8ea2533620
Timing impact. Before (numbers from my Mac):
$ node tools/timechild.js
Time `log.child`:
- adding no fields: 0.01307ms per iteration
- adding one field: 0.01336ms per iteration
- adding two fields: 0.0134ms per iteration
- adding serializer and one field: 0.01839ms per iteration
- adding a (stderr) stream and one field: 0.01905ms per iteration
- [fast] adding no fields: 0.000821ms per iteration
- [fast] adding one field: 0.001067ms per iteration
- [fast] adding two fields: 0.00122ms per iteration
After:
$ node tools/timechild.js
Time `log.child`:
- adding no fields: 0.01243ms per iteration
- adding one field: 0.01345ms per iteration
- adding two fields: 0.01343ms per iteration
- adding serializer and one field: 0.01671ms per iteration
- adding a (stderr) stream and one field: 0.01915ms per iteration
- [fast] adding no fields: 0.001742ms per iteration
- [fast] adding one field: 0.00193ms per iteration
- [fast] adding two fields: 0.002388ms per iteration
I.e., not great, but still 5x faster for the "fast child" path.
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| bunyan.js | ||