D perfomance

[welkam]

On Wednesday, 22 April 2020 at 14:00:10 UTC, serge wrote:
> My understanding that D is the language in similar ballpark 
> performance league as C, C++, Rust.
Equivalent implementation in C, C++, D, Rust, Nim compiled with 
same compiler backend should give exact same machine code. What 
you see in online language comparisons is mostly comparing 
different implementations and how much time people spent on 
optimizing.

> why web performance of those 2 web frameworks is so poor 
> compared to rivals?

Difference in implementation. My guess is that people writing 
those servers didnt had time to spend on optimizations.