Re: Abnormous memory use for gaussian gcd()?

[Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>]

On Mon, Jun 05, 2023 at 05:51:37PM +0200, hermann@stamm-wilbrandt.de wrote:
> Transpiled GP code for 10000-digit number works fine:
> 
> $ gp 10000.gp
> ...
> 39178247477405595462999004573259238447193580865522753006504996585341802644743745733315578184178833806642718982619192126965967031226198644279480298699929676[+++]
>   ***   last result computed in 4,709 ms.
> ?
> 
> But even though I give 24G of my laptop's 32G to Pari, computation does not
> complete.
> What am I doing wrong?
> Or is this a bug in Pari/GP?
> Python 3.9, Pari/GP 2.15.3.
> 
> $ grep ^parisize /etc/gprc
> parisizemax = 24G
> parisize = 24G
> $ gp 36401.gp
> Reading GPRC: /etc/gprc
> GPRC Done.
> ...
> parisizemax = 24000000000, primelimit = 500000
> foobar
>   ***   The result history is empty.

When doing 'gp 36401.gp' there is no "result history" (that is "%1 = blah") so referencing it fails.
Probably 36401.gp is using ## (or %).

I suggest you try
./gp < 36401.gp 

I do not see anything that suggest there is a memory error.

Cheers,
Bill.