anuraaga opened a new pull request #2592: Add benchmark of jackson span decoder. URL: https://github.com/apache/incubator-zipkin/pull/2592 Figured it's worth comparing. Jackson does seem to be quite a bit faster ``` Benchmark Mode Cnt Score Error Units JsonCodecBenchmarks.bytebuffer_jacksonDecoder sample 5901 2544.586 ± 12.446 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.00 sample 2265.088 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.50 sample 2482.176 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.90 sample 2805.760 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.95 sample 2977.792 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.99 sample 3890.954 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.999 sample 5007.720 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p0.9999 sample 6234.112 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:bytebuffer_jacksonDecoder·p1.00 sample 6234.112 us/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.alloc.rate sample 15 485.928 ± 11.010 MB/sec JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.alloc.rate.norm sample 15 1947212.928 ± 54268.319 B/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.churn.G1_Eden_Space sample 15 474.709 ± 41.802 MB/sec JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.churn.G1_Eden_Space.norm sample 15 1902536.334 ± 174257.340 B/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.churn.G1_Old_Gen sample 15 0.522 ± 0.229 MB/sec JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.churn.G1_Old_Gen.norm sample 15 2081.496 ± 900.600 B/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.churn.G1_Survivor_Space sample 15 0.710 ± 0.422 MB/sec JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.churn.G1_Survivor_Space.norm sample 15 2845.078 ± 1710.011 B/op JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.count sample 15 63.000 counts JsonCodecBenchmarks.bytebuffer_jacksonDecoder:·gc.time sample 15 59.000 ms JsonCodecBenchmarks.bytebuffer_moshiDecoder sample 3622 4149.591 ± 23.637 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.00 sample 3538.944 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.50 sample 4083.712 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.90 sample 4579.328 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.95 sample 4800.512 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.99 sample 5726.863 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.999 sample 7977.124 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p0.9999 sample 10633.216 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:bytebuffer_moshiDecoder·p1.00 sample 10633.216 us/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.alloc.rate sample 15 475.416 ± 22.444 MB/sec JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.alloc.rate.norm sample 15 3105210.609 ± 90.856 B/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.churn.G1_Eden_Space sample 15 481.880 ± 36.226 MB/sec JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.churn.G1_Eden_Space.norm sample 15 3147773.994 ± 201647.808 B/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.churn.G1_Old_Gen sample 15 0.362 ± 0.278 MB/sec JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.churn.G1_Old_Gen.norm sample 15 2371.526 ± 1847.100 B/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.churn.G1_Survivor_Space sample 15 0.355 ± 0.367 MB/sec JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.churn.G1_Survivor_Space.norm sample 15 2297.098 ± 2382.129 B/op JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.count sample 15 68.000 counts JsonCodecBenchmarks.bytebuffer_moshiDecoder:·gc.time sample 15 62.000 ms JsonCodecBenchmarks.bytebuffer_zipkinDecoder sample 4316 3480.430 ± 19.196 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.00 sample 3084.288 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.50 sample 3387.392 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.90 sample 3825.664 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.95 sample 4027.597 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.99 sample 4951.982 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.999 sample 6742.819 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p0.9999 sample 12369.920 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:bytebuffer_zipkinDecoder·p1.00 sample 12369.920 us/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.alloc.rate sample 15 526.684 ± 10.409 MB/sec JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.alloc.rate.norm sample 15 2885357.205 ± 29202.870 B/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.churn.G1_Eden_Space sample 15 531.141 ± 56.507 MB/sec JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.churn.G1_Eden_Space.norm sample 15 2909782.493 ± 305111.674 B/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.churn.G1_Old_Gen sample 15 0.559 ± 0.244 MB/sec JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.churn.G1_Old_Gen.norm sample 15 3056.974 ± 1313.696 B/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.churn.G1_Survivor_Space sample 15 0.754 ± 0.593 MB/sec JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.churn.G1_Survivor_Space.norm sample 15 4131.131 ± 3233.971 B/op JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.count sample 15 75.000 counts JsonCodecBenchmarks.bytebuffer_zipkinDecoder:·gc.time sample 15 75.000 ms JsonCodecBenchmarks.bytes_jacksonDecoder sample 5923 2535.539 ± 15.459 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.00 sample 2232.320 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.50 sample 2461.696 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.90 sample 2793.472 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.95 sample 3006.464 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.99 sample 3869.737 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.999 sample 6267.011 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p0.9999 sample 15925.248 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:bytes_jacksonDecoder·p1.00 sample 15925.248 us/op JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.alloc.rate sample 15 494.354 ± 9.378 MB/sec JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.alloc.rate.norm sample 15 1973729.248 ± 52.341 B/op JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.churn.G1_Eden_Space sample 15 497.189 ± 41.667 MB/sec JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.churn.G1_Eden_Space.norm sample 15 1985573.255 ± 170232.613 B/op JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.churn.G1_Old_Gen sample 15 0.487 ± 0.338 MB/sec JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.churn.G1_Old_Gen.norm sample 15 1935.626 ± 1341.708 B/op JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.churn.G1_Survivor_Space sample 15 0.310 ± 0.367 MB/sec JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.churn.G1_Survivor_Space.norm sample 15 1249.878 ± 1478.821 B/op JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.count sample 15 70.000 counts JsonCodecBenchmarks.bytes_jacksonDecoder:·gc.time sample 15 70.000 ms JsonCodecBenchmarks.bytes_moshiDecoder sample 3418 4399.938 ± 35.054 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.00 sample 3588.096 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.50 sample 4374.528 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.90 sample 4825.088 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.95 sample 5169.562 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.99 sample 7517.143 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.999 sample 9332.654 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p0.9999 sample 11091.968 us/op JsonCodecBenchmarks.bytes_moshiDecoder:bytes_moshiDecoder·p1.00 sample 11091.968 us/op JsonCodecBenchmarks.bytes_moshiDecoder:·gc.alloc.rate sample 15 513.047 ± 34.288 MB/sec JsonCodecBenchmarks.bytes_moshiDecoder:·gc.alloc.rate.norm sample 15 3552581.606 ± 29222.197 B/op JsonCodecBenchmarks.bytes_moshiDecoder:·gc.churn.G1_Eden_Space sample 15 521.506 ± 56.109 MB/sec JsonCodecBenchmarks.bytes_moshiDecoder:·gc.churn.G1_Eden_Space.norm sample 15 3611983.639 ± 309826.684 B/op JsonCodecBenchmarks.bytes_moshiDecoder:·gc.churn.G1_Old_Gen sample 15 0.384 ± 0.341 MB/sec JsonCodecBenchmarks.bytes_moshiDecoder:·gc.churn.G1_Old_Gen.norm sample 15 2653.762 ± 2449.685 B/op JsonCodecBenchmarks.bytes_moshiDecoder:·gc.churn.G1_Survivor_Space sample 15 0.664 ± 0.710 MB/sec JsonCodecBenchmarks.bytes_moshiDecoder:·gc.churn.G1_Survivor_Space.norm sample 15 4617.205 ± 5086.783 B/op JsonCodecBenchmarks.bytes_moshiDecoder:·gc.count sample 15 69.000 counts JsonCodecBenchmarks.bytes_moshiDecoder:·gc.time sample 15 58.000 ms JsonCodecBenchmarks.bytes_zipkinDecoder sample 3747 4012.987 ± 26.430 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.00 sample 3317.760 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.50 sample 3985.408 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.90 sample 4251.648 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.95 sample 4800.512 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.99 sample 6500.516 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.999 sample 7707.001 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p0.9999 sample 8355.840 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:bytes_zipkinDecoder·p1.00 sample 8355.840 us/op JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.alloc.rate sample 15 459.039 ± 11.709 MB/sec JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.alloc.rate.norm sample 15 2898592.404 ± 12521.738 B/op JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Eden_Space sample 15 460.318 ± 53.819 MB/sec JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Eden_Space.norm sample 15 2910512.906 ± 370418.450 B/op JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Old_Gen sample 15 0.682 ± 0.388 MB/sec JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Old_Gen.norm sample 15 4328.483 ± 2484.072 B/op JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Survivor_Space sample 15 0.576 ± 0.592 MB/sec JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.churn.G1_Survivor_Space.norm sample 15 3643.936 ± 3786.948 B/op JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.count sample 15 65.000 counts JsonCodecBenchmarks.bytes_zipkinDecoder:·gc.time sample 15 64.000 ms ```
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