eskip: add BenchmarkJsonUnmarshal #2876
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AlexanderYastrebov
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Add a benchmark of unmarshalling 10000 routes from JSON and
compare its performance to eskip parsing.
This establishes a baseline for future optimizations.
```
$ benchstat -col .name <(go test ./eskip -run=NONE -bench='BenchmarkJsonUnmarshal|BenchmarkParse$' -count=10)
goos: linux
goarch: amd64
pkg: github.com/zalando/skipper/eskip
│ Parse │ JsonUnmarshal │
│ sec/op │ sec/op vs base │
*-8 247.1m ± 1% 1281.4m ± 16% +418.51% (p=0.000 n=10)
│ Parse │ JsonUnmarshal │
│ B/op │ B/op vs base │
*-8 49.02Mi ± 0% 46.54Mi ± 0% -5.06% (p=0.000 n=10)
│ Parse │ JsonUnmarshal │
│ allocs/op │ allocs/op vs base │
*-8 1.080M ± 0% 1.420M ± 0% +31.48% (p=0.000 n=10)
```
Signed-off-by: Alexander Yastrebov <[email protected]>
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Add a benchmark of unmarshalling 10000 routes from JSON and compare its performance to eskip parsing.
This establishes a baseline for future optimizations.