Why can't D language framework play best?

[Mathias LANG]

On Friday, 8 May 2020 at 08:13:35 UTC, zoujiaqing wrote:
> We have been continuously optimizing the performance of hunt 
> library io module, but have not been as high as AspCore、Rust 
> and Java.
>
> https://www.techempower.com/benchmarks/#section=test&runid=9e7a6863-b92e-4079-a2a9-324426369751&hw=ph&test=plaintext
>
> What good ideas do you have to offer?

Looking at the data table, one thing stands out: Performances for 
the row of "256" (is it size ? Concurrent requests?) is lower by 
an order of magnitude.
Assuming it's a size, that might just be a badly sized buffer, or 
a wrong "small data" optimization, but only profiling can tell.