Re: help with dynamic-space-size

Try C-h v inferior-lisp-program

On Mon, Feb 2, 2026 at 6:14 PM Greg Bennett <[email protected]> wrote:
>
> Thanks for this and pardon my ignorance. I don't know how to make sure
> *that* particular command has been executed.
>
>  From the fact that M-x slime leaves me in sbcl-2.5.10, I assumed that
> the sbcl bit was executed.
>  From the fact that (dynamic-space-size) returns 1024^3 rather than 3
> times that, I assumed that the option
> was not executed. Perhaps the entire command was not executed and then I
> don't know why I wound up in
> sbcl, but that's my problem.
>
> On 2026-02-01 21:35, Stas Boukarev wrote:
> > Make sure (setq inferior-lisp-program "sbcl --dynamic-space-size
> > 3072") has actually been executed.
> >
> > On Mon, Feb 2, 2026 at 4:57 AM Greg Bennett <[email protected]> wrote:
> >> Running sbcl-2.5.10 with emacs 29.3, under linux mint 22.2.
> >>
> >> I need to increase the size of the heap to (try to avoid) a Heap
> >> exhausted error.
> >>
> >> If I open sbcl in a terminal with   sbcl --dynamic-space-size 3072
> >>
> >> and then evaluate (/ (dynamic-space-size) (expt 1024 3)), I get 3 as the
> >> (expected) value.
> >>
> >> My .emacs.d/init.el contains just these 2 lines:
> >>
> >> (load (expand-file-name "~/quicklisp/slime-helper.el"))
> >> (setq inferior-lisp-program "sbcl --dynamic-space-size 3072")
> >>
> >> There is no .emacs file.
> >>
> >> Starting emacs and then issuing M-x slime gets me a cl-user prompt.
> >> (lisp-implementation-type) and (lisp-implementation-version) return the
> >> expected values
> >>
> >> (/ (dynamic-space-size) (expt 1024 3))  returns 1, just as it does with
> >> (setq inferior-lisp-program "sbcl")
> >>
> >> I should like to know how the set dynamic-space-size in my
> >> initialization within emacs.
> >>
> >> Thanks for any advice/assistance
> >>
> >> Greg Bennett
> >>
> >>
> >> _______________________________________________
> >> Sbcl-help mailing list
> >> [email protected]
> >> https://lists.sourceforge.net/lists/listinfo/sbcl-help
>


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