size_t for length on x64 will make app slower than on x86?

[Iain Buclaw via Digitalmars-d]

On 16 November 2014 13:39, FrankLike via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> Many old projects need move from x86 to x64,but the 'length' type is
> size_t,it will change on x64,so a lot of work must to do.but I find some
> info which is help for d:
> http://www.dotnetperls.com/array-length.
> it means:
>   test length and longlength, and found 'test longlength' is  slower than
> 'test length'.
>
>   0.64 ns   Length
>   2.55 ns   LongLength
>
> I love D.So I don't want my app on x64 slower than on x86.
>
> Hope change in 2.067.
>
> Thank you all.

That's benchmarking C#, not D. :)

In anycase, it looks like the Length accessor is a property in C#, in
D it's a field (there's no overhead).