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Posted to dev@systemds.apache.org by GitBox <gi...@apache.org> on 2022/04/25 20:19:22 UTC

[GitHub] [systemds] phaniarnab opened a new pull request, #1597: [SYSTEMDS-3359] Sample-based recode map size estimation

phaniarnab opened a new pull request, #1597:
URL: https://github.com/apache/systemds/pull/1597

   This patch improves the transformencode optimizer by adding
   a sample-based estimation of the recode/partial recode map sizes.
   We fallback to full column recode build tasks if the partial
   maps do not fit in the memory. Future commits will fine tune
   the task graph with 1) column-specific build blocks counts
   and 2) serialized column-build tasks -- both based on the
   memory estimates.


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[GitHub] [systemds] phaniarnab closed pull request #1597: [SYSTEMDS-3359] Sample-based recode map size estimation

Posted by GitBox <gi...@apache.org>.

phaniarnab closed pull request #1597: [SYSTEMDS-3359] Sample-based recode map size estimation
URL: https://github.com/apache/systemds/pull/1597


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