faster splitter

Mon May 30 13:08:46 PDT 2016

On 05/30/2016 04:00 PM, Chris wrote:
> ./benchmark.dmd
>         std: 178 ±31    +36 (4475)  -29 (5344)
>      manual: 167 ±46    +82 (2883)  -32 (7054)
>        qznc: 114 ±7     +18 (1990)   -5 (7288)
>       Chris: 228 ±49    +82 (3050)  -35 (6780)
>      Andrei: 103 ±5     +47 ( 658)   -2 (9295)
> (avg slowdown vs fastest; absolute deviation)
> CPU ID: GenuineIntel Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz
>
> LDC:
>
>         std: 184 ±19    +28 (3420)  -14 (6523)
>      manual: 205 ±59   +120 (2463)  -39 (7443)
>        qznc: 151 ±25    +44 (2983)  -17 (6911)
>       Chris: 194 ±57    +78 (3702)  -46 (6251)
>      Andrei: 101 ±2     +42 ( 435)   -1 (9542)
>   (avg slowdown vs fastest; absolute deviation)
> CPU ID: GenuineIntel Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz

Thanks for looking into this! @qznc, could you please look into updating 
https://github.com/dlang/phobos/pull/4362 with this result? One possible 
tweak is see whether replacing the function call with inline code helps. 
Thanks! -- Andrei