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📝 added more statistics on binary formats

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Niels Lohmann 2018-01-31 21:54:38 +01:00
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doc/binary_formats.md
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@ -157,16 +157,15 @@ The optimized formats for containers are supported: Parameter `use_size` adds si
## Size comparison examples ## Size comparison examples
The following table shows the size (in bytes) of different files in the `test/data` directory for the different formats. The following table shows the size compared to the original JSON value for different files from the repository for the different formats.
| format | sample.json | floats.json | all_unicode.json | | format | sample.json | all_unicode.json | floats.json | signed_ints.json | jeopardy.json | canada.json |
| ----------------------- | -----------:| -----------:| ----------------:| | ----------------------- | -----------:| ----------------:| -----------:| ----------------:| -------------:| -----------:|
| JSON | 687491 | 22670390 | 13279259 | | JSON | 100.00 % | 100.00 % | 100.00 % | 100.00 % | 100.00 % | 100.00 % |
| CBOR | **147095** | 9000005 | **5494662** | | CBOR | 87.21 % | 71.18 % | 48.20 % | 44.16 % | 87.96 % | 50.53 % |
| MsgPack | 148395 | 9000005 | **5494662** | | MessagePack | 87.16 % | 71.18 % | 48.20 % | 44.16 % | 87.91 % | 50.56 % |
| UBJSON unoptimized | 148695 | 9000002 | 7718787 | | UBJSON unoptimized | 88.15 % | 100.00 % | 48.20 % | 44.16 % | 96.58 % | 53.20 % |
| UBJSON size-optimized | 150569 | 9000007 | 7718792 | | UBJSON size-optimized | 89.26 % | 100.00 % | 48.20 % | 44.16 % | 97.40 % | 58.56 % |
| UBJSON format-optimized | 150883 | **8000009** | 7718792 | | UBJSON format-optimized | 89.45 % | 100.00 % | 42.85 % | 39.26 % | 94.96 % | 55.93 % |
The results show that there does not exist a "best" encoding. Furthermore, it is not always worthwhile to use UBJSON's optimizations. The results show that there does not exist a "best" encoding. Furthermore, it is not always worthwhile to use UBJSON's optimizations.