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Recent Releases of RcppEnsmallen

RcppEnsmallen - RcppEnsmallen 0.2.22.1.1

  • Upgraded to ensmallen 2.22.1: "E-Bike Excitement" (2024-12-03)
    • Remove unused variables to fix compiler warnings (#413).
  • DESCRIPTION now emphasizes a C++14 or greater compiler and a requirement for Armadillo 10.8.2 or higher library. (#68).

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Published by coatless about 1 year ago

RcppEnsmallen - RcppEnsmallen 0.2.22.0.1 (GitHub-only)

  • Upgraded to ensmallen 2.22.0: "E-Bike Excitement" (2024-11-29)
    • Update to C++14 standard (#400).
    • Bump minimum Armadillo version to 10.8 (#404).
    • For Armadillo 14.2.0 switch to .index_min() and .index_max() (#409).
    • Added IPOP and BIPOP restart mechanisms for CMA-ES. (#403).
  • Addressed uninitialized variable and private field warnings (#65)

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Published by coatless about 1 year ago

RcppEnsmallen - RcppEnsmallen 0.2.21.1.1

  • Upgraded to ensmallen 2.21.1: "Bent Antenna" (2024-02-16)
    • Fix numerical precision issues for small-gradient L-BFGS scaling factor computations (#392).
    • Ensure the tests are built with optimization enabled (#394).

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Published by coatless about 2 years ago

RcppEnsmallen - RcppEnsmallen 0.2.21.0.1

  • Upgraded to ensmallen 2.21.0: "Stripped Bolt Head" (2023-11-27)
    • Clarify return values for different callback types (#383).
    • Fix return types of callbacks (#382).
    • Minor cleanup for printing optimization reports via Report() (#385).
  • Updated vignettes to account for R 4.0.0 change. (#61)
  • Added pkgdown website URL to DESCRIPTION.

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Published by coatless about 2 years ago

RcppEnsmallen - RcppEnsmallen 0.2.20.0.1

  • Upgraded to ensmallen 2.20.0: "Eight Ball Deluxe" (2023-10-05)
    • Implementation of Active CMAES (#367).
    • LBFGS: avoid generation of NaNs, and add checks for finite values (#368).
    • Fix CNE test tolerances (#360).
    • Rename SCD optimizer, to CD (#379).
  • Updated GitHub Action runners update-ensmallen-refresh and pkgdown to address deprecation notices. (#53, #54, #55).
  • Removed explicit C++11 requirement from DESCRIPTION and Makevars{.win}.
  • Increased the R version required to R 4.0 to ensure a compiler with C++11 is available.

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Published by coatless over 2 years ago

RcppEnsmallen - RcppEnsmallen 0.2.19.0.1

  • Upgraded to ensmallen 2.19.0: "Eight Ball Deluxe" (2022-04-11)
    • Added DemonSGD and DemonAdam optimizers (#211).
    • Fix bug with Adam-like optimizers not resetting when resetPolicy is true. (#340).
    • Add Yogi optimizer (#232).
    • Add AdaBelief optimizer (#233).
    • Add AdaSqrt optimizer (#234).
    • Bump check for minimum supported version of Armadillo (#342).

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Published by coatless almost 4 years ago

RcppEnsmallen - RcppEnsmallen 0.2.18.2.1

  • Upgraded to ensmallen 2.18.2: "Fairmount Bagel" (2022-02-14)
    • Update Catch2 to 2.13.8 (#336).
    • Fix epoch timing output (#337).
  • Update R package URLs.

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Published by coatless about 4 years ago

RcppEnsmallen - RcppEnsmallen 0.2.18.1.1

  • Upgraded to ensmallen 2.18.1: "Fairmount Bagel" (2021-11-20)
    • Accelerate SGD test time (#330).
    • Fix potential infinite loop in CMAES (#331).
    • Fix SCD partial gradient test (#332).

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Published by coatless about 4 years ago

RcppEnsmallen - RcppEnsmallen 0.2.18.0.1

  • Upgraded to ensmallen 2.18.0: "Fairmount Bagel" (2021-10-21)
    • Add gradient value clipping and gradient norm scaling callback (mlpack/ensmallen#315).
    • Remove superfluous CMake option to build the tests (mlpack/ensmallen#313).
    • Bump minimum Armadillo version to 9.800 (mlpack/ensmallen#318).
    • Update Catch2 to 2.13.7 (mlpack/ensmallen#322).
    • Remove redundant template argument for C++20 compatibility (mlpack/ensmallen#324).
    • Fix MOEAD test stability (mlpack/ensmallen#327).
  • Update GitHub Actions to the standard r-lib/actions configuration. (#45)

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Published by coatless over 4 years ago

RcppEnsmallen - RcppEnsmallen 0.2.17.0.1

  • Upgraded to ensmallen 2.17.0: "Pachis Din Me Pesa Double" (2021-07-06)
    • CheckArbitraryFunctionTypeAPI extended for MOO support (mlpack/ensmallen#283).
    • Refactor NSGA2 (mlpack/ensmallen#263, mlpack/ensmallen#304).
    • Add Indicators for Multiobjective optimizers (mlpack/ensmallen#285).
    • Make Callback flexible for MultiObjective Optimizers (mlpack/ensmallen#289).
    • Add ZDT Test Suite (mlpack/ensmallen#273).
    • Add MOEA-D/DE Optimizer (mlpack/ensmallen#269).
    • Introduce Policy Methods for MOEA/D-DE (mlpack/ensmallen#293).
    • Add Das-Dennis weight initialization method (mlpack/ensmallen#295).
    • Add Dirichlet Weight Initialization (mlpack/ensmallen#296).
    • Improved installation and compilation instructions (mlpack/ensmallen#300).
    • Disable building the tests by default for faster installation (mlpack/ensmallen#303).
    • Modify matrix initialisation to take into account default element zeroing in Armadillo 10.5 (mlpack/ensmallen#305).

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Published by coatless over 4 years ago

RcppEnsmallen - RcppEnsmallen 0.2.16.2.1 (GitHub-only Release)

  • Upgraded to ensmallen 2.16.2: "Severely Dented Can Of Polyurethane" (2021-03-25)
    • Fix CNE test trials (#267).
    • Update Catch2 to 2.13.4 (#268).
    • Fix typos in documentation (#270, #271).
    • Add clarifying comments in problems/ implementations (#276).
    • Remove AdamSchafferFunctionN2Test test from Adam test suite to prevent spurious issue on some aarch64 (#265).

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Published by coatless almost 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.16.1.1

  • Upgraded to ensmallen 2.16.1: "Severely Dented Can Of Polyurethane" (2021-03-04)
    • Fix test compilation issue when ENS_USE_OPENMP is set (#255).
    • Fix CNE initial population generation to use normal distribution (#258).
    • Fix compilation warnings (#259).

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Published by coatless almost 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.16.0.1 (GH-Only Release)

  • Upgraded to ensmallen 2.16.0: "Severely Dented Can Of Polyurethane" (2021-02-19)
    • Expand README with example installation and add simple example program showing usage of the L-BFGS optimizer (#248).
    • Refactor tests to increase stability and reduce random errors (#249).

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Published by coatless almost 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.15.1.1

  • Upgraded to ensmallen 2.15.1: "Why Can't I Manage To Grow Any Plants?" (2020-11-05)
    • Fix include order to ensure traits is loaded before reports (#239).

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Published by coatless over 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.15.0.1

  • Upgraded to ensmallen 2.15.1: "Why Can't I Manage To Grow Any Plants?" (2020-11-03)
    • Make a few tests more robust (#228).
    • Add release date to version information. (#226)
    • Fix typo in release script (#236).
    • Add optimizer summary report callback (#213).

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Published by coatless over 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.14.2.1

  • Upgraded to ensmallen 2.14.2: "No Direction Home" (2020-09-05)
    • Fix implementation of fonesca fleming problem function f1 and f2 type usage and negative signs. (#223)

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Published by coatless over 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.14.1.1

  • Upgraded to ensmallen 2.14.1: "No Direction Home" (2020-08-21)
    • Fix release script (remove hardcoded information, trim leading whitespaces introduced by wc -l in MacOS) (#216, #220).
    • Adjust tolerance for AugLagrangian convergence based on element type (#217).
    • Add NSGA2 optimizer for multi-objective functions (#149).
    • Update automatic website update release script (#207).
    • Clarify and fix documentation for constrained optimizers (#201).
    • Fix L-BFGS convergence when starting from a minimum (#201).
  • Switch GitHub Actions to use reference tags to always be up-to-date with CRAN's check grid (oldrel, release, devel). (#29, #32)
  • Added a GitHub Action to automatically create a PR with the new version of Ensmallen when a new release is detected. (#30, #33)

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Published by coatless over 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.13.0.1

  • Upgraded to ensmallen 2.13.0: "Automatically Automated Automation" (2020-07-15)
    • Fix CMake package export (#198).
    • Allow early stop callback to accept a lambda function (#165).

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Published by coatless over 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.12.1.1

  • Upgraded to ensmallen 2.12.1: "Stir Crazy" (2020-04-20)
    • Fix total number of epochs and time estimation for ProgressBar callback (#181).
    • Handle SpSubviewcol and SpSubviewrow in Armadillo 9.870 (#194).
    • Minor documentation fixes (#197).
    • Correction in the formulation of sigma in CMA-ES (#183).
    • Remove deprecated methods from PrimalDualSolver implementation (#185) (#186).

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Published by coatless over 5 years ago

RcppEnsmallen - RcppEnsmallen 0.2.11.3.1

  • Upgraded to ensmallen 2.11.3: "The Poster Session Is Full" (2020-02-19)
    • Prevent spurious compiler warnings (#161).
    • Fix minor memory leaks (#167).
    • Revamp CMake configuration (#152).
    • Allow callback instantiation for SGD based optimizer (#138).
    • Minor test stability fixes on i386 (#156).
    • Fix Lookahead MaxIterations() check. (#159).

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Published by coatless almost 6 years ago

RcppEnsmallen - RcppEnsmallen 0.2.11.1.1

  • Upgraded to ensmallen 2.11.1: "The Poster Session Is Full" (2019-12-28)
    • Fix Lookahead Synchronization period type (#153).
    • Add Lookahead (#138).
    • Add AdaBound and AMSBound (#137).
    • SGD callback test 32-bit safety (big number) (#143).
    • Use "arbitrary" and "separable" terms in static function type checks (#145).
    • Remove 'using namespace std' from problems/ files (#147).
    • Add optional tests building. (#141).
    • Make code samples collapsible in the documentation. (#140).
  • Switched deployment from TravisCI to GitHub Actions. (#17, #22)
  • Removed check on header file inclusion (#21)

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Published by coatless about 6 years ago

RcppEnsmallen - RcppEnsmallen 0.2.10.3.1

  • Upgraded to ensmallen 2.10.3: "Fried Chicken" (2019-09-26)
    • Add release script to rel/ for maintainers (#128).
    • Fix Armadillo version check (#133).
    • Documentation fix for callbacks (#129.
    • Compatibility fixes for ensmallen 1.x (#131).
    • Fix ParallelSGD runtime bug. (#135).
    • Add additional L-BFGS convergence check (#136).
  • Added vignette with worked example for linear regression and for package inclusion.

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Published by coatless over 6 years ago

RcppEnsmallen - RcppEnsmallen 0.2.10.0.1

  • Upgraded to ensmallen 2.10.0: "Fried Chicken" (2019-09-07)
    • All Optimize() functions now take any matrix type; so, e.g., arma::fmat or arma::sp_mat can be used for optimization. See the documentation for more details (#113, #119).
    • Introduce callback support. Callbacks can be appended as the last arguments of an Optimize() call, and can perform custom behavior at different points during the optimization. See the documentation for more details (#119).
    • Slight speedups for FrankWolfe optimizer (#127).

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Published by coatless over 6 years ago

RcppEnsmallen - RcppEnsmallen 0.1.16.0.1

  • Upgraded to ensmallen release 1.16.0 "Loud Alarm Clock" (2019-08-09)
    • Add option to avoid computing exact objective at the end of the optimization (#109).
    • Fix handling of curvature for BigBatchSGD (#118).
    • Reduce runtime of tests (#118).
    • Introduce local-best particle swarm optimization, LBestPSO, for unconstrained optimization problems (#86).
  • Fix return type error in PSO (#123)

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Published by coatless over 6 years ago

RcppEnsmallen - RcppEnsmallen 0.1.15.0.1

  • Upgraded to ensmallen release 1.15.0 "Wrong Side Of The Road" (2019-05-14)
    • Added QHAdam and QHSGD optimizers (#81).
  • Fix -Wreorder in qhadam warning (#115).
  • Fix -Wunused-private-field warning in spsa (#115).

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Published by coatless almost 7 years ago

RcppEnsmallen - RcppEnsmallen 0.1.14.4.1

  • Upgraded to ensmallen release 1.14.4 "Difficult Crimp" (2019-05-12)
    • Fixes for BigBatchSGD (#91).
    • Handle eig_sym() failures correctly (#100).
    • SPSA test tolerance fix (#97).
    • Minor documentation fixes (#95, #98).
    • Fix newlines at end of file (#92).

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Published by coatless almost 7 years ago

RcppEnsmallen - RcppEnsmallen 0.1.14.1.1

  • Upgraded to ensmallen release 1.14.1 "Difficult Crimp" (2019-03-09)
    • Fixes for SPSA (#87).
    • Optimized CNE and DE (#90). Changed initial population generation in CNE to be a normal distribution about the given starting point, which should accelerate convergence.
    • Add DE optimizer (#77).
    • Fix for Cholesky decomposition in CMAES (#83).

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Published by coatless almost 7 years ago

RcppEnsmallen - RcppEnsmallen 0.1.13.0.1

  • Upgraded to ensmallen release 1.13.0 "Coronavirus Invasion" (2019-01-14)
    • Enhance options for AugLagrangian optimizer (#66).
    • Add SPSA optimizer (#69).
    • Fix list of contributors.
    • Make sure all files end with newlines.
  • Reordered SPSA parameters to quiet initialization error surfaced with -Wreorder.

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Published by coatless about 7 years ago

RcppEnsmallen - RcppEnsmallen 0.1.12.0.1

  • Upgraded to ensmallen release 1.12.0 "New Year's Party" (2018-12-30)
    • Add link to ensmallen PDF to README.md.
    • Minor documentation fixes. Remove too-verbose documentation from source for each optimizer (#61).
    • Add FTML optimizer (#48).
    • Add SWATS optimizer (#42).
    • Add Padam optimizer (#46).
    • Add Eve optimizer (#45).
    • Add ResetPolicy() to SGD-like optimizers (#60).
  • Updated citation information
  • Fixed header files missing a terminal newline

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Published by coatless about 7 years ago

RcppEnsmallen - RcppEnsmallen 0.1.11.1.1

RcppEnsmallen 0.1.11.1.1

  • Upgraded to ensmallen release 1.11.1 "Jet Lag" (2018-11-28)
    • Minor documentation fixes.
    • Add WNGrad optimizer.
    • Fix header name in documentation samples.
  • Added citation information

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Published by coatless about 7 years ago

RcppEnsmallen - RcppEnsmallen 0.1.10.0.1

New

  • Support for compiling via R the mathematical optimizers in the C++ ensmallen library.
  • Includes ensmallen release 1.10.0 "Corporate Catabolism" (2018-10-19)

Special Thanks

  • The crux of this package has largely been developed by Ensmallen development team that consists of Conrad Sanderson, Ryan Curtin, and the MLPACK developers

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Published by coatless about 7 years ago