Karim Belabas on Sat, 05 Jun 2004 15:08:56 +0200


[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

Re: round4 performance


* Igor Schein [2004-06-04 19:50]:
> One more thing I noticed:
> 
> ? allocatemem()
>   *** allocatemem: Warning: doubling stack size; new stack = 64000000 (61.035 Mbytes).
> ? nfdisc(x^64 + 16*x^56 - 912*x^48 + 10688*x^40 - 400288*x^32 + 6702848*x^24 + 6866688*x^16 + 295936*x^8 + 256)
> 54928660240916705829692137343476270101600957315461056543842727794765969610738510667156664877056
> 
> Why is 32MB of stack not enough?

Missing GC. 8MB are enough now.

Thanks,

    Karim.
-- 
Karim Belabas                     Tel: (+33) (0)1 69 15 57 48
Dep. de Mathematiques, Bat. 425   Fax: (+33) (0)1 69 15 60 19
Universite Paris-Sud              http://www.math.u-psud.fr/~belabas/
F-91405 Orsay (France)            http://pari.math.u-bordeaux.fr/  [PARI/GP]