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| author | Ryuta Kamizono <kamipo@gmail.com> | 2017-11-20 06:24:50 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-11-20 06:24:50 +0900 |
| commit | eeaf9cf61c3cd14929583878785c31dab79e2196 (patch) | |
| tree | 7ab2830102c670ff6f4df0cc700f380c0ce8b5ae /guides/source/configuring.md | |
| parent | bc2769774808cbc33b90dc8156ea53542cbde6f6 (diff) | |
| download | rails-eeaf9cf61c3cd14929583878785c31dab79e2196.tar.gz rails-eeaf9cf61c3cd14929583878785c31dab79e2196.tar.bz2 rails-eeaf9cf61c3cd14929583878785c31dab79e2196.zip | |
Prevent extra `spawn` to make `klass.all` faster (#29009)
These extra `spawn` are called via `klass.all` and `klass.all` is called
everywhere in the internal. Avoiding the extra `spawn` makes` klass.all`
30% faster for STI classes.
https://gist.github.com/kamipo/684d03817a8115848cec8e8b079560b7
```
Warming up --------------------------------------
fast relation 4.410k i/100ms
slow relation 3.334k i/100ms
Calculating -------------------------------------
fast relation 47.373k (± 5.2%) i/s - 238.140k in 5.041836s
slow relation 35.757k (±15.9%) i/s - 176.702k in 5.104625s
Comparison:
fast relation: 47373.2 i/s
slow relation: 35756.7 i/s - 1.32x slower
```
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