# 1. Eishay测试 ``` create ser deser total size +dfl json-array/fastjson/databind 30 455 414 869 284 171 protobuf 159 601 319 919 242 152 cbor/jackson+afterburner/databind 29 565 753 1318 398 251 json/fastjson/databind 29 659 707 1366 489 271 json/jackson+afterburner/databind 28 663 837 1500 488 271 cbor/jackson/databind 30 587 1040 1628 398 251 json/jackson/databind 29 697 1099 1796 488 271 json/gson/databind 28 2091 1803 3893 489 268 hessian 29 2062 2619 4681 504 319 java-built-in 29 2815 15730 18545 892 520 ``` * 测试代码 https://github.com/wenshao/jvm-serializers # 2. 直接JMH性能测试比较 ## 2.1 测试环境 * MacBook Pro (16-inch, 2021) MacApple M1 Max, 64GB Memory * ZuluJDK ## 2.1.1 比较的版本 * Fastjson 2.0.1 * Fastjson 1.2.79 * Jackson 2.12.4 ## 2.1.2 JDK版本 * JDK 8 zulu8.60.0.21-ca-jdk8.0.322-macosx_aarch64 * JDK 11 zulu11.54.25-ca-jdk11.0.14.1-macosx_aarch64 * JDK 17 zulu17.32.13-ca-jdk17.0.2-macosx_aarch64 ## 2.2 Parse性能比较 * 测试代码 https://github.com/alibaba/fastjson2/blob/2.0.1/core/src/test/java/com/alibaba/fastjson_perf/eishay/EishayParse.java ### 2.2.1 场景介绍及结论 * EishayParseTreeString场景，将String解析成JSONObject/JSONArray或者HashMap/ArrayList。在这个场景，fastjson2表现出了两倍于fastjson1的性能 * EishayParseString场景，将String反序列化为JavaBean对象，在这个场景fastjson2相对于fastjson1性能提升了30%的性能。 * EishayParseStringPretty，将格式化带空格和换行符缩进的String反序列化为JavaBean对象，fastjson2在3.44倍于fastjson1。这个场景在fastjson1中是弱项，在fastjson2中采用新解析的算法，性能有了非常大提升。 * EishayParseUTF8Bytes，将UTF8格式的byte[]反序列化为JavaBean对象， ### 2.2.2 MacOS_M1Max_ARM_Zulu_JDK8 ``` Benchmark Mode Cnt Score Error Units EishayParseTreeString.fastjson2 thrpt 5 1297.637 ± 14.343 ops/ms EishayParseTreeString.fastjson1 thrpt 5 649.525 ± 2.845 ops/ms EishayParseTreeString.jackson thrpt 5 701.278 ± 17.552 ops/ms EishayParseTreeUTF8Bytes.fastjson2 thrpt 5 1059.120 ± 17.679 ops/ms EishayParseTreeUTF8Bytes.fastjson1 thrpt 5 654.592 ± 3.706 ops/ms EishayParseTreeUTF8Bytes.jackson thrpt 5 825.801 ± 3.161 ops/ms EishayParseString.fastjson2 thrpt 5 2057.589 ± 9.382 ops/ms EishayParseString.fastjson1 thrpt 5 1588.114 ± 4.540 ops/ms EishayParseString.jackson thrpt 5 718.630 ± 14.570 ops/ms EishayParseStringPretty.fastjson2 thrpt 5 1519.731 ± 108.501 ops/ms EishayParseStringPretty.fastjson1 thrpt 5 441.860 ± 12.675 ops/ms EishayParseStringPretty.jackson thrpt 5 659.436 ± 14.518 ops/ms EishayParseUTF8Bytes.fastjson2 thrpt 5 1580.093 ± 11.714 ops/ms EishayParseUTF8Bytes.fastjson1 thrpt 5 1488.098 ± 7.587 ops/ms EishayParseUTF8Bytes.jackson thrpt 5 973.172 ± 4.252 ops/ms EishayParseUTF8BytesPretty.fastjson2 thrpt 5 1623.723 ± 5.420 ops/ms EishayParseUTF8BytesPretty.fastjson1 thrpt 5 434.529 ± 1.160 ops/ms EishayParseUTF8BytesPretty.jackson thrpt 5 861.123 ± 2.946 ops/ms ``` ### 2.2.3 MacOS_M1Max_ARM_Zulu_JDK11 ``` Benchmark Mode Cnt Score Error Units EishayParseTreeString.fastjson2 thrpt 5 1113.560 ± 2.853 ops/ms EishayParseTreeString.fastjson1 thrpt 5 602.356 ± 3.139 ops/ms EishayParseTreeString.jackson thrpt 5 771.085 ± 56.116 ops/ms EishayParseTreeUTF8Bytes.fastjson2 thrpt 5 1076.274 ± 4.028 ops/ms EishayParseTreeUTF8Bytes.fastjson1 thrpt 5 549.811 ± 1.122 ops/ms EishayParseTreeUTF8Bytes.jackson thrpt 5 900.454 ± 4.688 ops/ms EishayParseString.fastjson2 thrpt 5 2049.978 ± 8.870 ops/ms EishayParseString.fastjson1 thrpt 5 1498.918 ± 18.825 ops/ms EishayParseString.jackson thrpt 5 684.231 ± 10.414 ops/ms EishayParseStringPretty.fastjson2 thrpt 5 1753.379 ± 7.210 ops/ms EishayParseStringPretty.fastjson1 thrpt 5 379.946 ± 5.317 ops/ms EishayParseStringPretty.jackson thrpt 5 657.031 ± 7.039 ops/ms EishayParseUTF8Bytes.fastjson2 thrpt 5 2000.253 ± 134.147 ops/ms EishayParseUTF8Bytes.fastjson1 thrpt 5 1365.798 ± 6.996 ops/ms EishayParseUTF8Bytes.jackson thrpt 5 909.116 ± 2.941 ops/ms EishayParseUTF8BytesPretty.fastjson2 thrpt 5 1630.228 ± 392.834 ops/ms EishayParseUTF8BytesPretty.fastjson1 thrpt 5 367.705 ± 0.933 ops/ms EishayParseUTF8BytesPretty.jackson thrpt 5 883.384 ± 4.067 ops/ms ``` ### 2.2.4 MacOS_M1Max_ARM_Zulu_JDK17 ``` Benchmark Mode Cnt Score Error Units EishayParseTreeString.fastjson2 thrpt 5 1310.585 ± 4.254 ops/ms EishayParseTreeString.fastjson1 thrpt 5 843.619 ± 3.138 ops/ms EishayParseTreeString.jackson thrpt 5 762.283 ± 2.127 ops/ms EishayParseTreeUTF8Bytes.fastjson2 thrpt 5 1043.344 ± 6.560 ops/ms EishayParseTreeUTF8Bytes.fastjson1 thrpt 5 768.128 ± 1.319 ops/ms EishayParseTreeUTF8Bytes.jackson thrpt 5 924.336 ± 3.618 ops/ms EishayParseString.fastjson2 thrpt 5 2157.744 ± 7.418 ops/ms EishayParseString.fastjson1 thrpt 5 2105.299 ± 11.867 ops/ms EishayParseString.jackson thrpt 5 704.006 ± 6.809 ops/ms EishayParseStringPretty.fastjson2 thrpt 5 1692.457 ± 7.409 ops/ms EishayParseStringPretty.fastjson1 thrpt 5 499.127 ± 13.863 ops/ms EishayParseStringPretty.jackson thrpt 5 665.835 ± 11.313 ops/ms EishayParseUTF8Bytes.fastjson2 thrpt 5 1473.672 ± 374.877 ops/ms EishayParseUTF8Bytes.fastjson1 thrpt 5 1713.926 ± 4.349 ops/ms EishayParseUTF8Bytes.jackson thrpt 5 943.198 ± 3.717 ops/ms EishayParseUTF8BytesPretty.fastjson2 thrpt 5 1297.958 ± 301.814 ops/ms EishayParseUTF8BytesPretty.fastjson1 thrpt 5 460.399 ± 2.872 ops/ms EishayParseUTF8BytesPretty.jackson thrpt 5 832.620 ± 3.739 ops/ms ``` ## 2.3 WriteString * 测试代码 https://github.com/alibaba/fastjson2/blob/2.0.1/core/src/test/java/com/alibaba/fastjson_perf/eishay/EishayWrite.java ### 2.3.1 场景介绍及结论 * EishayWriteString场景，将JavaBean对象序列化为字符串。这个场景中，fastjson2比fastjson1和jackson分别有164%和85%的性能提升 * EishayWriteUTF8Bytes场景，将JavaBean对象序列化为UTF8格式的byte数组。这个场景中，fastjson2比fastjson1和jackson分别有185%和93%的性能提升 ### 2.3.2 MacOS_M1Max_ARM_Zulu_JDK8 ``` Benchmark Mode Cnt Score Error Units EishayWriteString.fastjson2 thrpt 5 3076.439 ± 4.692 ops/ms EishayWriteString.fastjson1 thrpt 5 1162.488 ± 9.076 ops/ms EishayWriteString.jackson thrpt 5 1664.961 ± 3.204 ops/ms EishayWriteUTF8Bytes.fastjson2 thrpt 5 2868.597 ± 5.674 ops/ms EishayWriteUTF8Bytes.fastjson1 thrpt 5 1005.945 ± 3.602 ops/ms EishayWriteUTF8Bytes.jackson thrpt 5 1481.545 ± 5.302 ops/ms ``` ### 2.3.3 MacOS_M1Max_ARM_Zulu_JDK11 ``` Benchmark Mode Cnt Score Error Units EishayWriteString.fastjson2 thrpt 5 2816.795 ± 11.322 ops/ms EishayWriteString.fastjson1 thrpt 5 1063.862 ± 7.016 ops/ms EishayWriteString.jackson thrpt 5 1617.422 ± 5.465 ops/ms EishayWriteUTF8Bytes.fastjson2 thrpt 5 3051.648 ± 8.048 ops/ms EishayWriteUTF8Bytes.fastjson1 thrpt 5 1033.902 ± 11.964 ops/ms EishayWriteUTF8Bytes.jackson thrpt 5 1381.491 ± 12.199 ops/ms ``` ### 2.3.4 MacOS_M1Max_ARM_Zulu_JDK17 ``` Benchmark Mode Cnt Score Error Units EishayWriteString.fastjson2 thrpt 5 3064.658 ± 16.216 ops/ms EishayWriteString.fastjson1 thrpt 5 1250.379 ± 6.057 ops/ms EishayWriteString.jackson thrpt 5 1682.306 ± 6.945 ops/ms EishayWriteUTF8Bytes.fastjson2 thrpt 5 2895.860 ± 78.134 ops/ms EishayWriteUTF8Bytes.fastjson1 thrpt 5 1015.617 ± 11.698 ops/ms EishayWriteUTF8Bytes.jackson thrpt 5 1599.584 ± 3.278 ops/ms ```