Interesting rant about Scala's issues

[Paulo Pinto]

On Friday, 4 April 2014 at 09:07:31 UTC, Dicebot wrote:
> 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.

To pick up on the bigints example, most compilers only use them 
if they don't fit into registers.


--
Paulo