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Libraries
json
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552d1538
Unverified
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552d1538
authored
Jan 31, 2018
by
Niels Lohmann
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added more statistics on binary formats
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60e2d28e
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doc/binary_formats.md
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552d1538
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@@ -157,16 +157,15 @@ The optimized formats for containers are supported: Parameter `use_size` adds si
## Size comparison examples
The following table shows the size
(in bytes) of different files in the
`test/data`
direc
tory for the different formats.
The following table shows the size
compared to the original JSON value for different files from the reposi
tory for the different formats.
| format | sample.json |
floats.json | all_unicode
.json |
| ----------------------- | -----------:| -----------
:| -----
-----------:|
| JSON |
687491 | 22670390 | 13279259
|
| CBOR |
**147095**
| 9000005 |
**5494662**
|
| M
sgPack | 148395 | 9000005 |
**5494662**
|
| UBJSON unoptimized |
148695 | 9000002 | 7718787
|
| UBJSON size-optimized |
150569 | 9000007 | 7718792
|
| UBJSON format-optimized |
150883 |
**8000009**
| 7718792
|
| format | sample.json |
all_unicode.json | floats.json | signed_ints.json | jeopardy.json | canada
.json |
| ----------------------- | -----------:| -----------
-----:| -----------:| ----------------:| -------------:|
-----------:|
| JSON |
100.00 % | 100.00 % | 100.00 % | 100.00 % | 100.00 % | 100.00 %
|
| CBOR |
87.21 % | 71.18 % | 48.20 % | 44.16 % | 87.96 % | 50.53 %
|
| M
essagePack | 87.16 % | 71.18 % | 48.20 % | 44.16 % | 87.91 % | 50.56 %
|
| UBJSON unoptimized |
88.15 % | 100.00 % | 48.20 % | 44.16 % | 96.58 % | 53.20 %
|
| UBJSON size-optimized |
89.26 % | 100.00 % | 48.20 % | 44.16 % | 97.40 % | 58.56 %
|
| 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.
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