Skip to content

Serializer Benchmark Summary

Generated: 2026-05-02T22:34:56.330147

Pivot Tables

C#: Avg Total Time (ns) by Serializer and Mode

serializer Stream string
Ceras 80,487 67,322
CsvHelper 575,677 443,243
ExtendedXmlSerializer 22,645 15,612
FlatSharp 14,093 7,762
FsPickler 84,944 71,369
FsPicklerJson 124,996 113,079
GroBuf 6,977 3,342
Hyperion 61,024 58,699
Jil 67,819 61,116
Json.Net 152,721 131,351
Json.Net (Helper) 233,699 193,144
MS Binary 215,550 196,973
MS Bond Compact 33,274 18,760
MS Bond Fast 25,880 13,412
MS Bond Json 81,213 67,146
MS DataContract 186,564 134,567
MS DataContract Json 211,462 137,633
MS XmlSerializer 171,433 131,338
MemoryPack 10,935 5,552
Migrant 68,154 47,620
NetJSON 61,831 53,719
NetSerializer 25,395 28,985
ProtoBuf 49,152 47,161
ServiceStack Json 164,362 156,885
ServiceStack Type 132,516 132,870
SharpSerializer 59,469 45,683
SharpYaml 819,524 791,924
SpanJson 54,209 40,666
Utf8Json 69,472 69,479
YAXLib 1,093,006 986,592
YamlDotNet 1,442,154 1,344,936
fastJson 187,900 171,458

C#: Ops/Sec by Serializer and Data Type

serializer EDI_835 Integer ObjectGraph Person SimpleObject StringArray Telemetry
Ceras 12,408 64,609 30,536 14,854 22,862 10,898 13,346
CsvHelper - 2,256 - - 3 - -
ExtendedXmlSerializer - 64,054 - - - - -
FlatSharp - 128,838 - - 40,684 14,693 -
FsPickler 12,622 48,833 27,119 14,012 24,011 12,780 14,342
FsPicklerJson 7,729 27,562 22,128 8,843 16,963 9,497 4,125
GroBuf - 299,223 - - 137,771 - -
Hyperion 13,508 225,967 - 17,036 42,550 11,314 17,318
Jil 11,204 139,602 - 16,362 53,328 11,445 4,870
Json.Net 15,694 271,418 63,142 7,613 49,141 12,528 4,550
Json.Net (Helper) 9,029 76,970 26,319 5,177 16,655 8,072 3,552
MS Binary 4,813 31,062 12,833 5,077 17,007 8,254 9,446
MS Bond Compact 39,129 320,888 - 53,306 102,108 26,851 57,921
MS Bond Fast 51,414 804,528 - 74,557 179,593 30,717 98,785
MS Bond Json 16,630 186,469 - 14,893 40,250 21,066 5,723
MS DataContract 7,695 43,104 17,450 7,431 12,952 5,133 2,792
MS DataContract Json 8,282 62,988 - 7,266 17,236 5,983 3,183
MS XmlSerializer 7,795 37,880 - 7,614 13,043 4,615 2,923
MemoryPack - 180,122 - - 57,742 16,918 -
Migrant - 21,000 - - 5,450 - -
NetJSON 18,645 253,776 - 18,615 46,905 14,089 7,104
NetSerializer 24,342 419,342 - 34,501 107,701 22,277 18,276
ProtoBuf 20,567 89,288 - 21,204 42,097 13,440 21,884
ServiceStack Json 6,686 209,496 - 6,374 22,681 7,965 3,823
ServiceStack Type 8,400 303,820 - 7,526 22,664 9,973 4,572
SharpSerializer 1,048 21,890 4,073 - 7,474 2,056 -
SharpYaml 1,267 35,840 - 1,263 3,654 1,033 1,073
SpanJson 16,772 131,138 - 24,590 34,472 15,126 7,284
Utf8Json 8,370 113,470 - 14,393 30,183 10,959 3,776
YAXLib 990 9,102 - 1,014 2,139 1,484 917
YamlDotNet 1,298 12,491 5,377 744 2,752 4 5
fastJson 7,766 91,808 - 5,832 22,888 11,984 4,314

Python: Avg Total Time (ns) by Serializer and Mode

serializer bytes stream
avro 96,178 95,136
cbor2 318,576 328,590
cloudpickle 134,079 137,456
msgpack 263,091 275,101
msgspec 9,825 12,190
orjson 10,032 12,491
pickle 54,350 59,981
protobuf 88,305 90,755
rapidjson 268,884 270,553

Python: Ops/Sec by Serializer and Data Type

serializer EDI_835 Integer ObjectGraph Person SimpleObject StringArray Telemetry
avro 2,737 - - 10,397 38,071 3,900 5,340
cbor2 1,200 44,955 - 3,139 5,805 2,858 2,647
cloudpickle 3,999 85,757 19,351 7,458 20,062 13,231 13,892
msgpack 1,780 276,297 - 3,801 8,525 5,606 3,762
msgspec 33,046 544,088 - 101,781 225,156 23,109 50,077
orjson 43,995 392,197 - 99,678 172,213 26,899 57,678
pickle 9,177 196,028 43,363 18,399 52,437 17,954 22,291
protobuf 1,767 - - 11,324 33,253 7,838 15,974
rapidjson 1,788 154,150 - 3,719 7,343 5,071 2,428

Generated by Serializer Benchmark CI