Timeline


and

Feb 26, 2010:

10:54 PM Changeset [2406] by jwatson
More tweaks to the PH solver manager/servers.

Feb 25, 2010:

9:54 PM Changeset [2405] by jwatson
Restructuring of PySP to facilitate full implementation of PH solver …
11:58 AM Changeset [2404] by jwatson
Eliminated debug print statement from scenario tree class. Used new …
11:42 AM Changeset [2403] by jwatson
Added a utility method to compute the aggregate cost for a scenario, …
11:33 AM Changeset [2402] by jwatson
Added --all-scenarios option to PH solver server

Feb 24, 2010:

5:08 PM Changeset [2401] by jwatson
PH solver manager and servers now handle rho and weight/average update …
4:51 PM Changeset [2400] by wehart
Misc documentation updates.
1:36 PM Changeset [2399] by wehart
Adding a work-around when pstats cannot be imported.
1:34 PM Changeset [2398] by jwatson
Re-factoring the PH instance augmentation routines, moving them from …
12:17 AM Changeset [2397] by wehart
Initial rework of GUI. I have the options table working, and I'm …

Feb 23, 2010:

5:18 PM Changeset [2396] by jwatson
Added initial cut at a PH solver manager - only works for iteration 0 …
3:29 PM Changeset [2395] by wehart
Update due to changes with pyutilib.virtualenv.
1:09 PM Changeset [2394] by wehart
Disabling Pyro for now. There may be some problems installing this …

Feb 22, 2010:

7:18 PM Changeset [2393] by jwatson
Single-threading the ph solver server (for obvious reasons - don't …
5:25 PM Changeset [2392] by wehart
Adding a configuration for Coopr GUI development.
2:00 AM Changeset [2391] by wehart
Merged revisions 2366-2390 via svnmerge from …
2:00 AM Changeset [2390] by wehart
Merged revisions 2356-2389 via svnmerge from …
1:56 AM Changeset [2389] by wehart
Merged revisions 2354-2388 via svnmerge from …
1:54 AM Changeset [2388] by wehart
Merged revisions 2360-2387 via svnmerge from …
1:27 AM Changeset [2387] by wehart
Bug fix: needed to protect the use of ordered_dict_inv with the …
1:14 AM Changeset [2386] by wehart
Adding a work-around when FDT fails.
1:14 AM Changeset [2385] by wehart
Adding a work-around when importing 'bidict' fails. This occurs with …
12:54 AM Changeset [2384] by wehart
Updated coopr_install due to changes in pyutilib.virtual that check to …

Feb 21, 2010:

10:58 AM Changeset [2383] by jwatson
More buried presolve->preprocess name changes in the PySP EF writer.

Feb 19, 2010:

5:55 PM Changeset [2382] by wehart
Disabling tests that would rely on glpk, since that solver creates …
5:50 PM Changeset [2381] by wehart
Misc baseline updates.
5:45 PM Changeset [2380] by wehart
Augmenting parser to collect statistics for # of branch/bound nodes.
5:31 PM Changeset [2379] by wehart
Resolving a weakness in the pmedian.py data declaration. The facility …
5:17 PM Changeset [2378] by wehart
Specifying the symbols that are exported from convert.py
4:56 PM Changeset [2377] by wehart
Extending functionality of this script to allow it be run in any …
4:46 PM Changeset [2376] by wehart
Disabling a PH test that doesn't pass right now.
4:35 PM Changeset [2375] by jwatson
Fix to output message in scenario tree validation.
4:29 PM Changeset [2374] by jwatson
Added code to re-normalize node conditional probabilities following …
4:12 PM Changeset [2373] by jwatson
Allowing inputs to rhosetters to be either expressions or floats, not …

Feb 18, 2010:

2:55 PM Changeset [2372] by jwatson
Added PySP test to exercise node-based instance data
2:41 PM Changeset [2371] by jwatson
Fixed a missed "presolve"->"preprocess" call in PySP.
12:44 PM Changeset [2370] by jwatson
Changed sizes3 PySP baseline output to CPLEX 11.2, for cross-platform …

Feb 17, 2010:

8:11 PM Changeset [2369] by wehart
Adding functionality for ordered sets.
3:05 PM Changeset [2368] by wehart
Adding a 'test.coopr' script, which can be used as follows: …
1:44 PM Changeset [2367] by jwatson
Further updates of PySP baseline test output in response to changes in …
1:44 PM Changeset [2366] by wehart
Merged revisions 2361-2365 via svnmerge from …
1:38 PM Changeset [2365] by jwatson
More output sorting to ensure that tests pass!
1:27 PM Changeset [2364] by wehart
Bug fix when using glpk but not cplex.
1:00 PM Changeset [2363] by wehart
Updating baselines, which now used sorted output. Added sorting …
12:19 PM Changeset [2362] by wehart
Fix to run with glpk but not cplex.

Feb 16, 2010:

9:51 AM Changeset [2361] by wehart
Merged revisions 2317-2360 via svnmerge from …
9:51 AM Changeset [2360] by wehart
Merged revisions 2315-2359 via svnmerge from …

Feb 15, 2010:

10:26 PM Changeset [2359] by wehart
I. Renaming the 'presolve' phase in Pyomo to 'preprocess'. We'll …
8:46 PM Changeset [2358] by wehart
Tagging coopr.pysos 2.0.3
8:41 PM Changeset [2357] by wehart
Merged revisions 2318-2356 via svnmerge from …
8:28 PM Changeset [2356] by wehart
Merged revisions 2314-2355 via svnmerge from …
8:24 PM Changeset [2355] by wehart
Merged revisions 2313-2354 via svnmerge from …
8:22 PM Changeset [2354] by wehart
Merged revisions 2312-2353 via svnmerge from …
8:14 PM Changeset [2353] by wehart
Merged revisions 2311-2352 via svnmerge from …
7:37 PM Changeset [2352] by wehart
Setting up the configuration of CBC.
6:52 PM Changeset [2351] by wehart
Bug fix in coopr.plugins registration, due to change in module CBC to …
5:17 PM Changeset [2350] by wehart
Unfortunately, this file is being regenerated with path information. …
5:13 PM Changeset [2349] by wehart
Adding a hack to detect whether CBC has compiled-in support for AMPL …
3:49 PM Changeset [2348] by wehart
Bug fix due to typo.
3:44 PM Changeset [2347] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2346] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2345] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2344] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2343] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2342] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2341] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2340] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2339] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2338] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:44 PM Changeset [2337] by wehart
Extending definition of svn:ignore to include *.egg-info files.
3:42 PM Changeset [2336] by wehart
Misc documentation update.
3:37 PM Changeset [2335] by wehart
Misc fix to setup glpk suffixes that are parsed.
3:14 PM Changeset [2334] by wehart
Updating GLPK test to work when pico_convert is not available.
3:06 PM Changeset [2333] by wehart
Misc rework of tests when glpsol is available but not pico_convert.

Feb 14, 2010:

3:50 PM Changeset [2332] by wehart
Misc change in svn:ignore properties
3:49 PM Changeset [2331] by wehart
Misc change in svn:ignore property
3:47 PM Changeset [2330] by wehart
Setting directory properties to ignore *.pyc files. Reworking parser …

Feb 12, 2010:

1:27 PM Changeset [2329] by jwatson
Missed one usage of ScenarioTree? construct in recent migration of …
12:12 PM Changeset [2328] by jwatson
Changed ph option "enable-gc" to "disable-gc" - we've enabled gc by …
11:03 AM Changeset [2327] by jwatson
Added import of cPickle instead of pickle, if it exists.
11:03 AM Changeset [2326] by jwatson
Adding import of cPickle instead of pickle, if it exists.
10:34 AM Changeset [2325] by jwatson
Miscelleanous PH updates related to restructuring and tweaking of the …

Feb 11, 2010:

9:38 PM Changeset [2324] by jwatson
Passing additional argument (scenario tree instance) out of the …
9:31 PM Changeset [2323] by jwatson
Eliminated a lot of redundant arguments to the ScenarioTree?
9:17 PM Changeset [2322] by jwatson
Fixed import issue associated with ModelData? due to recent code …
9:04 PM Changeset [2321] by jwatson
Correcting grammatical error in output message.
9:03 PM Changeset [2320] by jwatson
A *very* early commit of a Pyro-based PH solver server - some of it …
1:49 PM Changeset [2319] by jwatson
Updating Pyro distribution from 3.9.1 to 3.10
11:34 AM Changeset [2318] by wehart
Merged revisions 2069-2317 via svnmerge from …
11:33 AM Changeset [2317] by wehart
Merged revisions 2246-2316 via svnmerge from …
11:33 AM Changeset [2316] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2245" from …
11:32 AM Changeset [2315] by wehart
Merged revisions 2232-2314 via svnmerge from …
11:32 AM Changeset [2314] by wehart
Merged revisions 2232-2313 via svnmerge from …
11:26 AM Changeset [2313] by wehart
Merged revisions 2234-2312 via svnmerge from …
11:26 AM Changeset [2312] by wehart
Merged revisions 2192-2311 via svnmerge from …
11:25 AM Changeset [2311] by wehart
Merged revisions 2232-2310 via svnmerge from …
12:38 AM Changeset [2310] by wehart
Generalizing parsing behavior for set strings.
12:06 AM Changeset [2309] by wehart
Misc edits, which preserve some data that I was playing with to …

Feb 10, 2010:

10:29 PM Changeset [2308] by wehart
Generalizing the suffix management in the MIP solvers so they match …
12:02 AM Changeset [2307] by wehart
Adding a test that is used to verify that data commands can include …

Feb 9, 2010:

10:58 PM Changeset [2306] by wehart
Adding tests for importing CSV files.
10:57 PM Changeset [2305] by wehart
Adding CSV data files for the tutorial.
10:51 PM Changeset [2304] by wehart
Renaming csv.py to csv_table.py The former filename masked the system …
10:50 PM Changeset [2303] by wehart
Adding a plugin for reading CSV files.
10:25 PM Changeset [2302] by wehart
Adding tests for loading sets and parameters from spreadsheets.
9:14 PM Changeset [2301] by jwatson
Performance improvements to PH obtained by processing scenario …
9:05 PM Changeset [2300] by jwatson
Removing PySP cap example EF to free up space.
9:04 PM Changeset [2299] by jwatson
Removing a big network flow EF
9:03 PM Changeset [2298] by jwatson
Removing output logs for PySP network flow example
8:59 PM Changeset [2297] by jwatson
The extensive forms in the PySP forestry example were massive - and …
8:56 PM Changeset [2296] by jwatson
Removing monster-sized LP file from the PySP forestry examples directory.
6:23 PM Changeset [2295] by wehart
Reworking tests to do basic evaluation of the interface to Excel …
4:25 PM Changeset [2294] by jwatson
Added two Python scripts that I've been using to launch and kill a set …
4:22 PM Changeset [2293] by wehart
Bug fix for dealing with MS Windows filenames.
2:21 PM Changeset [2292] by wehart
Rework of the 'import' semantics. This supports a simple import …

Feb 8, 2010:

9:23 PM Changeset [2291] by jwatson
Miscellaneous fix to ef writer involving indexed cost variables
9:22 PM Changeset [2290] by jwatson
Initial commit of multi-stage capacity expansion problem in PySP
5:13 PM Changeset [2289] by wehart
Setting up 'import' tests for the other simple examples. These seem to …
3:32 PM Changeset [2288] by jwatson
Significant initialization speed reductions in the WW PH extension for …
2:12 PM Changeset [2287] by wehart
Adding a script to test the parser.
1:57 PM Changeset [2286] by wehart
Eliminating some debugging IO.
1:48 PM Changeset [2285] by wehart
Working through more examples of the 'import' command.
1:42 PM Changeset [2284] by jwatson
Fix to CPLEX plugin relating to suffix processing - working on a …
1:28 PM Changeset [2283] by jwatson
Added suffix option to pyomo script, to enable specification of …
1:27 PM Changeset [2282] by jwatson
Adding propagation of the suffixes solver attribute to the pyro mip servers
1:26 PM Changeset [2281] by jwatson
Adding a suffixes attribute to the base solver class. This is a list …
1:26 PM Changeset [2280] by jwatson
Adding a suffixes attribute to the base solver class. This is a list …
8:07 AM Changeset [2279] by wehart
Adding support for a basic 'import' command.

Feb 7, 2010:

3:06 PM Changeset [2278] by wehart
A major rework of the parsing of data command files (formerly known as …
1:30 AM Changeset [2277] by jwatson
Fixed problem with runph --profile option, broken by my recent …

Feb 6, 2010:

3:46 PM Changeset [2276] by wehart
Updating coopr_install due to recent changes in pyutilib.virtualenv. …
3:45 PM Changeset [2275] by jwatson
Testing improvements. From lpython, the tests run individually just …
10:13 AM Changeset [2274] by wehart
Added the 'include' command, which can include other *.dat files. …

Feb 5, 2010:

7:39 PM Changeset [2273] by wehart
Updating naming of CoinBazaar? projects. Although the user specifies …
6:59 PM Changeset [2272] by jwatson
Various fixes to PySP unit tests. Changing name of testphextension to …
6:20 PM Changeset [2271] by jwatson
Making unit tests for PySP compatible with coverage utilities. Farmer …
6:01 PM Changeset [2270] by jwatson
PySP tests need absolute output paths!
5:46 PM Changeset [2269] by jwatson
Added SIZES3 PySP test and added absolute paths to "runph" script.
5:25 PM Changeset [2268] by wehart
A fix to the tests.
5:09 PM Changeset [2267] by jwatson
Initial PySP unit tests!!!
12:59 PM Changeset [2266] by wehart
Adding an AMPL converter, which runs AMPL to convert *.mod files to …
10:23 AM Changeset [2265] by wehart
Extending the Pyomo converter to allow the conversion of both Pyomo …
10:20 AM Changeset [2264] by wehart
Misc rework of the scripting modules. These changes allow this …
10:18 AM Changeset [2263] by wehart
Misc rework of the converter utility to recognize that *.py files have …

Feb 4, 2010:

11:54 PM Changeset [2262] by jwatson
Minor improvement to phinit functionality.
11:46 PM Changeset [2261] by jwatson
Renaming ph_script module to phinit, which is more accurate with the …
11:44 PM Changeset [2260] by jwatson
Refactoring of ph initialization routines to support sampling and bundling.
10:58 AM Changeset [2259] by wehart
Adding new termination conditions. Fixing problem setting up testing …
1:33 AM Changeset [2258] by wehart
Adding a subpackage for optimization-specific testing tools. …
12:45 AM Changeset [2257] by wehart
Augmenting the SolverResults? logic to support default values. This …
12:18 AM Changeset [2256] by jwatson
Major speed improvements in the EF writer by avoiding Python …

Feb 3, 2010:

11:38 PM Changeset [2255] by jwatson
Re-factoring of PH options parser code to accomodate MRP work being …
11:09 PM Changeset [2254] by jwatson
Changed PyomoModelData? call from add_data_mumble() to add().
3:57 PM Changeset [2253] by wehart
Changes due to termination condition refinement
3:57 PM Changeset [2252] by wehart
Changes due to termination condition refinement
3:56 PM Changeset [2251] by wehart
Changes due to refinement of termination condition management Bug fix …
3:42 PM Changeset [2250] by wehart
Update to descriptions of solver status and associted termination …
11:28 AM Changeset [2249] by jwatson
Misc fixes.
10:44 AM Changeset [2248] by jwatson
Adding os.path.expanduser wrappers around all directory/filenames, to …

Feb 1, 2010:

11:46 PM Changeset [2247] by wehart
Documentation fix.
11:10 PM Changeset [2246] by wehart
Tagging coopr.pysp release 2.2
10:10 PM Changeset [2245] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2231" from …
10:10 PM Changeset [2244] by wehart
Tagging coopr.pyomo 2.3 release
10:08 PM Changeset [2243] by wehart
Merged revisions 2230-2242 via svnmerge from …
10:08 PM Changeset [2242] by wehart
Documentation update.
9:47 PM Changeset [2241] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2231" from …
9:47 PM Changeset [2240] by wehart
Tagging the coopr.plugins 2.3 release
9:44 PM Changeset [2239] by wehart
Merged revisions 2231-2238 via svnmerge from …
9:44 PM Changeset [2238] by wehart
Update of changelog.
9:38 PM Changeset [2237] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2233" from …
9:38 PM Changeset [2236] by wehart
Tagging coopr.opt 2.3 release
9:35 PM Changeset [2235] by wehart
Merged revisions 2229-2234 via svnmerge from …
9:34 PM Changeset [2234] by wehart
Updating changelog.
9:15 PM Changeset [2233] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2231" from …
9:14 PM Changeset [2232] by wehart
Tagging coopr.colin 2.2 release
4:58 PM Changeset [2231] by wehart
Merged revisions 2206-2230 via svnmerge from …
4:58 PM Changeset [2230] by wehart
Merged revisions 2208-2229 via svnmerge from …
4:57 PM Changeset [2229] by wehart
Merged revisions 2205-2228 via svnmerge from …
4:49 PM Changeset [2228] by jwatson
Final fix to LP writer to (optionally) account for the models in which …
4:40 PM Changeset [2227] by wehart
This is a major rework of the ModelData? logic. I've extracted the …
12:27 AM Changeset [2226] by wehart
Removing some debugging IO.
12:23 AM Changeset [2225] by wehart
Bug fix: don't copy files with value None
12:21 AM Changeset [2224] by wehart
Updating mock info for ASL.
12:17 AM Changeset [2223] by wehart
Misc updtes.
12:16 AM Changeset [2222] by wehart
Misc.
12:13 AM Changeset [2221] by wehart
Updates due to changes in as_expr() syntax.
12:13 AM Changeset [2220] by wehart
Preliminary implementation of the ASL solver interface.
12:13 AM Changeset [2219] by wehart
Bug fix: verify that soln_file is not None before using it.
12:11 AM Changeset [2218] by wehart
Reworking the symbol_map generated for the NL file. Fixing the use of …

Jan 31, 2010:

11:48 PM Changeset [2217] by wehart
Update to NL file writer, after recent changes in the canonical …
11:03 PM Changeset [2216] by wehart
Bug fix: missing import
10:48 PM Changeset [2215] by wehart
Creating an ASL solver interface for optimizers based on the ASL …
4:44 PM Changeset [2214] by wehart
Reworking the canonical expression definition to include a dictionary …
1:03 AM Changeset [2213] by wehart
Adding the ability to process multiple *.dat files on the Pyomo …

Jan 30, 2010:

10:20 PM Changeset [2212] by jwatson
Supressing warm start file write time output in the CPLEX plugin …
10:17 PM Changeset [2211] by jwatson
Suppressing warning for "constant constraint" when writing LP files - …
10:11 PM Changeset [2210] by jwatson
Additional minor fixings to make new LP writer work with PH - which it …
7:01 PM Changeset [2209] by jwatson
Fix to new LP writer to output variable label, instead of name. The …
12:49 AM Changeset [2208] by wehart
Merged revisions 2194-2207 via svnmerge from …
12:46 AM Changeset [2207] by wehart
Merged revisions 2192-2206 via svnmerge from …
12:46 AM Changeset [2206] by wehart
Merged revisions 2195-2205 via svnmerge from …
12:38 AM Changeset [2205] by wehart
Merged revisions 2196-2204 via svnmerge from …
12:37 AM Changeset [2204] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2202" from …
12:37 AM Changeset [2203] by wehart
Creating the coopr.colin 2.2 stable branch.
12:05 AM Changeset [2202] by wehart
Updating import for the PCA.

Jan 29, 2010:

7:38 PM Changeset [2201] by wehart
Update to Coopr to account for changes in PyUtilib? package names.
5:22 PM Changeset [2200] by jwatson
Supressing warning output if variable lower and upper bounds are equal …
9:57 AM Changeset [2199] by jwatson
Fixed linearization issue in PH when a variable lower and upper bounds …

Jan 28, 2010:

5:54 PM Changeset [2198] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2191" from …
5:54 PM Changeset [2197] by wehart
Adding a 2.2 stable branch for coopr.misc
5:53 PM Changeset [2196] by wehart
Merged revisions 2112-2195 via svnmerge from …
5:52 PM Changeset [2195] by wehart
Merged revisions 2112-2194 via svnmerge from …
5:52 PM Changeset [2194] by wehart
Merged revisions 2112-2193 via svnmerge from …
5:51 PM Changeset [2193] by wehart
Update due to changes in Pyomo core infrastructure.
5:48 PM Changeset [2192] by wehart
Merged revisions 2112-2191 via svnmerge from …
11:26 AM Changeset [2191] by wehart
Updating virtualenv Adding support for Coin Bazaar (which hasn't been …

Jan 27, 2010:

10:27 PM Changeset [2190] by wehart
Adding a plugin to manage parsing of IO to support interaction with Dakota.
9:28 PM Changeset [2189] by wehart
Misc cleanup.
9:14 PM Changeset [2188] by wehart
Rework of the COLIN OptProblem? IO management to support IO plugins.
7:40 PM Changeset [2187] by wehart
A draft NLOPT solver.
7:39 PM Changeset [2186] by wehart
Renaming results_attributes to results_schema.
6:11 PM Changeset [2185] by wehart
Updating the virtual Python configurations to include coopr.colin
5:53 PM Changeset [2184] by wehart
Renaming this examples directory, and editing the test scripts.
5:50 PM Changeset [2183] by wehart
Reworking the coopr.colin code so it passes the tests.
5:39 PM Changeset [2182] by wehart
Removing colin stuff from coopr.opt.
5:34 PM Changeset [2181] by wehart
Segregating the set-cover FDT heuristic (which doesn't work right now).
5:29 PM Changeset [2180] by wehart
More reorgs
5:28 PM Changeset [2179] by wehart
Reorg
5:26 PM Changeset [2178] by wehart
Other reorgs…
5:25 PM Changeset [2177] by wehart
Directory rename.
5:24 PM Changeset [2176] by wehart
Misc edits to the new coopr.colin package.
12:34 PM Changeset [2175] by wehart
Creating coopr.colin. Initially, this is a branch of coopr.opt, but …
12:31 PM Changeset [2174] by wehart
Adding a hook for specifying the format for reading/writing IO formats.
12:23 PM Changeset [2173] by wehart
Misc edits.
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