Gotta mention https://www.techempower.com/benchmarks/#section=data-r21&tes... is these threads always.
...and the fastest server is javascript.
https://github.com/just-js/just
Not that you should choose it over node or bun.sh or deno. I look forward to seeing where bun.sh ends up on the chart.
Currently (well, as of the last benchmark, in July) deno is 0.9%-1.6% of the speed of the fastest options, while faster node options are around 20-40%.