Re: [BLACKBOX] INTEGER arithmetic speed

From: [at]} <Chris>
Date: Thu, 20 Oct 2011 23:24:44 +1030

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>-----Original Message-----
>From: BlackBox [mailto:BLACKBOX{([at]})nowhere.xy
>Campbell, Robert (SELEX GALILEO, UK)
>Sent: Thursday, 20 October 2011 7:41 PM
>To: BLACKBOX{([at]})nowhere.xy
>Subject: [BLACKBOX] FW: [BLACKBOX] INTEGER arithmetic speed
>
>
> So, I guess, the issue of 64-bit chips is not the answer.
>

I agree.

>
> It would be interesting to know if anyone had observed this LONGINT
> speed-up on an Intel machine.
>

No - just the opposite. A *very* simple multiplication test on an Intel
64-bit single-core Pentium 4 system gave results that were slower for
LONGINT by a factor of about 8! That is more like the sort of result I would
have expected.

Chris

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Received on Thu Oct 20 2011 - 14:54:44 UTC