go-json/README.md

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# go-json
![Go](https://github.com/goccy/go-json/workflows/Go/badge.svg)
Fast JSON encoder/decoder compatible with encoding/json for Go
# Status
WIP
## API
- [ ] `Compact`
- [ ] `HTMLEscape`
- [ ] `Indent`
- [x] `Marshal`
- [x] `MarshalIndent`
- [x] `Unmarshal`
- [ ] `Valid`
- [x] `NewDecoder`
- [x] `(*Decoder).Buffered`
- [x] `(*Decoder).Decode`
- [ ] `(*Decoder).DisallowUnknownFields`
- [ ] `(*Decoder).InputOffset`
- [ ] `(*Decoder).More`
- [ ] `(*Decoder).Token`
- [ ] `(*Decoder).UseNumber`
- [ ] `Delim`
- [ ] `(Delim).String`
- [x] `NewEncoder`
- [x] `(*Encoder).Encode`
- [x] `(*Encoder).SetEscapeHTML`
- [x] `(*Encoder).SetIndent`
## Type
### Encoder
- [x] `int`, `int8`, `int16`, `int32`, `int64`
- [x] `uint`, `uint8`, `uint16`, `uint32`, `uint64`
- [x] `float32`, `float64`
- [x] `string`
- [x] `struct`
- [x] `array`
- [x] `slice`
- [x] `map`
- [x] `interface{}`
- [x] `MarshalJSON`
- [x] `MarshalText`
### Decoder
- [x] `int`, `int8`, `int16`, `int32`, `int64`
- [x] `uint`, `uint8`, `uint16`, `uint32`, `uint64`
- [x] `float32`, `float64`
- [x] `string`
- [x] `struct`
- [x] `array`
- [x] `slice`
- [x] `map`
# Benchmarks
```
$ cd benchmarks
$ go test -bench .
```
## Environment
```
goos: darwin
goarch: amd64
```
## Decode
### SmallStruct
```
Benchmark_Decode_SmallStruct_EncodingJson-12 1000000 1697 ns/op 280 B/op 3 allocs/op
Benchmark_Decode_SmallStruct_JsonIter-12 1000000 1292 ns/op 316 B/op 12 allocs/op
Benchmark_Decode_SmallStruct_EasyJson-12 2000000 626 ns/op 240 B/op 2 allocs/op
Benchmark_Decode_SmallStruct_GoJay-12 3000000 559 ns/op 256 B/op 2 allocs/op
Benchmark_Decode_SmallStruct_GoJayUnsafe-12 3000000 523 ns/op 112 B/op 1 allocs/op
Benchmark_Decode_SmallStruct_GoJson-12 3000000 530 ns/op 256 B/op 2 allocs/op
Benchmark_Decode_SmallStruct_GoJsonNoEscape-12 3000000 478 ns/op 144 B/op 1 allocs/op
```
### MediumStruct
```
Benchmark_Decode_MediumStruct_EncodingJson-12 100000 20865 ns/op 384 B/op 10 allocs/op
Benchmark_Decode_MediumStruct_JsonIter-12 200000 11459 ns/op 2985 B/op 81 allocs/op
Benchmark_Decode_MediumStruct_EasyJson-12 200000 6521 ns/op 232 B/op 6 allocs/op
Benchmark_Decode_MediumStruct_GoJay-12 500000 3503 ns/op 2449 B/op 8 allocs/op
Benchmark_Decode_MediumStruct_GoJayUnsafe-12 500000 3226 ns/op 144 B/op 7 allocs/op
Benchmark_Decode_MediumStruct_GoJson-12 500000 3648 ns/op 2457 B/op 8 allocs/op
Benchmark_Decode_MediumStruct_GoJsonNoEscape-12 500000 3606 ns/op 2425 B/op 7 allocs/op
```
### LargeStruct
```
Benchmark_Decode_LargeStruct_EncodingJson-12 5000 293675 ns/op 312 B/op 6 allocs/op
Benchmark_Decode_LargeStruct_JsonIter-12 10000 182299 ns/op 41737 B/op 1137 allocs/op
Benchmark_Decode_LargeStruct_EasyJson-12 10000 107157 ns/op 160 B/op 2 allocs/op
Benchmark_Decode_LargeStruct_GoJay-12 50000 36518 ns/op 31244 B/op 77 allocs/op
Benchmark_Decode_LargeStruct_GoJayUnsafe-12 50000 33196 ns/op 2561 B/op 76 allocs/op
Benchmark_Decode_LargeStruct_GoJson-12 30000 56653 ns/op 31228 B/op 75 allocs/op
Benchmark_Decode_LargeStruct_GoJsonNoEscape-12 30000 56049 ns/op 31196 B/op 74 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_EasyJson-12 3000000 536 ns/op 944 B/op 6 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_EasyJson-12 1000000 1148 ns/op 1320 B/op 19 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_EasyJson-12 100000 21629 ns/op 15461 B/op 327 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