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05/19/08:

17:26 Ticket #154 (Remove text-field to enter the port number in the grid-client form) created by gkronber
The port number is not used because the client doesn't open a …
16:29 Ticket #153 (DistributedEngine needs too much RAM) closed by gkronber
fixed: fixed with r268
16:29 Changeset [268] by gkronber

improved RAM footprint of distributed-engine by serializing only the part of the scope-tree that contains the scope (including sub-scopes) on which a parallel operation 'operates' on. (ticket #153)

05/17/08:

15:50 Changeset [267] by gkronber

using string.substring(0..n) instead of string.split()[0] because it is more light-weight

15:48 Changeset [266] by gkronber

added missing GPL headers

15:47 Changeset [265] by gkronber

added missing GPL header

14:15 Ticket #153 (DistributedEngine needs too much RAM) created by gkronber
There is a large increase in memory-footprint when executing an …

05/16/08:

11:40 Ticket #152 (Grid-server allows only 10 connections) closed by gkronber
fixed: fixed with r264
11:30 Changeset [264] by gkronber

fixed #152, increased maximum allowed concurrent sessions to 20

11:17 Changeset [263] by gkronber

removed binding that is not needed anymore (#152)

11:15 Ticket #152 (Grid-server allows only 10 connections) created by gkronber
01:02 Ticket #151 (GetScope(String name) method of the Scope implementation in ...) closed by swagner
fixed
01:01 Changeset [262] by swagner

Merged fix of ticket #151 (r260:261) from trunk into 3.0 release branch

00:53 Changeset [261] by swagner

Fixed ticket #151

  • corrected error in GetScope(string name) and GetScope(Guid guid)

05/15/08:

22:40 Ticket #151 (GetScope(String name) method of the Scope implementation in ...) created by pspitzli
The method GetScope(String name) does not get the subscope named name, …
12:18 Ticket #149 (DistributedEngine throws InvalidOperationException after running for a ...) closed by gkronber
fixed: Worked on stability of plugin-infrastructure (uncaught exceptions in …

05/14/08:

20:14 Changeset [260] by gkronber

fixed #146 (serialization of function-trees in linear form)

19:24 Ticket #146 (Functiontrees should be serialized in compact linear form) closed by gkronber
fixed: implemented with r259
19:23 Changeset [259] by gkronber

implemented #146

16:46 Changeset [258] by gkronber

moved sleep in the results-fetching-loop to the top. It's better to sleep a little before the first try. (ticket #149)

16:37 Changeset [257] by gkronber

don't keep all zipped engines just in case we have to restart one of them. Instead keep the engine objects (we have to keep them anyway) and serialize - zip only if a restart is needed (#149)

16:09 Changeset [256] by gkronber
  • added statement to remove results from the job-manager
  • added a critical section in case EndExecuteOperation is called while any of the TryGetResult-threads is still running.
  • added statements to make sure that streams to (un)zip serialized engines are closed and resources released

(ticket #149)

16:06 Changeset [255] by gkronber

closing wait-handle just to be sure that resources are released (ticket #149)

16:05 Changeset [254] by gkronber

removed caching of results in engine-store. kept deletion mechanism for expired results to delete results that are never retrieved from the grid-server (ticket #149)

00:21 Changeset [253] by gkronber

improved handling of closed or faulted connections in job-manager for distributed engine (ticket #149)

00:13 Changeset [252] by gkronber

minor change

05/13/08:

23:56 Changeset [251] by gkronber

bug-fixes in grid-client (#149)
also cleaned up code in the grid-client

23:25 Ticket #140 (ServerForm shows incorrect numbers for "Running jobs" and "Waiting Results") closed by gkronber
fixed: fixed with r250
23:24 Changeset [250] by gkronber

fixed #140

23:12 Changeset [249] by gkronber

fixed incorrect sleeping-timeouts (#149)

23:06 Changeset [248] by gkronber

improved stability of distributed engine (#149)

23:05 Changeset [247] by gkronber

deleted unused interface IClient (#149)

23:05 Changeset [246] by gkronber

minor bugfixes (related to #149)

23:04 Ticket #150 (Re-queue jobs when a client takes too long to return the result) closed by gkronber
fixed: fixed with r245
23:03 Changeset [245] by gkronber

fixed #150 (re-queueing of jobs that were not executed in time)

22:37 Ticket #38 (Monitor running jobs on grid-clients from the grid-server) closed by gkronber
invalid: This ticket has been replaced by #150.
22:36 Ticket #150 (Re-queue jobs when a client takes too long to return the result) created by gkronber
If the grid-server doesn't receive a result for a job after a …
22:21 Ticket #137 (Stopping the GridClient while an engine is running throws an exception.) closed by gkronber
fixed: fixed with r244
22:21 Changeset [244] by gkronber

fixed #137 (together with changes for #149)

20:27 Changeset [243] by gkronber

changed GridClient and GridServer to "service"-applications that are automatically restarted when they crash. (see r242) (related to ticket #149)

20:24 Changeset [242] by gkronber

added support for "service" applications that are restarted automatically when they crash with an exception. (related to #149)

18:58 Changeset [241] by gkronber

Stability improvement.
also makes debugging easier (related to #149). Should be merged into the trunk after testing.

  • added exception handling in PluginManager to graciously unload AppDomains when an uncaught exception is occurred
  • added exception handling in the starter-form to display an error message-box
18:36 Changeset [240] by gkronber

removed start/stop buttons, server is started automatically right away (necessary for automatic restarts)

15:30 Ticket #149 (DistributedEngine throws InvalidOperationException after running for a ...) created by gkronber
This happens at least for the Meta-GP engines of pspitzli. The cause …
15:23 Ticket #30 (Make clients reconnect to the server periodically in case a connection ...) closed by gkronber
worksforme: This issue was fixed together with another issue in an earlier changeset
15:11 Ticket #148 (Function-evaluator should copy code and data only once per evaluated model.) closed by gkronber
fixed: fixed with r239
15:10 Changeset [239] by gkronber

fixed #148

15:01 Changeset [238] by gkronber

used Debug.Assert to enable tree-validity checks only in debug builds

14:44 Ticket #148 (Function-evaluator should copy code and data only once per evaluated model.) created by gkronber
Right now the function-evaluator copies the lists on each evaluated …
14:37 Ticket #147 (Scaling factors should be saved together with the dataset) closed by gkronber
fixed: implemented with r237 by moving scaling code and data from …
14:36 Changeset [237] by gkronber

implemented #147

13:40 Ticket #147 (Scaling factors should be saved together with the dataset) created by gkronber

05/12/08:

22:31 Changeset [236] by gkronber

minor changes

15:33 Changeset [235] by gkronber

fixed bug in function evaluation.
if a tree had the same size as the tree that was evaluated just before the evaluator evaluated the last tree again.

10:38 Ticket #143 (Exporter from HL dataset to libsvm data-format) closed by gkronber
fixed: Implemented with r234
10:37 Changeset [234] by gkronber

implemented #143

08:00 Changeset [233] by gkronber

removed export button and attached the contextMenuStrip directly to the dataGridView instead of each column. (preparation for #143)

05/11/08:

12:33 Ticket #144 (Automatically scale variables in a dataset) closed by gkronber
fixed: implemented with r232
12:33 Changeset [232] by gkronber

implemented #144

10:40 Ticket #145 (ProgrammableFunction not working with the new evaluation code) closed by gkronber
fixed: fixed with r231
10:39 Changeset [231] by gkronber

fixed #145

09:00 Ticket #139 (Implement fast evaluator for GP function-trees) closed by gkronber
fixed: * cleaned up files and fixed compilation problems with r225 and r226
08:58 Ticket #146 (Functiontrees should be serialized in compact linear form) created by gkronber
08:58 Ticket #145 (ProgrammableFunction not working with the new evaluation code) created by gkronber
08:56 Changeset [230] by gkronber

deleted old branch for ticket #139

08:55 Changeset [229] by gkronber

merged changes (r201 r203 r206 r208 r220 r223 r224 r225 r226 r227) from branch ExperimentalFunctionsBaking into the trunk. (ticket #139)

05/09/08:

16:22 Changeset [228] by gkronber

bug fixing in DistributedEngine and Grid-Infrastructure

15:23 Ticket #144 (Automatically scale variables in a dataset) created by gkronber
In combination with #143
15:22 Ticket #143 (Exporter from HL dataset to libsvm data-format) created by gkronber

05/08/08:

08:50 Ticket #142 (The number of stored BadChildren can be reduced) created by gkronber
I think it is not necessary to keep all bad children generated in the …

05/07/08:

21:29 Changeset [227] by gkronber

fixed evaluation of variables (returns NaN if index points out of the dataset) (ticket #139)

10:52 Changeset [226] by gkronber

fixed compilation problem introduced with: r225

01:39 Changeset [225] by gkronber

deleted obsolete class FunctionTree (ticket #139)

01:13 Changeset [224] by gkronber

implemented naive straight-forward way of serialization for baked-trees as tree-structure in XML. It should be possible to serialize and deserialize with the more compact linear representation as well. (ticket #139)

00:45 Changeset [223] by gkronber

moved evaluation code out of BakedFunctionTree into static class BakedTreeEvaluator to simplify code (ticket #139)

00:07 Changeset [222] by gkronber

fixed waiting for results (waithandle.waitall()) works only for maximally 64 wait-handles. So if execute more than 64 jobs in parallel we have to wait for each wait-handle separately.

00:06 Changeset [221] by gkronber

made the expiration time shorter to decrease probability to raise OutOfMemoryExceptions (quick fix for pspitzli meta-gp engines)

00:02 Changeset [220] by gkronber

worked on #139:

  • fixed display of trees in the gui
  • split list representation of tree into two lists code and data
  • implemented static evaluation for all predefined functions (except ProgrammableFunction)

05/06/08:

16:16 Ticket #141 (Use WeakReference to store results in the EngineStore instead of ...) created by gkronber
13:21 Ticket #140 (ServerForm shows incorrect numbers for "Running jobs" and "Waiting Results") created by gkronber
13:00 Ticket #139 (Implement fast evaluator for GP function-trees) created by gkronber
Some functions like addition, multiplication... can be statically …
12:46 Ticket #138 (Starting multiple applications concurrently causes some of the ...) created by gkronber
Seems there is a synchronization problem in the splash-screen class.
12:27 Ticket #136 (Jobs that were not executed correctly are lost and the ...) closed by gkronber
fixed: * Implemented restarting jobs in r129. * Also improved exception …
12:26 Ticket #137 (Stopping the GridClient while an engine is running throws an exception.) created by gkronber
The channel is closed in the event-handler for the stop button. When a …
12:22 Changeset [219] by gkronber
  • extracted communication code out of the DistributedEngine into class JobManager
  • implemented a method to retrieve the JobState for a given job (specified by it's guid) in GridServer
  • implemented restarting of jobs in JobManager
  • improved exception handling in JobManager and DistributedEngine

(ticket #136)

09:16 Ticket #136 (Jobs that were not executed correctly are lost and the ...) created by gkronber
DistributedEngine should handle exceptions more gracefully and …
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