Re: SBCL Fibers proposal

SBCL allocates its own stack. Control, and binding, and alien, and tls
values, and altstack.

On Fri, Mar 13, 2026 at 12:37 Philipp Marek via Sbcl-devel <
[email protected]> wrote:

>
> >   After finishing this review, I showed it to a colleague.  They
> > pointed
> >   out to me that the 8 MB per-thread stack size quoted throughout the
> >   document, in section 1 (motivation), 5 (design) and 14 (measurements,
> >   if multiplying numbers is a measurement) is not correct.  I offer
> > this
> >   as yet another datum: despite my being primed to suspect every claim
> >   in this document, and aiming to read the document as cautiously as
> >   possible, the value quoted looked plausible, was used consistently,
> >   and its plausibility allowed that value to just slide by.
>
> I guess this 8MB value is my early contribution to this discussion,
> given as default on Linux as per default ulimit.
>
> Source:
>
> https://github.com/torvalds/linux/blob/0257f64bdac7fdca30fa3cae0df8b9ecbec7733a/include/uapi/linux/resource.h#L66
>
> What is wrong about that?
>
>
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