There is a computer languages benchmark compare site, but no Dlang benchmark. I think they should support D.

[lithium iodate]

On Saturday, 22 June 2019 at 01:27:31 UTC, lili wrote:
> A nick site, has a lot of languages, unfortunately no dlang in 
> there. 
> https://benchmarksgame-team.pages.debian.net/benchmarksgame/

This page frequently pops up in this forum, please refer to 
existing posts:
https://forum.dlang.org/search?q=benchmarksgame&scope=forum
In particular the last thread: 
https://forum.dlang.org/post/rcrhjgnskiuzzhrnzbmv@forum.dlang.org

TL;DR: not happening.