Passing array as const slows down code?

[Joseph Rushton Wakeling]

On 30/04/12 16:03, Steven Schveighoffer wrote:
> Try removing the ref and see if it goes back. That usage of ref should not
> affect anything (if anything it should be slower, since it's an extra level of
> indirection).

Removing the ref ups the time as described before, but only with GDC (DMD the 
runtime is the same).  It's a real effect.

> There is no implicit local copy for const. I have a suspicion that you changed
> two things and forgot about one of them when running your tests.

Really don't think so.  You can even check the version history of changes if you 
like!