Re: [Maxima-discuss] [Maxima-commits] [git] Maxima CAS branch master updated. branch-5_47-base-1896-g4c8127730

[Raymond T. <toy...@gm...>]

On 4/24/25 11:22 AM, Camm Maguire wrote:
> Greetings!  There is (hopefully) some useful commentary on this in the
> release notes.
>
> Most briefly
>
> export GCL_MEM_BOUND=29
>
> will run in no more than 1Gb of memory, which is sufficient to build GCL
> and most other things.

Thanks!  This is most helpful.  1 GB or 2 GB of memory would be perfect 
for what I'm doing.

I did poke around on the gcl website, but I didn't exactly know what to 
look for.

>
> In more detail, the environment variables relevant to memory management
> and their defaults are described in the info pages:
>
> GCL_MEM_MULTIPLE
> GCL_MEM_BOUND
> GCL_MULTIPROCESS_MEMORY_POOL
> GCL_GC_ALLOC_MIN
> GCL_GC_PAGE_MIN
> GCL_GC_PAGE_MAX
>
> The basic idea of the defaults is to start gc at about half of available
> physical memory, and place a hard limit at physical memory + swap.  This
> may need revisiting in cases where swap is large relative to physical.
Sorry. I know you've explained this before but I just couldn't remember 
what the key words were so that I could find it again. :-(