Timeline
Jul 14, 2009:
- 10:46 PM Changeset [1415] by
- Optimization of the processing done to generate generic …
- 10:25 PM Changeset [1414] by
- A major rework of the Pyomo core. This change eliminates the use of …
- 12:36 PM Changeset [1413] by
- Further update of network flow profile output, reflecting SVN versions …
- 12:18 PM Changeset [1412] by
- Updated profile for network flow pysp example based on Bill's latest …
- 11:50 AM Changeset [1411] by
- Bug fix: finite numeric constants were being treated as infinite. …
- 2:36 AM Changeset [1410] by
- Various optimizations.
- 1:53 AM Changeset [1409] by
- Update to tests based on changes to constraint instantiation.
- 1:52 AM Changeset [1408] by
- Misc code optimization.
- 1:52 AM Changeset [1407] by
- A major rework of how constraints are instantiated. This avoids …
Jul 13, 2009:
- 7:39 PM Changeset [1406] by
- Some further code optimizations.
- 7:07 PM Changeset [1405] by
- Optimizing construction of VarValue? objects.
- 6:48 PM Changeset [1404] by
- Bug fix.
- 6:32 PM Changeset [1403] by
- Various loop optimizations.
- 6:32 PM Changeset [1402] by
- Misc loop optimizations.
- 3:56 PM Changeset [1401] by
- Various Pythonic coding optimizations to reduce the run-time of Pyomo …
- 1:22 AM Changeset [1400] by
- Major change of NumericalValue? subclass semantics. The 'value' data …
Jul 10, 2009:
- 1:23 AM Changeset [1399] by
- Reworked the way that 'empty' objectives and constraints are dealt …
- 1:17 AM Changeset [1398] by
- Adding a p-median Pyomo example.
Jul 9, 2009:
- 1:08 PM Changeset [1397] by
- Using an explicit temporary file when launching the shell command …
- 12:33 PM Changeset [1396] by
- The 'set representation' of virtual sets is just the set object …
- 12:00 PM Changeset [1395] by
- Misc change.
- 11:59 AM Changeset [1394] by
- Baseline change.
Jul 8, 2009:
- 10:34 PM Changeset [1393] by
- Across all PH examples, made the scenario sets ordered, so output is sane.
- 10:27 PM Changeset [1392] by
- I found a case where the run-time of pyomo is not good, in terms of …
- 6:56 PM Changeset [1391] by
- Flushed out instance for stochastic network flow problem, including …
- 4:25 PM Changeset [1390] by
- Adding a baseline comparison file for CPLEX.
- 4:21 PM Changeset [1389] by
- Bug fix. Only discard the trailing suffix, following the last '.'.
- 2:48 PM Changeset [1388] by
- Went nuts with python list comprehensions, and significantly reduced …
- 2:17 PM Changeset [1387] by
- Revisions to make mock tests work in a portable manner. Note that the …
Jul 7, 2009:
- 11:18 PM Changeset [1386] by
- Fixed final bugs in stochastic network flow model; replicates AMPL …
- 10:46 PM Changeset [1385] by
- More updates to stochastic network flow model.
- 9:06 PM Changeset [1384] by
- Fixed _name attribute reference in infrequently-used portion of CPLEX …
- 6:40 PM Changeset [1383] by
- All data now reads correctly for network flow example.
- 6:33 PM Changeset [1382] by
- Getting closer on simple network flow model conversion.
- 6:19 PM Changeset [1381] by
- A not-quite-complete translation of our AMPL model of a simple …
- 6:05 PM Changeset [1380] by
- Making Set(rule=foo) a synonym for Set(initialize=foo)
- 4:54 PM Changeset [1379] by
- Update on pysp documentation from David.
- 3:14 PM Changeset [1378] by
- Fixed issues with PH SIZES example when upgrading to Bill's latest …
- 3:09 PM Changeset [1377] by
- Fixed some output issues arising with unused variables in the forestry …
- 2:34 PM Changeset [1376] by
- In PH, changed "time.clock()" calls to "time.time()" calls, in order …
- 2:15 PM Changeset [1375] by
- Added check that the input stage ID set to the ScenarioTree? …
- 1:30 PM Changeset [1374] by
- Updated pysp user's document based on our recent meeting. Doesn't …
- 12:31 PM Changeset [1373] by
- Simplified PH pretty-print routines to use the tree node variable …
- 12:19 PM Changeset [1372] by
- Added minimum and maximum statistics (in addition to the usual …
- 11:26 AM Changeset [1371] by
- Made output of PH timing statistics optional (defaulting to false), in …
- 1:30 AM Changeset [1370] by
- Updates to CPLEX baselines.
- 1:29 AM Changeset [1369] by
- Further update to PICO-related hack.
- 1:17 AM Changeset [1368] by
- Further fixes to CPLEX output parse. This includes parsing the input …
- 1:16 AM Changeset [1367] by
- Changed the error message generated when mock data is not available.
- 1:15 AM Changeset [1366] by
- Misc tightening of parse semantics.
- 1:14 AM Changeset [1365] by
- A hack to accomodate a semantic discrepancy in PICO *.sol files. …
- 1:13 AM Changeset [1364] by
- Misc cleanup.
- 1:11 AM Changeset [1363] by
- New baselines.
Jul 6, 2009:
- 7:09 PM Changeset [1362] by
- Fixes to make the use of 'ilmlist' work correctly. Standardized on …
- 6:25 PM Changeset [1361] by
- Misc update to baseline data, esp. to support mock tests.
- 5:53 PM Changeset [1360] by
- Misc edits to logging info in convert.py Adding ILM shell command, …
- 5:53 PM Changeset [1359] by
- Major revision of CPLEX driver. It now provides output that is …
- 5:50 PM Changeset [1358] by
- Update of CPLEX tests. These now appear to work correctly on expo. …
- 5:50 PM Changeset [1357] by
- Fixed ._value versus .value issue occuring in maximization problems.
- 5:48 PM Changeset [1356] by
- Disabled verbosity in the farmer ph example driver.
- 5:45 PM Changeset [1355] by
- Changes to complete upgrade of pysp to Bill's latest (v1354) …
- 4:56 PM Changeset [1354] by
- Complete compatability fix for pysp relative to Bill's v1330 checkin.
- 4:35 PM Changeset [1353] by
- Edits to partially bring pysp in compatability with Bill's v1330 check-ins.
- 1:57 AM Changeset [1352] by
- Update to baseline. The 'sol' reader has been augmented to use x* for …
- 1:55 AM Changeset [1351] by
- Disabling a test. It's not clear what this test does.
- 1:52 AM Changeset [1350] by
- A major rework of the CBC solver plugin. This has been updated, and …
- 1:50 AM Changeset [1349] by
- Compile multi-line messages into a single line. This resolves a parse …
Jul 5, 2009:
- 11:56 PM Changeset [1348] by
- Misc update of PICO testing harness. Rework of CBC tests, in …
- 11:48 PM Changeset [1347] by
- Misc edit of PICO plugin. Adding parsing of CPLEX commandline output, …
- 11:47 PM Changeset [1346] by
- Misc simplifications of the CPLEX testing harness.
- 8:34 PM Changeset [1345] by
- Update of GLPK and PICO solver/tests. Now, these two solvers appear …
Jul 2, 2009:
- 7:37 PM Changeset [1344] by
- Misc change to pprint() semantics. Now, ordered sets are printed in …
- 7:12 PM Changeset [1343] by
- Adding command-line option to specify the directory use for temporary …
- 6:49 PM Changeset [1342] by
- . Reworked errors when computing values. These errors now raise …
- 5:45 PM Changeset [1341] by
- Misc revisions of exception messages.
- 11:11 AM Changeset [1340] by
- Simplifying this example, including documentation from the PyUtilib? wiki.
- 10:44 AM Changeset [1339] by
- A skeleton directory for setting up PYSP tests.
Jul 1, 2009:
- 6:50 PM Changeset [1338] by
- A major rework of how component attributes are managed for …
Jun 30, 2009:
- 4:57 PM Changeset [1337] by
- Added IPHExtension plugin to facilitate user intercession into PH workings.
- 3:52 PM Changeset [1336] by
- Corrected forestry models - added non-negativity constraints on real …
- 12:50 PM Changeset [1335] by
- Update of Chile forestry example.
- 12:27 PM Changeset [1334] by
- Fixes to Davis forestry example model/scenario.
- 12:24 PM Changeset [1333] by
- Corrected various issues with 2-stage forestry example.
- 11:50 AM Changeset [1332] by
- Fixed problem with indexed cost variables in pysp - was previously …
- 11:25 AM Changeset [1331] by
- Bug fix in test.
Jun 28, 2009:
- 11:36 PM Changeset [1330] by
- A revision to Pyomo semantics. Now, expressions are not evaluated …
Jun 26, 2009:
- 12:53 PM Changeset [1329] by
- Hack in CPLEX solver interface to by-pass issue with too much output …
Jun 25, 2009:
- 11:56 PM Changeset [1328] by
- Fixed issue with "wx" term in maximization problems for PH - if …
- 11:22 PM Changeset [1327] by
- Fixed bug/omission relating to inverting the sign of the PH quadratic …
- 2:46 PM Changeset [1326] by
- Adding simple two-stage version of DAVIS forestry problem.
Jun 24, 2009:
- 4:42 PM Changeset [1325] by
- Some fixes in PH and related files to correct behaviors relating to …
- 2:33 PM Changeset [1324] by
- Fixed pretty-print of PH state to output nan when "None" values are …
- 2:17 PM Changeset [1323] by
- Eliminated the deep copies of index sets for newly constructed …
- 1:57 PM Changeset [1322] by
- Speed improvement to PH initialization change introduced in last commit.
- 1:37 PM Changeset [1321] by
- Modified PH initialization to be compatible with index-specific …
- 12:44 PM Changeset [1320] by
- Restructured forestry example files.
- 12:37 PM Changeset [1319] by
- Added index-aware pretty-print to scenario tree output routines.
- 12:09 PM Changeset [1318] by
- Added parsing and extraction of variable indices in scenario tree …
Jun 23, 2009:
- 11:38 PM Changeset [1317] by
- Preparation for index-specific stage and cost variables in pysp - …
- 5:39 PM Changeset [1316] by
- For the forestry example, imported new+improved phdriver from farmer …
- 5:34 PM Changeset [1315] by
- Added scenario tree structure/data definitions for 4-stage forestry …
- 5:15 PM Changeset [1314] by
- Fixed issue in printing final solution in PH when the number of …
- 5:03 PM Changeset [1313] by
- When the CPLEX license server is down, no solution file is (of course) …
Jun 15, 2009:
- 10:20 AM Changeset [1312] by
- Extending the Constraint(model.A, rule=f) constructor semantics. This …
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