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Karim Belabas on Sat, 12 Oct 2024 15:04:30 +0200
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Re: PARI with --enable-tls
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- To: Max Alekseyev <maxale@gmail.com>
- Subject: Re: PARI with --enable-tls
- From: Karim Belabas <Karim.Belabas@math.u-bordeaux.fr>
- Date: Sat, 12 Oct 2024 15:04:26 +0200
- Cc: Pari Users <pari-users@pari.math.u-bordeaux.fr>
- Delivery-date: Sat, 12 Oct 2024 15:04:30 +0200
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* Max Alekseyev [2024-10-12 14:56]:
> Hello,
>
> Pari can be compiled with the option:
> --enable-tls enable thread-local stack
>
> What are the advantages/disadvantages of using it? (with combination of
> --mt=pthread if that matters)
It's implied by --mt=pthread.
Without the latter, it builds a thread-safe version of the PARI library.
The downside is that it becomes a little slower. For instance the
dynamically linked gp-dyn binary ends up being about 25% slower on
many architectures; gp-sta is usually about 5% slower.
Cheers,
K.B.
--
Pr. Karim Belabas, U. Bordeaux, Vice-président en charge du Numérique
Institut de Mathématiques de Bordeaux UMR 5251 - (+33) 05 40 00 29 77
http://www.math.u-bordeaux.fr/~kbelabas/