On 07/05/2012 10:42 PM, Jim Laskey wrote:
> Fairly common patterns like
>
> var p = {
> fontsize: 15,
> lineheight: 22,
> color: 0x000,
> fontfamily: "Georgia, FreeSerif, Times, serif"
> };
>
> p.color = "white";
>
> We need flexible slots without allocating 2x memory.
>
> For "for like" constructs we typically use static analysis to reduce
> to integer.
Not having such kind of analysis is almost a crime.
Jim, do you have a paper explaining the static analysis you use,
I have some trouble to keep mine linear.
> With TaggedArray slots for frames we could use integer dynamically.
yes, but performance will be awful (ok, better than using boxing but 2x
or 3x slower
than C or Java) if you don't have any kind of type propagation.
>
> Cheers,
>
> -- Jim
cheers,
Rémi
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