:48 Changeset [3432] by jdsiiro
- bugfix for generating the convex hull for expressions that contain …
10:04 Changeset [3431] by jwatson
Fixing issue with ILM solver base class on Windows - if the "-batch" …
09:59 Changeset [3430] by jdsiiro
Updating the BigM tests to only check the makespan (objective) -- the …
09:39 Changeset [3429] by jdsiiro
Checkpointing an initial implementation of the Convex Hull transformation.
09:38 Changeset [3428] by jdsiiro
- removing spaces from the auto-generated disjunct names - buffering the …

01/04/11:

22:42 Ticket #4186 (Create coopr-live) created by wehart
Idea: mimic the live.sympy.org application. Need to clone the github …
17:28 Changeset [3427] by jwatson
Updating the Gurobi test2 MIP plugin baseline.
17:24 Changeset [3426] by jwatson
Fixing various issues with GUROBI solver plug-in. Two big items are: 1) …
17:10 Changeset [3425] by jwatson
Misc. check-in relating to Gurobi MIP plugin tests.
17:09 Changeset [3424] by jwatson
Improving error diagnostics in MIP plugin test driver.
14:43 Changeset [3423] by jdsiiro
- adding SNL copyright statements - moving the StreamIndenter? to …
10:19 Documentation/Acknowledgments edited by jdsiiro
(diff)

01/03/11:

21:53 Changeset [3422] by wehart
This is a hack to avoid a test failure until #4185 is resolved.
21:49 Ticket #4185 (Isolate Pyomo test in tests/examples/test_pyomo.py test6) created by wehart
The test6 test in test_pyomo.py diffs the list of components against a …
20:20 Changeset [3421] by jwatson
Changes in PySP tests in light of changes in the output order of variables …
20:19 Changeset [3420] by jwatson
More key sorting enhancements to the LP writer, to make the output "more …
17:40 Ticket #4184 (Catching and re-raising exceptions should preserve the original stacktrace) created by jdsiiro
In several places in the code (notably in …
17:25 Changeset [3419] by jdsiiro
Test for the presence of glpsol.
17:00 Changeset [3418] by jdsiiro
- adding regression tests for coopr.gdp - edit to the disease_model …
14:46 Changeset [3417] by jdsiiro
Updates to track changes in Pyomo blocks (r3309 and r3416).
14:45 Changeset [3416] by jdsiiro
- bugfix for nested blocks introduced in r3309 - adding additional …
11:57 Changeset [3415] by wehart
Updating externals
11:57 Changeset [3414] by wehart
Updating externals
11:57 Changeset [3413] by wehart
Updating externals
11:57 Changeset [3412] by wehart
Removing stable directories, which don't make sense. The PyUtilib?
11:40 Changeset [3411] by wehart
Adding coopr.gdp to the coopr_install config files.
10:19 Changeset [3410] by wehart
Bug fixes due to change in the options object to Options().
06:45 Documentation/RelatedProjects edited by wehart
(diff)
06:43 Documentation/RelatedProjects edited by wehart
(diff)

01/02/11:

22:45 Changeset [3409] by wehart
Various bug fixes in the logic for call-back functions. (I guess these …
22:39 Ticket #4183 (Enable pickling for frozendict) created by wehart
The slots attribute was added to frozendict in …
10:18 Changeset [3408] by wehart
Adding import to resolve error

01/01/11:

16:10 Changeset [3407] by wehart
Misc formatting change.
15:57 Changeset [3406] by wehart
Another misc reorg to the Pyomo command-line.
14:50 Changeset [3405] by wehart
Misc reorg of pyomo command-line options.
14:42 Changeset [3404] by wehart
Added a 'Model Options' section to the pyomo command-line options. Using …

12/29/10:

21:40 Documentation/RelatedProjects edited by wehart
Name changed from Documentation/Related? to Documentation/RelatedProjects (diff)
21:30 CaseStudies/maxFlow edited by wehart
Name changed from Documentation/maxFlow to CaseStudies?/maxFlow (diff)
21:29 CaseStudies/networkProblem1 edited by wehart
Name changed from Documentation/networkProblem1 to … (diff)
21:28 CaseStudies/transportation edited by wehart
Name changed from Documentation/transportation to … (diff)
21:27 CaseStudies/diet_problem edited by wehart
Name changed from Documentation/diet_problem to CaseStudies?/diet_problem (diff)
21:19 CaseStudies/what_is_coopr edited by wehart
Name changed from Documentation/what_is_coopr to CaseStudies?/what_is_coopr (diff)
16:58 Documentation edited by wehart
(diff)
09:52 Changeset [3403] by jwatson
Updating network flow test in light of recent change to …
09:52 Changeset [3402] by jwatson
Making constraint and variable index ordering in generation of the LP file …

12/28/10:

22:38 WikiStart edited by wehart
(diff)
22:38 WikiStart edited by wehart
(diff)
22:36 Documentation/CooprOverview created by wehart
22:36 Documentation edited by wehart
(diff)
22:34 Community edited by wehart
(diff)
22:32 Documentation edited by wehart
(diff)
22:31 Documentation edited by wehart
(diff)
22:29 Documentation edited by wehart
(diff)
22:24 Documentation/RelatedProjects edited by wehart
(diff)
22:11 Documentation edited by wehart
(diff)
22:07 Documentation edited by wehart
(diff)
22:06 Documentation edited by wehart
(diff)
22:05 Documentation/RelatedProjects edited by wehart
(diff)
22:05 Documentation/RelatedProjects edited by wehart
Name changed from Related to Documentation/Related? (diff)
22:03 Documentation edited by wehart
(diff)
22:02 Documentation edited by wehart
(diff)
22:00 Documentation edited by wehart
(diff)
22:00 Documentation edited by wehart
(diff)
21:58 Documentation edited by wehart
(diff)
21:51 SUCASA edited by wehart
(diff)
21:51 SUCASA edited by wehart
(diff)
21:50 SUCASA edited by wehart
(diff)
21:49 Documentation edited by wehart
(diff)
21:48 Documentation edited by wehart
(diff)
21:47 Documentation edited by wehart
(diff)
21:38 Changeset [3401] by jwatson
Fixing anticipated bug in prior commit if Pympler is not available!
21:33 Documentation edited by wehart
(diff)
21:31 Documentation edited by wehart
(diff)
21:26 WikiStart edited by wehart
(diff)
21:24 Documentation edited by wehart
(diff)
21:21 Documentation edited by wehart
(diff)
21:17 PySP edited by wehart
(diff)
21:13 Changeset [3400] by jwatson
Major enhancements/improvements to the memory profiling options in Pyomo. …
21:13 Pyomo edited by wehart
(diff)
21:07 Documentation edited by wehart
(diff)
15:31 Changeset [3399] by wehart
Merged revisions 3285-3398 via svnmerge from …
15:26 Changeset [3398] by wehart
Updating externals
15:25 Changeset [3397] by wehart
Updating externals
15:25 Changeset [3396] by wehart
Updating externals
15:25 Changeset [3395] by wehart
Updating externals
15:25 Changeset [3394] by wehart
Updating externals
15:25 Changeset [3393] by wehart
Updating externals
15:25 Changeset [3392] by wehart
Updating externals
15:25 Changeset [3391] by wehart
Updating externals
15:25 Changeset [3390] by wehart
Updating externals
15:25 Changeset [3389] by wehart
Updating externals
15:25 Changeset [3388] by wehart
Updating externals
15:25 Changeset [3387] by wehart
Updating externals
15:25 Changeset [3386] by wehart
Updating externals
15:25 Changeset [3385] by wehart
Updating externals
15:19 Changeset [3384] by wehart
Merged revisions 3286-3383 via svnmerge from …
15:18 Changeset [3383] by wehart
Merged revisions 3284-3382 via svnmerge from …
15:18 Changeset [3382] by wehart
Merged revisions 3280-3381 via svnmerge from …
15:18 Changeset [3381] by wehart
Merged revisions 3279-3380 via svnmerge from …
15:05 Ticket #4133 (Setup Builds to test with CPLEX and Gurobi) closed by wehart
fixed: The sleipnir build of Coopr now tests cplex, cplexdirect and gurobi.
15:02 Changeset [3380] by wehart
When a test requires a conversion that is not available, simply skip it.

12/27/10:

08:11 Changeset [3379] by wehart
Bug fix.
07:33 Changeset [3378] by wehart
Removing mock solver, since no logfiles are parsed.
07:11 Changeset [3377] by wehart
Adding gurobi tests with bogus baseline files.
07:02 Changeset [3376] by wehart
Adding cplexdirect to tests.

12/25/10:

22:07 Changeset [3375] by wehart
Update to support the --add-package option.

12/23/10:

14:01 Changeset [3374] by jwatson
Changing runef and runph scripts to use the "--flatten-expressions" option …
14:00 Changeset [3373] by jwatson
Renaming "--linearize-expressions" to "--flatten-expressions", at David's …

12/21/10:

14:33 Changeset [3372] by jwatson
Fixing issue with pympler / memory profiling.
13:26 Changeset [3371] by khunter
Correct typo.
12:58 Changeset [3370] by khunter
Make intradocument links clickable. Try clicking any item in the table of …
12:58 Changeset [3369] by khunter
NFC: EOL removed, so next commit is uncluttered
12:56 Changeset [3368] by khunter
Ignore some temporaries for svn stat requests
12:38 Changeset [3367] by khunter
Add a clean: target to remove the temporary files.
12:25 Changeset [3366] by jwatson
Adding more reasonable error trap for case where .dat files do not exist …
12:23 Changeset [3365] by jwatson
Adding some output to help diagnose some performance issues.
10:10 Ticket #4182 (Add tests for coopr.gdp) created by wehart
I've deferred the release of coopr.gdp until Coopr 2.6 because we don't …
09:59 Changeset [3364] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-3361" from …
09:59 Changeset [3363] by wehart
Readding stable branch.
09:59 Changeset [3362] by wehart
Removing stable branch.
09:58 Changeset [3361] by wehart
Migrating coopr.gdp files from CoinBazaar?
09:32 Ticket #4181 (Add logic to explicitly control representation management) created by wehart
[…]
09:31 Ticket #4180 (Use C extension to manage expression tree) created by wehart
This could significantly improve expression memory footprint and runtime …
09:30 Ticket #4179 (Use Python slots to reduce memory footprint of key objects) created by wehart
09:29 Ticket #4178 (Support visitor pattern for walking the expression tree) created by wehart
09:29 Ticket #4177 (Fix expression semantics) created by wehart
Disallow change of the RHS: expr += rhs should not change rhs. That …
09:28 Ticket #4176 (Validate simplify semantics) created by wehart
Do we need it? How does it impact different expression representations?
09:27 Ticket #4175 (Turn off garbage collector before constraint rule) created by wehart
Turn on afterwards. This will have a big impact on performance.
09:26 Ticket #4174 (Add support for interleaved representational xform) created by wehart
Immediately after an expression is created, xform it into another.
09:25 Ticket #4173 (Add support for model-level organization of representations) created by wehart
Is there a consistent way that we can do this?
09:24 Ticket #4172 (Reorganization expression data in ConstraintData) created by wehart
Allow multiple expressions types to co-exist. Treat 'expr' as a container …
08:16 Changeset [3360] by wehart
Switching to backwards-compatible syntax to support Python 2.5 …
08:10 Changeset [3359] by wehart
Bug fix: the skipIf decorator isn't defined in the standard unittest …

12/20/10:

21:00 Changeset [3358] by wehart
Adding a directory for managing the creating of an installer.
16:01 Changeset [3357] by wehart
Removing Param() mutable options. The default behavior in Param() is …
15:52 Changeset [3356] by wehart
Adding skips for sparse_dict tests.
15:19 Changeset [3355] by jwatson
Adding network flow extensive form test to PySP.
15:01 Changeset [3354] by wehart
Rework of various tests to account for changes that (a) remove mutable …
15:00 Changeset [3353] by wehart
A major rework of parameters. A parameter representation class is …
14:58 Changeset [3352] by wehart
Removing some debugging IO. Reworking management of default values to use …
14:57 Changeset [3351] by wehart
Adding the IParamRepresentation class, and an associated factory.
14:55 Changeset [3350] by jwatson
Adding SIZES3 PySP extensive form test.
14:40 Changeset [3349] by jwatson
Eliminating "jwatson" from any of the baseline test output. Various other …
14:13 Changeset [3348] by jwatson
Adding multi-stage hydro test case to PySP test suite.
14:02 Changeset [3347] by jwatson
Adding Claudio and Pierre's PySP hydro planning model, in preparation for …
13:53 Changeset [3346] by jwatson
Beefing up the PySP extensive form tests.
13:15 Changeset [3345] by jwatson
Fixing bug with PySP extensive form writer and cvar weighted terms.
13:12 Changeset [3344] by dword
fixed variable NL writer bug fix

12/19/10:

21:17 Changeset [3343] by jwatson
Added --report-instance-memory option to the pyomo script, if Pympler is …

12/18/10:

07:39 Changeset [3342] by wehart
Switching the default behavior of Param() back to 'mutable'
07:23 Changeset [3341] by wehart
Removing the 'Shared*' components. Reworking the logic of immutable …

12/17/10:

16:47 Changeset [3340] by wehart
Adding the nonzero method to NumericValue? and Expression objects. This …
16:37 Changeset [3339] by wehart
Bug fix. A constraint had the syntax: a <= b <= c which is not valid. …
15:17 Changeset [3338] by wehart
Adding pyutilib.svn
14:36 Changeset [3337] by wehart
Updating the semantics of the -o command-line option. This option now …
10:52 Ticket #4171 (Catch solver failures) created by wehart
The pyomo script should catch when the solver returns a nonzero status …
09:22 Changeset [3336] by wehart
Reverting change in r3334
09:22 Changeset [3335] by wehart
Reverting changes from r3333
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