Timeline


and

Sep 16, 2009:

10:53 PM Changeset [1617] by jwatson
Modified PH to support variable (and index- and scenario-) specific …
4:20 PM Changeset [1616] by jwatson
Adding Stochastic Service Network Design problem …
3:24 PM Changeset [1615] by jwatson
Working on pysp network flow example - adding configuration file and …
12:24 PM Changeset [1614] by jwatson
Adding continuous variables to CPLEX MIP warm-start files; depending …
11:25 AM Changeset [1613] by wehart
Removing test_solve5. This is really too slow for regular testing.
10:31 AM Changeset [1612] by jwatson
Added optional output of solver logs (using recently …

Sep 15, 2009:

11:21 PM Changeset [1611] by jwatson
Cleaned up CPLEX log-file removal operations - a lot of old code was …
6:56 PM Changeset [1610] by wehart
If the summation results in no expression being generated then return …
6:29 PM Changeset [1609] by jwatson
Added initial warm-start capability for MIPs via CPLEX solver interface.
11:24 AM Changeset [1608] by jwatson
Forgot to check-in my "tupleization" code in phutils.py.
10:29 AM Changeset [1607] by jwatson
Simplified code involving construction of stage cost variables in the …
1:17 AM Changeset [1606] by wehart
Giving GLPK 5 minutes to finish this test problem. This is too long …
12:56 AM Changeset [1605] by wehart
Removed reference to SubprocessMngr?.

Sep 14, 2009:

10:55 PM Changeset [1604] by jwatson
Update of pysp examples to use variable slicing for blending …
10:54 PM Changeset [1603] by jwatson
Major re-work of process of specifying non-anticipativity constraints …
5:19 PM Changeset [1602] by jwatson
To facilitate time discounting of money, changed CHILE2 pysp forestry …
4:27 PM Changeset [1601] by wehart
Adding the 'shell' option.
4:09 PM Changeset [1600] by jwatson
Update of suffix file in DAVIS forestry example to be consistent with …
4:08 PM Changeset [1599] by jwatson
When defining suffix values for the WW PH extension, we now disallow …
11:28 AM Changeset [1598] by wehart
Extended the timelimit for a glpk test.
11:21 AM Changeset [1597] by wehart
Bug fix. Creating default value for 'tee' option.

Sep 12, 2009:

5:53 PM Changeset [1596] by wehart
Various changes to itegrate everything into the Coopr User manual.
3:47 PM Changeset [1595] by wehart
Misc reorg of Coopr documentation.
1:08 AM Changeset [1594] by wehart
Adding '--stream-output' option to allow output files to stream to …

Sep 11, 2009:

6:46 PM Changeset [1593] by jwatson
Some fairly big PySP changes to handle variable slicing, e.g., …
3:29 PM Changeset [1592] by wehart
Rework of solver-execution, to use the PyUtilib? run_command. This …
12:19 PM Changeset [1591] by jwatson
Further tweaks on the PySP forestry formulation.
10:05 AM Changeset [1590] by jwatson
Strengthening the pysp forestry formulation.
1:08 AM Changeset [1589] by wehart
Added some verbage about the scope of this document.
1:06 AM Changeset [1588] by wehart
This is a first stab at a Pyomo reference manual.
12:36 AM Changeset [1587] by wehart
Another reorg of the documentation. I've put pysp documentation in …
12:29 AM Changeset [1586] by wehart
Misc reorg of documentation.

Sep 10, 2009:

6:38 PM Changeset [1585] by jwatson
Added "zero divergence condition" constraint to forestry model - …
4:46 PM Changeset [1584] by jwatson
Added Iteration0MipGap parameter to WW PH extensions - we typically …
4:14 PM Changeset [1583] by jwatson
Update of pysp documentation.
3:41 PM Changeset [1582] by jwatson
Update of WW PH extension plugin, based on Woodruff's latest edits. …
2:54 PM Changeset [1581] by jwatson
Fixed issue in CPLEX log file reader for versions 11.2 and higher; the …

Sep 9, 2009:

3:32 PM Changeset [1580] by jwatson
Adding validated version of new Chile forestry pysp data - …

Sep 8, 2009:

10:38 PM Changeset [1579] by jwatson
Minor bug-fix to WW PH extension relating to suffixes - try a cast to …

Sep 7, 2009:

10:16 PM Changeset [1578] by jwatson
Fixes to suffix-loading code for WW PH extensions.

Sep 6, 2009:

10:29 PM Changeset [1577] by jwatson
Added code to read suffix extensions for WW PH extensions.

Sep 3, 2009:

11:34 AM Changeset [1576] by jwatson
Found parameterization of PH on finance example that yields reasonable …

Sep 2, 2009:

5:27 PM Changeset [1575] by wehart
Adding Coopr 1.1 distribution artifacts.
5:03 PM Changeset [1574] by wehart
Merged revisions 1572 via svnmerge from …
5:02 PM Changeset [1573] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-1570" from …
5:01 PM Changeset [1572] by wehart
Update revision info in Coopr trunk.
4:55 PM Changeset [1571] by wehart
Creating the Coopr 1.2 stable branch.
4:54 PM Changeset [1570] by wehart
Creating the Coopr 1.1 release.
4:50 PM Changeset [1569] by wehart
Creating the Coopr 1.1 distribution directory.
3:57 PM Changeset [1568] by jwatson
EFs for the CHILE and DAVIS forestry planning instances.
12:01 PM Changeset [1567] by jwatson
Added WW PH configuration file to DAVIS forestry example.
11:54 AM Changeset [1566] by jwatson
Modified the WW PH extension to presolve each instance in PH after …
11:23 AM Changeset [1565] by jwatson
Fixed a subtle bug in the EF writer that occurs only when a strict …

Sep 1, 2009:

9:38 PM Changeset [1564] by wehart
Merged revisions 1521-1522,1545-1546,1552-1554,1561 via svnmerge from …
6:54 PM Changeset [1563] by jwatson
Checking in Woodruff's latest updates to the WW PH plugin.
11:10 AM Changeset [1562] by jwatson
Various tweaks/minor edits to the solver drivers for pysp test cases.
12:51 AM Changeset [1561] by wehart
Eliminating warnings/errors in the setup.py manifest.
12:02 AM Changeset [1560] by jwatson
Fix to ph, when blending over unused variables - which shouldn't be …

Aug 31, 2009:

10:40 PM Changeset [1559] by jwatson
Moved EF writer routine, after validation, into the pysp core library.
10:30 PM Changeset [1558] by jwatson
Fixed bug in PH for nodes other than the root, in which the node …
4:51 PM Changeset [1557] by jwatson
Forgot to commit a minor fix relating to indexing in the scenario tree …
4:49 PM Changeset [1556] by jwatson
Adding PH driver for financial planning example.
4:41 PM Changeset [1555] by jwatson
Stochastic version of Birge/Louveaux?'s financial planning problem.
12:52 PM Changeset [1554] by wehart
Bug fix.
12:43 PM Changeset [1553] by wehart
Fix to parsing of ilm output when server is down.
12:30 PM Changeset [1552] by wehart
Adding hook to test if the ILM token server is down.
10:46 AM Changeset [1551] by jwatson
Commit of deterministic version of Birge/Louveaux?'s financial planning …

Aug 30, 2009:

12:59 PM Changeset [1550] by jwatson
Improved the ef writer to account for indexed cost variables - …

Aug 28, 2009:

11:56 PM Changeset [1549] by jwatson
Added capability of EF writer to ignore unused variables - causing …
10:37 PM Changeset [1548] by jwatson
Various fixes and enhancements to the extensive-form writer, including …
3:15 PM Changeset [1547] by jwatson
Added option to PH to suppress output of continuous variable …
11:49 AM Changeset [1546] by jwatson
Fixed an issue with the CPLEX solver relating to solver options, which …
11:08 AM Changeset [1545] by jwatson
Shortened names of constraints when writing LP file format. The names …
10:53 AM Changeset [1544] by jwatson
Created relaxed version of the DAVIS forestry instance, to examine PH …

Aug 24, 2009:

4:55 PM Changeset [1543] by jwatson
Fixed multi-stage issue in EF writer - now works on forestry …
12:22 AM Changeset [1542] by jwatson
Fixed bug in ef writer relating to indexing and blending variables in …

Aug 23, 2009:

10:43 PM Changeset [1541] by jwatson
Fixes to ef writer to accomodate forestry 2-stage problem.
8:19 PM Changeset [1540] by jwatson
More extensions/fixes to EF writer. Works correctly on farmer and sizes.

Aug 21, 2009:

11:29 PM Changeset [1539] by jwatson
PH EF writer successfully completes and checks out on farmer example.
6:40 PM Changeset [1538] by jwatson
Further improvements to efwriter (and supporting changes to …
3:48 PM Changeset [1537] by jwatson
Modified WW PH extension logic relating to cycle detection - if the …
11:18 AM Changeset [1536] by jwatson
Improved output messages in ww ph extension.
10:36 AM Changeset [1535] by jwatson
In the WW PH extension, added the ability to over-ride (via Python's …

Aug 20, 2009:

11:07 PM Changeset [1534] by jwatson
Various fixes/edits to the WW PH extension, various testing changeds …
6:19 PM Changeset [1533] by jwatson
Promoting our "test" PH extension to full "WW" (watson-woodruff) …

Aug 19, 2009:

6:25 PM Changeset [1532] by jwatson
Added post-ph callback (after everything has executed) to the PH …
2:09 PM Changeset [1531] by jwatson
Added a "parent variable" attribute to _VarVal, which is necessary …
12:55 PM Changeset [1530] by jwatson
Fixed bug in formation of PH weighted objectives. We were checking for …
12:14 PM Changeset [1529] by jwatson
More bug fixes / enhancements to extensive form writer in pysp.

Aug 18, 2009:

6:03 PM Changeset [1528] by jwatson
Preliminary (interim) commit of extensive-form writer in pysp. …
1:26 PM Changeset [1527] by jwatson
Created phtuils module, and placed indexToString functions there.
1:14 PM Changeset [1526] by jwatson
Added utility to PH to count total number of discrete and continuous …
12:47 PM Changeset [1525] by jwatson
Improvements to forestry PH extension, including continuous variable …
11:45 AM Changeset [1524] by jwatson
Modification of ph pretty-print output, to eliminate redundant output …

Aug 17, 2009:

6:25 PM Changeset [1523] by jwatson
Fixed a problem with maximization and weight "senses" in ph.py - this …
2:13 PM Changeset [1522] by jwatson
Fixed issue with solution parsing in the case of two or …
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