Speed kills

[jmh530 via Digitalmars-d]

On Tuesday, 8 March 2016 at 14:14:25 UTC, 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.

There was a longer discussion here
https://forum.dlang.org/post/vkiwojmfjrwhigbkenaa@forum.dlang.org