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From GitBox <...@apache.org>
Subject [GitHub] [incubator-zipkin] anuraaga commented on issue #2582: Reuse char[] buffer when decoding hex fields.
Date Sat, 11 May 2019 08:07:28 GMT
anuraaga commented on issue #2582: Reuse char[] buffer when decoding hex fields.
URL: https://github.com/apache/incubator-zipkin/pull/2582#issuecomment-491490235
 
 
   Ran benchmark again after merging - overall down from 2.2M to 1.7M
   
   ```
   Benchmark                                                                    Mode    Cnt
       Score        Error   Units
   ProtoCodecBenchmarks.bytes_zipkinDecoder                                   sample  13762
    1089.838 ±      5.981   us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.00         sample    
        945.152                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.50         sample    
       1039.360                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.90         sample    
       1224.704                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.95         sample    
       1359.872                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.99         sample    
       2033.664                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.999        sample    
       2733.335                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.9999       sample    
       9971.515                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p1.00         sample    
      12992.512                us/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.alloc.rate                    sample    
15      973.403 ±     26.837  MB/sec
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.alloc.rate.norm               sample    
15  1671164.718 ±     18.557    B/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Eden_Space           sample    
15      979.562 ±     68.569  MB/sec
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Eden_Space.norm      sample    
15  1682674.375 ± 124566.078    B/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Old_Gen              sample    
15        0.559 ±      0.565  MB/sec
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Old_Gen.norm         sample    
15      968.659 ±    991.452    B/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Survivor_Space       sample    
15        0.666 ±      0.466  MB/sec
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Survivor_Space.norm  sample    
15     1140.466 ±    790.469    B/op
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.count                         sample    
15      102.000               counts
   ProtoCodecBenchmarks.bytes_zipkinDecoder:·gc.time                          sample    
15       90.000                   ms
   ```

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