rails/rails — comment on commit 63cd9432265a32d222353b535d60333c2a6a5125
File:  line 0
By jeremy:

Cut down on object allocations too:
```
before 4 utf8 chars: 3.2ms elapsed 13 objects per call
after 4 utf8 chars: 3.8ms elapsed 3 objects per call
before 40 utf8 chars: 16.0ms elapsed 44 objects per call
after 40 utf8 chars: 10.5ms elapsed 3 objects per call
before 400 utf8 chars: 144.4ms elapsed 404 objects per call
after 400 utf8 chars: 67.1ms elapsed 3 objects per call
before 4000 utf8 chars: 1398.4ms elapsed 4004 objects per call
after 4000 utf8 chars: 621.8ms elapsed 3 objects per call
before 6 crap chars: 5.8ms elapsed 15 objects per call
after 6 crap chars: 5.7ms elapsed 3 objects per call
before 60 crap chars: 21.2ms elapsed 54 objects per call
after 60 crap chars: 13.1ms elapsed 3 objects per call
before 600 crap chars: 186.7ms elapsed 504 objects per call
after 600 crap chars: 92.3ms elapsed 3 objects per call
before 6000 crap chars: 1878.5ms elapsed 5004 objects per call
after 6000 crap chars: 859.9ms elapsed 3 objects per call
```