ExamGuru IT/.Net Guru : .Net 1.1 SP1 - Definite measurable performance slowdown on microsoft.public.dotnet.framework.performance

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.Net 1.1 SP1 - Definite measurable performance slowdown

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This message was discovered on microsoft.public.dotnet.framework.performance.

Colin Green

Background...
I've been working on a project for some months now which runs code
that is CPU intensive, therefore I have been very careful to keep
track of the code's performance and to make optimizations where
possible.

I just installed .Net 1.1 SP1 and was curious to see how the code
performed. To my surprise it actually runs marginally slower, about
10%. I haven't yet been able to isoltate any one clas or method where
the slowdown occurs, but so I have homed in on an area of the code
that performs at 60% the speed of exactly the same code prior to SP1.

I will continue to try and isolate specific classes or methods that
might be causing this slowdown, in the mean time I wondered if anyone
else has noticed a similar loss in performance, or perhaps some one at
Microsoft can suggest why this might be happening.

In case anyone is interested, the project in question is called
SharpNEAT and is online at: www.cgreen.dsl.pipex.com

The code in question is entirely CPU bound, there are no I/O
operations in the test cases I have tried to date.

Colin Green

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Tim Anderson

"Colin Green" <Click here to reveal e-mail address> wrote in message
news:Click here to reveal e-mail address...

[Original message clipped]

This is worrying. Have you tested on several different machines?

Tim

Modifying a Visual Studio generated setup:
http://www.itwriting.com/msiwrestle.php

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