Karim BELABAS on Tue, 22 Oct 2002 21:37:30 +0200 (MEST)


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Re: excessive bnrstark() memory requirements


On Mon, 30 Sep 2002, Igor Schein wrote:
> the following command runs out of 2GB stack on 32bit platform:
>
> bnrstark(bnrinit(bnfinit(y^3+y^2-1706*y+26543),1,1),,1);
>
> Is it possible to do something about it?

I've made a few obvious improvements to memory usage in stark.c:InitPrimes().
I still doubt the above will run to completion: you're trying to construct a
field of degree 93...

    Karim.
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Karim Belabas                    Tel: (+33) (0)1 69 15 57 48
Dép. de Mathematiques, Bat. 425  Fax: (+33) (0)1 69 15 60 19
Université Paris-Sud             Email: Karim.Belabas@math.u-psud.fr
F-91405 Orsay (France)           http://www.math.u-psud.fr/~belabas/
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