Interesting rant about Scala's issues

[Dicebot]

On Friday, 4 April 2014 at 08:16:20 UTC, Paulo Pinto wrote:
> Says who? And slow to whom?
>
> 1 - Write correct code
>
> 2 - Use a profiler, if the code isn't fast enough for the use 
> case being written for
>
> 3 - If desired use case isn't there, use the profiler 
> information to improve the specific hotpaths in need of tuning.
>
> I see too many people micro-optimize for nothing.
>
> --
> Paulo

While this is true in general, spotting performance overhead from 
using bigints everywhere in profiler can be rather tricky because 
it will be evenly spread across the program. Micro-optimizations 
are bad but this is not very practical example.