[issue44555] Dictionary operations are LINEAR for any dictionary (for a particular code).

[Inada Naoki]

Inada Naoki <songofacandy at gmail.com> added the comment:

There is a macro benchmark we regularly used.
https://pyperformance.readthedocs.io/

You can try micro benchmark for most common use cases with pyperf like this:

```
$ pyperf timeit -s "def f(**kwargs): pass" -- "f(a=1,b=2,c=3)"
Mean +- std dev: 119 ns +- 3 ns
```

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