[GitHub] spark issue #22893: [SPARK-25868][MLlib] One part of Spark MLlib Kmean Logic...

[KyleLi1985]

Github user KyleLi1985 commented on the issue:

    https://github.com/apache/spark/pull/22893
  
    I form the final test case for sparse case and dense case on realistic data 
to test new commit
    
[SparkMLlibTest.txt](https://github.com/apache/spark/files/2561442/SparkMLlibTest.txt)
    
    **For Dense case**,  we use data from 
    
http://archive.ics.uci.edu/ml/datasets/EEG+Steady-State+Visual+Evoked+Potential+Signals
    and use all the dense data file from this realistic data
    
    **Dense case Test Result time cost (milliseconds)**
    Before Enhance 211878 210845 215375
    After Enhance 140827 149282 130691
    
    **For Sparse case**, we use data from
    
http://archive.ics.uci.edu/ml/datasets/Condition+monitoring+of+hydraulic+systems
    and extract all the sparse data file (PS1, PS2, PS3, PS4, PS5, PS6) from 
this realistic data
    
    **Sparse case Test Result time cost (milliseconds)**
    Before Enhance 108080 103582 103586
    After Enhance 107652 107145 104768


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