Speed kills

[Andrei Alexandrescu via Digitalmars-d]

On 03/08/2016 09:14 AM, ixid wrote:
> Since I posted this thread I've learned std.algorithm.sum is 4 times
> slower than a naive loop sum. Even if this is for reasons of accuracy
> this is exactly what I am talking about- this is a hidden iceberg of
> terrible performance that will reflect poorly on D. That's so slow the
> function needs a health warning.

Whoa. What's happening there? Do we have anyone on it? -- Andrei