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15:16 Changeset [16284] by bburlacu: #2950: Add the ability to compute the structural similarity between symbolic expression trees.
14:42 Changeset [16283] by bburlacu: #2959: Refactor bottom-up similarity calculator methods (main logic stays the same, better implementation), update unit tests.
14:01 Ticket #2916 (Improve serialization of IndexedDataTable) closed by abeham: done
14:01 Changeset [16282] by abeham: #2916: merged to stable
14:00 Ticket #2926 (Update Sim# version) closed by abeham: done: r16281: merged to stable
14:00 Changeset [16281] by abeham: #2926: merged to stable
13:58 Changeset [16280] by abeham: #2960: added query methods
13:55 Ticket #2960 (Row and Column query methods for StringMatrix) created by abeham: ValueTypeMatrix<T> has methods: * GetRow(int row): IEnumerable<T> * …

15:41 Changeset [16279] by bburlacu: #2959: Simplify code, improve performance, fix another potential bug in relation with 3).
14:24 Changeset [16278] by bburlacu: #2959: Address the issues described in the ticket.
14:21 Ticket #2959 (Issues with the bottom-up similarity calculator) created by bburlacu: The [http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.102.7958 …

18:52 Changeset [16277] by bburlacu: #2958: Add EvaluatedSolutions as parameter, similar to the other interpreters.
17:51 Changeset [16276] by bburlacu: #2958: Add SymbolicDataAnalysisExpressionTreeNativeInterpreter which calls into the native implementation.
17:06 EvoSoft edited by swagner: (diff)
17:05 EvoSoft/2018 created by swagner
13:19 Changeset [16275] by gkronber: #2925: changed random initialization of parameters and fixed two non-critical bugs in the implementation

11:05 Changeset [16274] by bburlacu: #2958: Update dll files and C++ source code to the latest version.
10:56 Changeset [16273] by bburlacu: #2950: Improve hashing performance.

16:20 Changeset [16272] by bburlacu: #2950: Refactor hash extensions and utility methods: hashes are computed from byte[] arrays, simplification accepts an argument specifying which hash function to use. Update SymbolicDataAnalysisBuildingBlockAnalyzer and SymbolicDataAnalysisExpressionDiversityPreservingCrossover.

20:11 Changeset [16271] by bburlacu: #2950: Fix SymbolicDataAnalysisBuildingBlockAnalyzer compilation error.
19:59 Changeset [16270] by bburlacu: #2950: Fix compilation error in SymbolicDataAnalysisExpressionDiversityPreservingCrossover
19:42 Changeset [16269] by bburlacu: #2958: Add C++ source code
19:39 Changeset [16268] by gkronber: #2925 created a separate algorithm (similar to NLR but for parameter identification of ODE systems) for debugging of the parameter optimization and fixed a problem with the order of items in the checkedItemCollection for TargetVariables
19:33 Changeset [16267] by bburlacu: #2950: Rename HashNode.IsChild property to IsLeaf
18:49 Changeset [16266] by bburlacu: #2958: Add native interpreter dll wrapper as external lib.
18:38 Ticket #2958 (Vectorized/batch-mode interpreter for symbolic expression trees) created by bburlacu: This ticket explores the possibility of employing batching and …
18:29 Changeset [16265] by gkronber: #1278: renamed branch
18:26 Changeset [16264] by gkronber: #2957: initial import of physics problems implemented by lkammere
08:07 Ticket #2957 (Implement symbolic regression problem instances from "A multilevel ...) created by gkronber: See: https://arxiv.org/abs/1706.02281 This paper uses data from …

13:08 Changeset [16263] by bburlacu: #2950: Refactor hashing to use unsigned long for hashes. Implement new DiversityPreservingCrossover which prevents subtrees with the same hash value from being swapped.
10:10 Changeset [16262] by chaider: #2956: created branch
10:06 Ticket #2956 (Integration of A Priori Knowledge for Symbolic Regression) created by chaider: Integration of a priori knowledge for symbolic regression.

21:26 Changeset [16261] by bburlacu: #2950: Fix bug in HashUtil.ToByteArray(). Improve hashing performance (10-15% gain) by avoiding array allocations for child node indices.

22:10 Changeset [16260] by bburlacu: #2950: Refactor HashExtensions: simplify Reduce method.

#2950: Add storable constructor.

#2950: Simplify code in SymbolicDataAnalysisBuildingBlockAnalyzer and fix build error.

#2839: worked on hive project management

19:58 Changeset [16256] by gkronber: #2925: added x64 version of CVODES as well as dispatching code for x86 and x64.
18:48 Changeset [16255] by bburlacu: #2950: Implement first version of hash-based building blocks analyzer. Minor performance improvement in HashExtensions.cs. Fix bug in SymbolicExpressionTreeHash.cs with simplification for Multiplication nodes inadvertently altering constant values.
18:21 Changeset [16254] by gkronber: #2925: made usage of x86 native library explicit.
18:16 Changeset [16253] by gkronber: #2925: fixed memory leak and fixed bug in determination of integration time span
10:45 Changeset [16252] by bburlacu: #2950: Minor refactor of HashExtensions.cs to allow method chaining. Minor refactor in SymbolicExpressionTreeHash.cs.

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