Re: Cray style vectors

Liste des GroupesRevenir à c arch 
Sujet : Re: Cray style vectors
De : tr.17687 (at) *nospam* z991.linuxsc.com (Tim Rentsch)
Groupes : comp.arch
Date : 11. Mar 2024, 16:00:59
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Organisation : A noiseless patient Spider
Message-ID : <86h6hcsthw.fsf@linuxsc.com>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14
User-Agent : Gnus/5.11 (Gnus v5.11) Emacs/22.4 (gnu/linux)
anton@mips.complang.tuwien.ac.at (Anton Ertl) writes:

Tim Rentsch <tr.17687@z991.linuxsc.com> writes:
>
Second idea is to compute a double-width product,
or at least part of one, using standard multiple-precision
arithmetic, and speed compare against the floating-point method.
>
What "standard multiple-precision arithmetic" is there in C?  I am
not aware of any.

I didn't say there is.  So what else might I have meant by that
phrase?

If you have widening multiplication in the language, things are
trivial. [...]

Sure.  If things were different they wouldn't be the same.

Date Sujet#  Auteur
11 Mar 24 o Re: Cray style vectors1Tim Rentsch

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