Fast JSON encoder/decoder compatible with encoding/json for Go
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Masaaki Goshima 83d55b8f1b
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README.md

go-json

Go GoDoc

Fast JSON encoder/decoder compatible with encoding/json for Go

Status

WIP

API

  • Compact
  • HTMLEscape
  • Indent
  • Marshal
  • MarshalIndent
  • Unmarshal
  • Valid
  • NewDecoder
  • (*Decoder).Buffered
  • (*Decoder).Decode
  • (*Decoder).DisallowUnknownFields
  • (*Decoder).InputOffset
  • (*Decoder).More
  • (*Decoder).Token
  • (*Decoder).UseNumber
  • Delim
  • (Delim).String
  • NewEncoder
  • (*Encoder).Encode
  • (*Encoder).SetEscapeHTML
  • (*Encoder).SetIndent

Type

Encoder

  • int, int8, int16, int32, int64
  • uint, uint8, uint16, uint32, uint64
  • float32, float64
  • string
  • struct
  • array
  • slice
  • map
  • interface{}
  • MarshalJSON
  • MarshalText
  • pointer

Decoder

  • int, int8, int16, int32, int64
  • uint, uint8, uint16, uint32, uint64
  • float32, float64
  • string
  • struct
  • array
  • slice
  • map
  • interface{}
  • UnmarshalJSON
  • UnmarshalText
  • pointer

Error

  • InvalidUTF8Error
  • InvalidUnmarshalError
  • MarshalerError
  • SyntaxError
  • UnmarshalFieldError
  • UnmarshalTypeError
  • UnsupportedTypeError
  • UnsupportedValueError

Benchmarks

$ cd benchmarks
$ go test -bench .

Environment

goos: darwin
goarch: amd64

Decode

SmallStruct

Benchmark_Decode_SmallStruct_EncodingJson-12             1000000              1725 ns/op             280 B/op          3 allocs/op
Benchmark_Decode_SmallStruct_JsonIter-12                 1000000              1282 ns/op             316 B/op         12 allocs/op
Benchmark_Decode_SmallStruct_GoJay-12                    3000000               553 ns/op             256 B/op          2 allocs/op
Benchmark_Decode_SmallStruct_GoJayUnsafe-12              3000000               509 ns/op             112 B/op          1 allocs/op
Benchmark_Decode_SmallStruct_GoJson-12                   3000000               465 ns/op             256 B/op          2 allocs/op
Benchmark_Decode_SmallStruct_GoJsonNoEscape-12           3000000               407 ns/op             144 B/op          1 allocs/op

MediumStruct

Benchmark_Decode_MediumStruct_EncodingJson-12             100000             20688 ns/op             384 B/op         10 allocs/op
Benchmark_Decode_MediumStruct_JsonIter-12                 200000             10513 ns/op            2985 B/op         81 allocs/op
Benchmark_Decode_MediumStruct_GoJay-12                    500000              3400 ns/op            2449 B/op          8 allocs/op
Benchmark_Decode_MediumStruct_GoJayUnsafe-12              500000              3095 ns/op             144 B/op          7 allocs/op
Benchmark_Decode_MediumStruct_GoJson-12                   500000              2662 ns/op            2457 B/op          9 allocs/op
Benchmark_Decode_MediumStruct_GoJsonNoEscape-12           500000              2614 ns/op            2425 B/op          8 allocs/op

LargeStruct

Benchmark_Decode_LargeStruct_EncodingJson-12                5000            276637 ns/op             312 B/op          6 allocs/op
Benchmark_Decode_LargeStruct_JsonIter-12                   10000            158992 ns/op           41738 B/op       1137 allocs/op
Benchmark_Decode_LargeStruct_GoJay-12                      50000             36340 ns/op           31244 B/op         77 allocs/op
Benchmark_Decode_LargeStruct_GoJayUnsafe-12                50000             34337 ns/op            2561 B/op         76 allocs/op
Benchmark_Decode_LargeStruct_GoJson-12                     50000             39183 ns/op           30755 B/op         67 allocs/op
Benchmark_Decode_LargeStruct_GoJsonNoEscape-12             50000             38809 ns/op           30723 B/op         66 allocs/op

Encode

SmallStruct

Benchmark_Encode_SmallStruct_EncodingJson-12             1000000              1696 ns/op            1048 B/op          8 allocs/op
Benchmark_Encode_SmallStruct_JsonIter-12                 2000000               755 ns/op             984 B/op          7 allocs/op
Benchmark_Encode_SmallStruct_GoJay-12                    3000000               417 ns/op             624 B/op          2 allocs/op
Benchmark_Encode_SmallStruct_GoJson-12                   5000000               323 ns/op             144 B/op          1 allocs/op

MediumStruct

Benchmark_Encode_MediumStruct_EncodingJson-12             300000              3885 ns/op            1712 B/op         24 allocs/op
Benchmark_Encode_MediumStruct_JsonIter-12                1000000              1420 ns/op            1536 B/op         20 allocs/op
Benchmark_Encode_MediumStruct_GoJay-12                   1000000              1044 ns/op             824 B/op         15 allocs/op
Benchmark_Encode_MediumStruct_GoJson-12                  3000000               585 ns/op             320 B/op          1 allocs/op

LargeStruct

Benchmark_Encode_LargeStruct_EncodingJson-12               30000             53239 ns/op           20393 B/op        331 allocs/op
Benchmark_Encode_LargeStruct_JsonIter-12                  100000             21627 ns/op           20278 B/op        328 allocs/op
Benchmark_Encode_LargeStruct_GoJay-12                     100000             22256 ns/op           28048 B/op        323 allocs/op
Benchmark_Encode_LargeStruct_GoJson-12                    100000             17927 ns/op           14683 B/op        319 allocs/op

License

MIT