Re: [tablix-list] Scope for small (5%) speed improvement in Tablix

From: John Winters <johnREMOVE@THISsinodun.org.uk>
Date: Sun Aug 08 2004 - 12:46:13 CEST

On Sat, 2004-08-07 at 17:48, Tomaz Solc wrote:
> Hi
>
> I've changed all *map structures to simple arrays as you described and
> did some benchmarking. I've made three 10 minute tests with modified and
> unmodified version of Tablix and noted the average GPM value.
> Command line I used: tablix -t10 -d3 sample.xml
>
> Modified Tablix: 953.9, 960.9, 958.3
> average: 958.5
>
> Unmodified Tablix 0.0.8: 973.5, 966.3, 975.5
> average: 971.8
>
> It seems that at least on my machine (athlon xp 2500) the unmodified
> version is slightly faster.

Interesting - clearly scope for further investigation here. I'll keep
playing with it.

Incidentally, have you come across OProfile? This allows you to profile
CPU usage (including in DLLs) without even re-compiling your code. I've
found it very useful in my investigations so far.

Cheers,
John
Received on Sun Aug 08 13:12:33 2004

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