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From maropu <...@git.apache.org>
Subject [GitHub] incubator-hivemall issue #37: [HIVEMALL-47][SPARK] Support codegen for top-K...
Date Mon, 06 Feb 2017 13:54:39 GMT
Github user maropu commented on the issue:

    https://github.com/apache/incubator-hivemall/pull/37
  
    Updated the benchmark; the size of the left table is ~140MB and the size of the right
table is ~70MB.
    ```
      TestUtils.benchmark("codegen top-k join") {
        /**
         * Java HotSpot(TM) 64-Bit Server VM 1.8.0_31-b13 on Mac OS X 10.10.2
         * Intel(R) Core(TM) i7-4578U CPU @ 3.00GHz
         *
         * top_k_join:                 Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
         * -----------------------------------------------------------------------------------
         * top_k_join wholestage off           3 /    5       2751.9           0.4       1.0X
         * top_k_join wholestage on            1 /    1       6494.4           0.2       2.4X
         */
    ```


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