Timeline


and

11/04/18:

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.

11/02/18:

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.

11/01/18:

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 …

10/30/18:

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.

10/28/18:

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.

10/26/18:

22:10 Changeset [16260] by bburlacu

#2950: Refactor HashExtensions: simplify Reduce method.

10/25/18:

13:51 Changeset [16259] by bburlacu

#2950: Add storable constructor.

13:37 Changeset [16258] by bburlacu

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

12:48 Changeset [16257] by jkarder

#2839: worked on hive project management

  • fixed GetAvailabilityStatsPerProjectQueryString

10/24/18:

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.

10/23/18:

19:49 Changeset [16251] by gkronber

#2925: implemented interface to CVODES solver with forward sensitivity calculation.

10/22/18:

18:35 Changeset [16250] by gkronber

#2925 preparations to switch between HL ODE solver and CVODES

10:04 Changeset [16249] by gkronber

#2925: extracted Vector into a separate class

10:02 Changeset [16248] by gkronber

#2925 extracted CVODES external methods into a separate class

09:18 Ticket #2939 (Variables cannot be added to an empty ModifiableDataset) closed by jkarder
done: r16247: merged r16084, r16118, r16120 and r16242 into stable
09:17 Changeset [16247] by jkarder

#2939: merged r16084, r16118, r16120 and r16242 into stable

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