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

[9il via Digitalmars-d]

On Saturday, 20 May 2017 at 03:24:41 UTC, 9il wrote:
> The reason is that `matrixX[i, j]` is opIndex call, opIndex is 
> a function. It can be inlined. But optimizers can not split its 
> body and move half of opIndex computations out of the inner 
> loop, which it required for vectorization.

Hmm, look like new LLVM solves this issue. Need to do more 
benchmarks...