Timeline


and

08/28/15: Today

08:47 Ticket #4610 (Should be a simple fix: 'module' object has no attribute 'strip') closed by gahacke
fixed
08:46 Changeset [10689] by gahacke
removing reference to deprecated "string" module function in CBCplugin …

08/27/15: Yesterday

12:59 Ticket #4610 (Should be a simple fix: 'module' object has no attribute 'strip') created by ztang484@…
#=========================== # The module import string, but it does not …
09:36 Changeset [10688] by gahacke
Further fixes to pyro_mip_server: - Adding shutdown capabilities to the …

08/26/15:

14:10 Changeset [10687] by gahacke
snapshotting more work on PySP scripting API
14:08 Changeset [10686] by gahacke
updating expensive PySP test baselines after big fix related to unfixing …
14:07 Changeset [10685] by gahacke
Moving more experimental MatrixConstraint? code into beta subdirectory in …

08/25/15:

15:13 Changeset [10684] by gahacke
snapshotting more work on new pysp API
15:09 Changeset [10683] by gahacke
forgot to preprocess scenarios before a post-ph ef solve where the …
15:06 Changeset [10682] by gahacke
forgot to unfix variables after xhat solves
15:05 Changeset [10681] by gahacke
updates to pyro_mip_server following recent pyutilib changes, it is better …
09:17 Changeset [10680] by jwatson
Adding output of solver message to warning output, when loading a results …

08/24/15:

11:59 Changeset [10679] by jdsiiro
Cleaning up the header manipulation so that receiving the headers in a …
10:00 Changeset [10678] by jdsiiro
Fixing typos from r10643 (syntax errors).
09:37 Changeset [10677] by jdsiiro
Fixing typo from r10643 (syntax error).
09:13 Changeset [10676] by jdsiiro
Propagating the defensive programming guard from r9721 (gurobi) and r10675
09:03 Changeset [10675] by jdsiiro
Fully suppressing any attempt to import glpk. The GLPKDirect interface …

08/23/15:

08:13 Changeset [10674] by dlwoodr
The test for whether to check for fixing now includes a test to avoid …

08/22/15:

15:58 Changeset [10673] by dlwoodr
The ph._reported_outer_bound value was ignoring the trivial bound, so if …
14:02 Changeset [10672] by dlwoodr
There is an undocumented feature to --xhat-method=file.suffixes, where …

08/21/15:

17:44 Changeset [10671] by dlwoodr
I moved the _parse_yaml function out of the ww object because I want to …
15:13 Changeset [10670] by dlwoodr
fixed a major, hideous bug in the code to compute xhat. It was using max() …
13:33 Changeset [10669] by gahacke
applying improvements made to phsolverserver based on pyutilib.pyro …
10:58 Changeset [10668] by gahacke
fixing shutdown behavior in phpyro solver manager, forgot to check the …
10:41 Changeset [10667] by gahacke
fixes to ensure Pyro (or Pyro4) is not a requirement

08/19/15:

20:39 Changeset [10666] by gahacke
hack to get --create-random-bundles working with phpyro again. This will …
19:54 Changeset [10665] by jwatson
Adding reporting of pyomo "solve()" time statistics to PH, to aid in …
19:53 Changeset [10664] by jwatson
Adding tracking and reporting of the full pyomo "solve()" method …
12:33 Ticket #4609 (Can we create a "zoo" of curated examples?) created by dlalders@…
I would like to propose the creation of a user-contributed repository of …
01:05 Changeset [10663] by gahacke
fixes to runbenders script following recent changes
00:46 Changeset [10662] by gahacke
fix to phsolverserver shutdown procedure. workers should be shutdown after …
00:27 Changeset [10661] by gahacke
Updates following changes in pyutilib.pyro: - Redesigning phpyro server …

08/16/15:

16:30 Changeset [10660] by gahacke
fixing defaults for scenario tree random seed to None. Also resetting the …
16:15 Changeset [10659] by gahacke
adding unit tests for new scenario tree manager in pysp
16:10 Changeset [10658] by gahacke
fixing CPLEXPersistent plugin: symbol_map needs to be readded to instances …

08/15/15:

17:00 Changeset [10657] by gahacke
use bulk transmission of tasks to the dispatcher for most PH operations
16:29 Changeset [10656] by gahacke
cleanup whitespace
16:19 Changeset [10655] by jwatson
Adding increased timing resolution for submitting / waiting-for results …
15:29 Changeset [10654] by gahacke
use pyutilib commands to launch nameserver
15:22 Changeset [10653] by jwatson
Eliminating unnecessary call in wait-any to queues_with_results - just …
13:18 Changeset [10652] by gahacke
changing defaults back to include leaf stage solution data in ph history …
13:13 Changeset [10651] by gahacke
fix to phhistoryextension, need to use something other than json as the …

08/14/15:

18:04 Changeset [10650] by gahacke
more tweaks to pysp example
17:40 Changeset [10649] by gahacke
updating comments in pysp scripting examples
17:34 Changeset [10648] by gahacke
updating example pysp script to print ef duals
16:24 Changeset [10647] by gahacke
adding variable label to rho update
15:02 Changeset [10646] by gahacke
adding scripting examples directory for pysp
14:43 Changeset [10645] by dlwoodr
added John's most recent email to the text
14:33 Changeset [10644] by jwatson
Modifying converger output in PH to use scientific notation if the …
14:28 Changeset [10643] by gahacke
adding missing files to last commit
14:25 Changeset [10642] by gahacke
snapshotting work on new pysp scripting interface
14:05 Changeset [10641] by gahacke
adding more sophisticated version of adaptive rho converger plugin that …
12:24 Changeset [10640] by jwatson
Adding option to disable xhat computation, which is clearly disabled by …

08/13/15:

21:41 Changeset [10639] by gahacke
removing use of deprecated suffix method in NL writer
18:14 Changeset [10638] by gahacke
fixing row_order I/O option functionality in LP writer. This requires …
16:04 Changeset [10637] by gahacke
fix to phsolverserver following pyutilib worker updates
13:52 Changeset [10636] by gahacke
fixes to pysp baselines
13:32 Changeset [10635] by gahacke
updating scenario_tree.maked_compressed to ignore instance data on the …
13:22 Changeset [10634] by dlwoodr
correcting the font on Disjuncts and Disjunction in a few places
11:38 Changeset [10633] by dlwoodr
Disjunctions: I added a slightly augmented version of John's email. I feel …
10:28 Changeset [10632] by gahacke
fix to preprocess_block_constraints and preprocess_block_objectives helper …
09:50 Changeset [10631] by gahacke
collect full ph results (included leaf stage values) after successful xhat …
09:36 Changeset [10630] by jwatson
Updating MPI command line example in farmer/pysp example.
09:05 Changeset [10629] by gahacke
pysp baseline updates

08/10/15:

15:00 Changeset [10628] by dlwoodr
change the xhat output to avoid output stats

08/07/15:

20:53 Changeset [10627] by gahacke
adding test categories pysp unit test class
20:46 Changeset [10626] by gahacke
fixing import in example
17:52 Changeset [10625] by gahacke
misc cleanup to MatrixConstraint? object
17:50 Changeset [10624] by gahacke
whitespace cleanup
17:50 Changeset [10623] by gahacke
adding utilities to sceanrio tree to add and remove bundles
17:49 Changeset [10622] by gahacke
moving pysp utility function into different module
17:48 Changeset [10621] by gahacke
Fix for --create-random-bundles. Not sure how long this has been broken …
16:06 Changeset [10620] by gahacke
updating expensive pysp test baselines after changes in r10619
15:48 Changeset [10619] by gahacke
Fixes to code following attempted xhat solve at the end of PH: - Do not …
15:33 Changeset [10618] by gahacke
placing utility to update node statistics on scenario tree
14:37 Changeset [10617] by gahacke
tag the scenario objects with a reference to the original user object …
14:29 Changeset [10616] by gahacke
Rename --output-instance-construction-times to …

08/05/15:

12:44 Changeset [10615] by gahacke
updating alternate PH baselines
11:23 Changeset [10614] by gahacke
adding utility to clear expression pools, mean for debugging memory leaks

08/04/15:

19:24 Changeset [10613] by gahacke
fix spacing (junk commit to fire off Jenkins)
19:00 Changeset [10612] by gahacke
More updates to writer tests to deal with PICO failures. Adding more …
18:59 Changeset [10611] by gahacke
fix to PICO plugin to only set the default variable value to 0 when the LP …
18:58 Changeset [10610] by gahacke
adding public method to access default variable value for OptSolver?, which …
15:40 Changeset [10609] by gahacke
forgot to remove outer block loop during updates to baron writer
14:39 Changeset [10608] by gahacke
Various fixes to baron_writer plugin: - Add support for trivial …
13:29 Changeset [10607] by wehart
Updating script to install conditional dependencies.
11:14 Changeset [10606] by gahacke
updates to PH baselines for degenerate test models after changes to LP …
02:13 Changeset [10605] by gahacke
fix to Baron solution parser to be agnostic about newline style (this was …
02:11 Changeset [10604] by gahacke
fix to baron writer to handle None and infinity the same for variable …
01:09 Changeset [10603] by gahacke
removing reference to var.initial and var.reset()
01:05 Changeset [10602] by gahacke
- Removing 'initial' attribute from _VarData - Removing 'reset' method …
00:20 Changeset [10601] by gahacke
Updating baseline after change in symbol map creation order in LP writer …
00:15 Changeset [10600] by gahacke
fixing constraint bounds checking in baron writer
00:14 Changeset [10599] by gahacke
fixing typos in previous fixes to gurobi_direct plugin

08/03/15:

23:33 Changeset [10598] by gahacke
Fixing serious issues with python direct interfaces: - CPLEX: constants …
23:15 Changeset [10597] by gahacke
do not assume component._data is a dict, use iteritems(c)
23:14 Changeset [10596] by gahacke
do not assume _data is a dict in Constraint._pprint, use iteritems(self)
23:12 Changeset [10595] by gahacke
fix to compile to MatrixConstraint? utility: forgot to convert variable …
23:09 Changeset [10594] by gahacke
NL writer fix: treat None and infinity the same for variable bounds
23:06 Changeset [10593] by gahacke
Adding writer test case for MatrixConstraint?
22:29 Changeset [10592] by gahacke
Updates to LP writer: - Do not skip trivial constraints by default. This …
21:59 Changeset [10591] by gahacke
updates to pickle tests to handle persistent solver interfaces
21:43 Changeset [10590] by gahacke
Adding more writer tests that expose SERIOUS bugs in the CPLEXDirect and …
19:55 Changeset [10589] by wehart
Changes to remove deprecated pyomo.os functionality
19:12 Changeset [10588] by gahacke
Adding more writer tests that expose some inconsistencies in how trivial …
18:55 Changeset [10587] by wehart
Changes to parse the 'options' and 'options_string' arguements.
18:21 Changeset [10586] by wehart
More example updates.
17:53 Changeset [10585] by wehart
Adding more examples.
01:31 Changeset [10584] by gahacke
Optimization in LP writer for LinearCanonicalRepn? types that might …

08/02/15:

15:56 Changeset [10583] by gahacke
cleanup whitespace
13:37 Changeset [10582] by wehart
Truncating a long log line.
13:01 Changeset [10581] by wehart
Adding another example.
10:25 Changeset [10580] by wehart
Updating example to fit within the book width.
10:12 Changeset [10579] by wehart
Renaming example
10:12 Changeset [10578] by wehart
Renaming example.
10:08 Changeset [10577] by wehart
Adding more examples.
09:54 Changeset [10576] by wehart
Adding a ref-solvers directory
08:57 Changeset [10575] by wehart
Tagging Pyomo 4.1.10527 I needed to cut a new release version to make …
08:55 Changeset [10574] by wehart
Temporary commit
08:47 Changeset [10573] by wehart
Tagging Pyomo 4.1.10526
07:55 Changeset [10572] by wehart
Moving pyomo.os to the ATTIC. There is nothing wrong with this …
07:49 Ticket #4608 (Add support for meta-solvers that launch solver managers) created by wehart
How can we generically configure a meta-solver to launch sub-solvers using …
05:41 Changeset [10571] by wehart
Adding annotations to identify meta-solvers. This is used with the 'pyomo …

08/01/15:

15:31 Changeset [10570] by wehart
Adding the 'pyomo info' subcommand.
13:09 Changeset [10569] by gahacke
Updating the LP writer to skip generating (and storing) a canonical_repn …
13:04 Changeset [10568] by gahacke
- Updates to canonical and ampl preprocessor to skip constraints of …
11:45 Changeset [10567] by gahacke
adding option to PySP scripts to compile linear constraints on scenario …
11:31 Changeset [10566] by gahacke
misc fixes to compile linear function

07/31/15:

20:10 Changeset [10565] by gahacke
- Making LinearCanonicalRepn? a pure interface class. - Adding prototype …
15:33 Changeset [10564] by gahacke
removing use of deprecated .value property on expressions
15:30 Changeset [10563] by gahacke
adding delitem method to IndexedConstraint?. I think this should be …
13:52 Changeset [10562] by gahacke
making sure deprecation warnings show up on SimpleObjective? and …
12:28 Changeset [10561] by gahacke
removing use of deprecated methods in pysp scripts
12:28 Changeset [10560] by gahacke
Adding setter methods for expr property on _GeneralExpressionData and …
11:15 Changeset [10559] by gahacke
Reverting behavior in ConstraintList? and ObjectiveList? that was changed …
02:03 Changeset [10558] by gahacke
updates following change to _ExpressionData
01:57 Changeset [10557] by gahacke
- Making _ObjectiveData a pure abstract interface. Properties are …
01:40 Changeset [10556] by gahacke
removing use of deprecated .value setter on Expression
01:40 Changeset [10555] by gahacke
- Making _ExpressionData a pure abstract interface. Properties are …
01:16 Changeset [10554] by gahacke
cleanup imports
01:12 Changeset [10553] by gahacke
- Making _ConstraintData a pure abstract interface. Properties are …
00:48 Changeset [10552] by gahacke
backing out r10551 in preparation for next round of commits (easier to …

07/30/15:

19:01 Changeset [10551] by wehart
Bug fixes to recent Constraint revisions.
00:22 Changeset [10550] by gahacke
- Use _ConstraintData 'equality' property rather than checking private …

07/29/15:

21:07 Changeset [10549] by gahacke
cleanup whitespace and line formatting
19:16 Changeset [10548] by gahacke
moving the weakref slot down to the ComponentData? base class
15:44 Ticket #4607 (ply.py uses a line number that is not reset) created by dlwoodr
the line number in ply.py is not reset so that if multiple files are read …
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