Fastest Way to Append Multiple Elements to an Array

[zeljkog via Digitalmars-d-learn]

On 19.12.14 16:25, Steven Schveighoffer wrote:
> This is surprising to me. I would expect especially ints to be faster.
> In reality, there is no difference between arr ~= args and arr.length +=
> args.length, and then copying, it's just how you do the copying. Perhaps
> it's the call to memcpy in the runtime that is slower than looping.
>

I think it's compile time looping, it's unrolled.

> Did you compile both tests with the same command line parameters?

Yes.