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Multithreading [message #29776] Thu, 14 March 2002 06:19 Go to next message
the_cacc is currently offline  the_cacc
Messages: 104
Registered: October 2001
Senior Member
Yo,

Just curious, have many people got good performance gains from
multithreading in 5.5? I'm on a single processor (drat!).

Anyone like to share their findings - how much improvement, how many
processors, what kind of programs? What platforms?

Cheers,
T.
Re: Multithreading [message #29842 is a reply to message #29776] Thu, 21 March 2002 06:45 Go to previous message
the_cacc is currently offline  the_cacc
Messages: 104
Registered: October 2001
Senior Member
weitkamp@esrf.fr (Timm Weitkamp) wrote in message news:<2aa6be0a.0203210242.5a7cf301@posting.google.com>...
>
> ...Sorry I can't give
> figures on that and haven't yet tried both 5.4 and 5.5 with the same
> task on the same machine (had no time) --- I'd be among those who will
> appreciate if someone else does....
>

Yo, don't bother with a detailed test - I wasn't looking for small
margins. One might have expected multiples rather than fractions.

My own code's got this big, fat WHERE statement that would probably be
just the right application. And loads of matrix operations too... Ah,
but not sparse ones I see, back to the drawing board...

Ciao.
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