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  1. Mahout
  2. MAHOUT-1257

performance improvement to LogLikehood

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Won't Fix
    • None
    • 0.10.0
    • classic
    • None

    Description

      This patch reduces the amount of computation required for LLR. It simplifies the math by canceling terms. In a microbenchmark we saw an 18% run time improvement.

      I couldn't seem to find the UI for uploading a patch file.

      Attachments

        1. MAHOUT-1257.patch
          2 kB
          Michael Sokolov

        Issue Links

          is superceded by

          Improvement - An improvement or enhancement to an existing feature or task. MAHOUT-1239 Standardize form of log-likelihood computation

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              Unassigned Unassigned
              sokolov Michael Sokolov
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              Dates

                Created:
                Updated:
                Resolved: