Timeline


and

Sep 29, 2009:

5:25 PM Changeset [1719] by jwatson
Fixed minor bug relating to read of variable and non-zero counts under …
5:03 PM Changeset [1718] by jwatson
Switched default CBC input file format to CPXLP, primarily because the …
12:31 PM Changeset [1717] by wehart
Merged revisions 1692-1715 via svnmerge from …
12:29 PM Changeset [1716] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-1690" from …

Sep 28, 2009:

11:09 AM Changeset [1715] by jwatson
Added an "ord" method for sets, to compute the positional index of an …
9:58 AM Changeset [1714] by jwatson
Re-did the pysp CHILE forestry example with label-based time stages, …
9:43 AM Changeset [1713] by jwatson
Miscelleanous cleanup - with CHILE2 pysp forestry example …

Sep 26, 2009:

9:29 PM Changeset [1712] by jwatson
Added more instances of the pysp network flow test problem.
7:09 PM Changeset [1711] by jwatson
Forgot to add ReferenceModel?.py in the network flow restructure. …

Sep 25, 2009:

6:02 PM Changeset [1710] by dlwoodr
I'm going to quit looking for little mistakes now so as to avoid …
5:59 PM Changeset [1709] by dlwoodr
fix a few errors
5:31 PM Changeset [1708] by dlwoodr
spell check, better formatting for sizes {verbatim} example files
5:29 PM Changeset [1707] by dlwoodr
self.InitialMipGap? = 0.10 --This line, and those below, will be …
4:35 PM Changeset [1706] by dlwoodr
add the data files and update the reference model to use continuation lines
4:12 PM Changeset [1705] by jwatson
Restructuring of pysp network flow example.
2:41 PM Changeset [1704] by dlwoodr
better wwph.cfg for the sizes tutorial
2:12 PM Changeset [1703] by dlwoodr
Fix the errors in pyspbody.tex; there are still some overflows in file …
12:29 PM Changeset [1702] by jwatson
Fixed minor issue with latest WW PH checkin.
12:23 PM Changeset [1701] by jwatson
Missed pyspbody.tex in some previous check-in. Whoops.

Sep 24, 2009:

11:29 PM Changeset [1700] by dlwoodr
add a parameter to allow multiple PH iterations between cycle induced slams
6:18 PM Changeset [1699] by jwatson
Fixed one-d index-versus-tuple issue in another location (isolated to …
4:02 PM Changeset [1698] by jwatson
Changing the order of valid CBC problem formats from MPS-NL-CPXLP to …
12:52 PM Changeset [1697] by jwatson
Fixed a bug in index-template matching occuring in one-dimensional …
12:03 PM Changeset [1696] by jwatson
On David's advice, simply threshold mipgap in the WW PH extension to a …
11:04 AM Changeset [1695] by jwatson
Modified the WW PH extension to (1) threshold the mipgap to 1.0, the …

Sep 23, 2009:

4:37 PM Changeset [1694] by jwatson
Inverted the order in which cycles are detected in the WW PH extension …
3:21 PM Changeset [1693] by jwatson
Fixed an issue in the WW PH extension involving variable slamming. …
11:03 AM Changeset [1692] by jwatson
Promoted the efwriter to a full script, stored in coopr/scripts. …
10:57 AM Changeset [1691] by wehart
Reconstituting the Coopr 1.2 stable branch.
10:56 AM Changeset [1690] by jwatson
Added ef writer option to forestry PH driver.
10:54 AM Changeset [1689] by wehart
Removing Coopr stable 1.2. The recent changes were significant …
10:21 AM Changeset [1688] by jwatson
Fixed variables weren't being output - for volume supression - at each …
1:09 AM Changeset [1687] by wehart
Adding documentation for using coopr_install.

Sep 22, 2009:

5:04 PM Changeset [1686] by jwatson
Flushed out option display in PH.
3:43 PM Changeset [1685] by jwatson
Fixed a minor import warning issue in CPLEX.py, and tweaked some …
1:24 PM Changeset [1684] by jwatson
Corrected issue in CPLEX warm-start file write that arose in the last …
12:24 PM Changeset [1683] by jwatson
Added line to pyomo library to import coopr.opt - required for solver …
12:04 PM Changeset [1682] by dlwoodr
Minor edits
11:47 AM Changeset [1681] by jwatson
Enhanced PySP convergence detection classes to return "True" if all …
2:38 AM Changeset [1680] by wehart
A complete first draft of the Coopr plugins report.

Sep 21, 2009:

6:36 PM Changeset [1679] by wehart
Misc reformatting, to more clearly document the IOptSolver interface.
6:35 PM Changeset [1678] by wehart
Flushing out an example for Coopr for Coopr's plugins. Misc …
5:41 PM Changeset [1677] by wehart
Refactor code to allow for a simple discussion of this example in the …
5:28 PM Changeset [1676] by wehart
Typo fix.
5:27 PM Changeset [1675] by wehart
Adding a solver.py example to illustrate a simple solver plugin. …
11:37 AM Changeset [1674] by wehart
Update to include plugins.pdf in the coopr/pub directory.
11:25 AM Changeset [1673] by wehart
Adding text for a new SAND report that describes how to use plugins …
6:47 AM Changeset [1672] by wehart
Adding a skeleton for a Coopr Plugins document.

Sep 20, 2009:

11:55 PM Changeset [1671] by wehart
Bug fix.
6:52 PM Changeset [1670] by wehart
Various updates: 1. Rework of CBC parser to handle infeasiblility …
3:50 PM Changeset [1669] by wehart
Various fixes to eliminate errors in the generation of NL files. There …
2:59 PM Changeset [1668] by wehart
Removing depricated functionality
11:50 AM Changeset [1667] by wehart
Ignoring *.pyc files.
11:49 AM Changeset [1666] by wehart
Explicitly omitting the coopr.opt import here. This is import in …
11:48 AM Changeset [1665] by wehart
More verbose error output for conversion failures. Allow the …
11:47 AM Changeset [1664] by wehart
Migration of Pyomo imports into the methods that require them. This …
11:45 AM Changeset [1663] by wehart
Misc changes in test that reflect (a) the move of coopr.core to …
1:30 AM Changeset [1662] by wehart
Adding options for specifying that a Coopr Forum package should be …

Sep 19, 2009:

10:40 PM Changeset [1661] by jwatson
Fixed bug in weight update computation introduced when I switched to …
10:32 PM Changeset [1660] by jwatson
Eliminated subproblem cpu timelimit keyword from PH. CPLEX isn't …
10:26 PM Changeset [1659] by jwatson
Fixes to pysp PH modules and the pyomo main script to account for …

Sep 18, 2009:

6:21 PM Changeset [1658] by jwatson
Misc debug fixes to PH (output-related). Update of drivers.
6:17 PM Changeset [1657] by wehart
Removing coopr.opt-depricated, and renaming coopr.core to coopr.opt. …
5:58 PM Changeset [1656] by wehart
Renaming coopr.core to coopr.opt
5:58 PM Changeset [1655] by wehart
A first step towards depricating coopr.opt.
5:50 PM Changeset [1654] by wehart
Removed merge tracking for "svnmerge" for …
5:50 PM Changeset [1653] by wehart
Merged revisions 1632-1652 via svnmerge from …
5:49 PM Changeset [1652] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-1631" from …
5:48 PM Changeset [1651] by wehart
Misc cleanup…
5:47 PM Changeset [1650] by wehart
Still working on getting svnmerge to work…
5:45 PM Changeset [1649] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-1645" from …
5:45 PM Changeset [1648] by wehart
Misc
5:42 PM Changeset [1647] by wehart
Preparing for a merge from the ns_dev branch.
5:18 PM Changeset [1646] by jwatson
Added asynchronous PH core algorithm and a driver for the farmer …
5:12 PM Changeset [1645] by wehart
A reorg of Coopr to use namespace packages: coopr and coopr.plugins …
3:33 PM Changeset [1644] by jwatson
Forgot WW PH suffix file for forestry example.
3:16 PM Changeset [1643] by jwatson
Changes to pysp examples - configuration-only.
3:15 PM Changeset [1642] by dlwoodr
minor comma and quote fixes
3:14 PM Changeset [1641] by dlwoodr
change to a separate body
1:03 PM Changeset [1640] by wehart
Adding top-level document for Pyomo getting started example.
1:01 PM Changeset [1639] by wehart
Other updates, to segregate the Pyomo 'getting started' manual.
12:53 PM Changeset [1638] by wehart
Update - Only include the published documents.
12:49 PM Changeset [1637] by wehart
Renaming the 'papers' directory to 'pub'.
12:45 PM Changeset [1636] by wehart
Renaming bibliography files.
12:45 PM Changeset [1635] by wehart
Misc documentation updates.
11:01 AM Changeset [1634] by jwatson
Fixed run-time issue when no slamming priorities are specified in the …
1:01 AM Changeset [1633] by wehart
Merged revisions 1576-1631 via svnmerge from …
12:49 AM Changeset [1632] by wehart
Creating a branch of the Coopr trunk to test the development of new …

Sep 17, 2009:

11:28 PM Changeset [1631] by wehart
Misc documentation update
11:14 PM Changeset [1630] by wehart
Bug fix for the --update option.
11:07 PM Changeset [1629] by wehart
Update, to add other directories to the Coopr installation.
10:59 PM Changeset [1628] by jwatson
Fixed string->index translation when tuples are nested within tuples, …
6:46 PM Changeset [1627] by wehart
Update to include coopr_install in a Coopr installation.
5:36 PM Changeset [1626] by jwatson
Added "isImproving" method to converger class, and used it in …
5:33 PM Changeset [1625] by wehart
Updates to support a more natural semantics for '--update'. Now, a …
5:27 PM Changeset [1624] by jwatson
CPLEX.py: Eliminated some debug output. wwphextension.py: Integrated …
4:42 PM Changeset [1623] by wehart
Moving the coopr_install script out of coopr/scripts. The …
4:38 PM Changeset [1622] by wehart
Misc updates. Working towards a revision of the semantics of --update.
4:02 PM Changeset [1621] by jwatson
Modified PH to support parallelism!!!! (parallel sync).
3:47 PM Changeset [1620] by wehart
Adding '--dev' option. This checkouts out 'development' packages for …
1:38 PM Changeset [1619] by jwatson
Non-functional change to PH to introduce solver managers - default is …
1:07 PM Changeset [1618] by wehart
Adding a '--dev' option, which checks out packages in 'developer' mode.

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 - …
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