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Posted to dev@systemds.apache.org by GitBox <gi...@apache.org> on 2022/12/21 10:45:01 UTC

[GitHub] [systemds] Baunsgaard commented on pull request #1750: [SYSTEMDS-3478] Bitset array for Frames

Baunsgaard commented on PR #1750:
URL: https://github.com/apache/systemds/pull/1750#issuecomment-1361154199

   This pr improve performance and allocation of frames  in memory and on disk reduced size of 8x of boolean values.
    
   on a 64kx2k frame with booleans:
   
   - write time improved from 0.3-0.6 to 0.162
   - read time improved from 0.4 to 0.119
   - size on disk and memory from 128MB to 16MB
   
   This commit is done to provide a lower bound case for dense boolean allocation.
   


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