[4Walter&Andrei] D is 40 times slower. We need a new language feature!

[Stefan Koch via Digitalmars-d]

On Saturday, 20 May 2017 at 11:47:32 UTC, John Colvin wrote:
>
> What's​ surprising about it? Thinking very simplistically (I 
> don't know how it actually works), if inlining happened first 
> then surely the later optimisation stages wouldn't have a 
> problem detecting the necessary loop invariants and hoisting 
> them out.

Inlining is usually one of the first passes scheduled.
So that should not be an issue,
However loop-invariant code motion is not straight-forward.