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Subject: Re: data structure size on Pentium 1/2/3

Author: Tom Kerrigan

Date: 09:48:28 04/18/00

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On April 18, 2000 at 12:45:36, John Coffey wrote:

>I am writting a data structure that I have to copy with every new node.  I was
>planning on using 16 bytes, but could maybe get it down to 8  using short
>integers.  I am wondering if short integers (16 bits) can be accessed any faster
>than 32 bit integers or if they are actually slower.  Also will the difference

They're actually slower.

>between copying 8 bytes and 16 bytes per node make any difference in
>terms of my overall speed?

I doubt it. That's just 2 extra instructions, moving data around in cache.

-Tom



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