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2.1 alpha
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@mimno mimno released this 13 Jun 14:54
· 110 commits to master since this release
v2.1-alpha
47d690a

This is a serialization-breaking release due to the switch to HPPC, which affects feature alphabets.

Added

  • Nonnegative Matrix Factorization
  • Word embeddings (word2vec clone)
  • PagedInstanceList supports iteration correctly
  • lebiathan added stratified sampling of InstanceList
  • This file!

Changed

  • All merging and propagation of sampling statistics for topic modeling is now multi-threaded (if num-threads is more than 1), leading to a 5-10% speed boost.
  • The primitive collections library (for example mapping String to int) has been changed from GNU trove to Carrotlabs HPPC. This change removes all GNU dependencies.
  • The license has been changed from CPL to Apache.
  • Use of VMID for unique identifier for serialized objects. (Breaks serialization!)
  • Many small fixes suggested by ErrorProne.
  • Unneeded imports removed.

Removed

  • The Matrix2 class has been removed.
  • GRMM has been moved to a separate package.

Fixed

  • Te Rutherford fixed a bug where non-String instance IDs were being cast as Strings.
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