Why 16Mib static array size limit?

[Yuxuan Shui via Digitalmars-d]

On Tuesday, 16 August 2016 at 18:46:06 UTC, Ali Çehreli wrote:
> On 08/16/2016 10:51 AM, Johan Engelen wrote:
> > On Tuesday, 16 August 2016 at 01:28:05 UTC, Ali Çehreli wrote:
> >>
> >> With ldc2, the best option is to go with a dynamic array
> ONLY IF you
> >> access the elements through the .ptr property. As seen in
> the last
> >> result, using the [] operator on the array is about 4 times
> slower
> >> than that.
> >
> > [...]
> >
> > -Johan
>
> Thank you all. That makes sense... Agreeing that the POINTER 
> version is applicable only in some cases, looking only at the 
> non-POINTER cases, for ldc2, a static array is faster, making 
> the "arbitrary" 16MiB limit a performance issue. For ldc2, 
> static array is about 40% faster:
>
> [...]
>
> Ali

Actually, the STATIC version is always faster on my machine (Core 
i5 5200U), in both dmd and ldc2 cases