D on quora ...

[Ecstatic Coder]

On Monday, 16 October 2017 at 09:30:03 UTC, Jacob Carlborg wrote:
> On 2017-10-15 18:29, Ecstatic Coder wrote:
>
>> Can you just confirm that D's fibers use most of the available 
>> processors/cores by default ?
>
> It depends entirely what you do with with the fibers. When it 
> comes to vibe.d, it will only run on one core by default, last 
> time I checked. Actually, I looked up the option for enabling 
> multithreading for handling HTTP requests, it's now deprecated 
> [1] and the recommendation is instead:
>
> "If possible, instead of threads, the use of separate processes 
> is more robust and often faster"
>
> [1] 
> http://vibed.org/api/vibe.http.server/HTTPServerOption.distribute

Nowadays most web servers are multicore, so that's probably not 
very good to optimize their raw performance.