Re: For a cheaper ‘bytevector->pointer’

[Amirouche Boubekki]

Le dim. 24 nov. 2019 à 11:53, Ludovic Courtès <address@hidden> a écrit :
>
> Hello!
>
> A few days ago David was explaining on #guile how ‘bytevector->pointer’
> was generating too much garbage for his use case.  An idea we came up
> with was to embed the pointer object in the bytevector.

I would be very happy to have a more performant bytevector->pointer
for my OKVS work.

>
> The patch below does that but it leads to segfaults because I’m guessing
> there’s generated bytecode somewhere that still uses the wrong offset; I
> adjusted code that emits ‘pointer-ref/immediate’, what else did I miss?
>
> Also, since we disable internal pointers, we’d need to register an
> additional displacement, and I’m not sure if this is a good idea.
>
> Thoughts?
>
> Thanks,
> Ludo’.
>


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Amirouche ~ https://hyper.dev