> On Dec 27, 2015, at 2:56 AM, Tino Heth <[email protected]> wrote:
>
>
>> There’s some unfortunate extra boilerplate here, which could be better
>> handled with newtype support in the language, but when compiled with
>> optimizations the resulting code is nearly identical to using plain Ints.
>
> Cool — have you checked the generated assembler for this conclusion? But I
> guess there is some knowledge on how to build an optimizing compiler in the
> core team ;-), so I'd expect little to no penalty (I guess the memory
> footprint of plain Ints is still better).
Yes, I have, and actually, the memory footprint is no different! These are
value-types that are exactly word-sized, and so get passed around in registers
and stored inline in larger structs.
- Greg
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