C# Windows Application running slower in Server

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I have developed an windows application in C#,it is working fine.
It does some statistical computation, and gives me result in 14 seconds when i run it on my windows 7 PC (2 GB RAM).
But just out of curiosity I ran the same application in Windows Server 2008 R2 having 16 GB RAM, but here it takes 35 seconds for the same.

Also there are no calls to external environment like db connection, interop etc, its just simple C# windows application.

Can anyone please give some insight to why this is happening.

Posted 10-Jun-14 21:17pm

pparya27

Updated 10-Jun-14 21:21pm

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Kornfeld Eliyahu Peter 11-Jun-14 3:18am

From where the data for the statistical computation come from?

pparya27 11-Jun-14 3:26am

we would input into the application

Kornfeld Eliyahu Peter 11-Jun-14 3:32am

Are you computation is CPU hungry or more storage oriented?

Bernhard Hiller 11-Jun-14 3:34am

Is Threading involved?
Were other programs actively running on that server?

pparya27 11-Jun-14 3:36am

no other programs were running, except for a web application that is hosted in IIS7.

pparya27 11-Jun-14 3:37am

Yes the computation is CPU hungry.

Kornfeld Eliyahu Peter 11-Jun-14 3:38am

The server you running on is used as a server? Has services on it?

pparya27 11-Jun-14 3:44am

Yes it is used as a server. The only difference being it is a 64 bit server and my PC is running 32 bit win 7.
and what services are you talking about?

Kornfeld Eliyahu Peter 11-Jun-14 3:59am

Services like SQL/printing - that what makes it a server!
I think that it's possible you server wasn't able to server the application with the needed amount of CPU power as your local machine did because the server had to server some clients of other nature, so you had to wait more and computation took longer...

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Mehdi Gholam · Answer 1 · 2014-06-10T21:59:00

Solution 1

Computation speed is dependent on CPU power and your memory speed (DDR3>DDR2>DDR1 etc.), check your CPU relative power index on this site : http://www.cpubenchmark.net/[^]

Also background task and processes may steal CPU cycles also.

Posted 10-Jun-14 21:59pm

Mehdi Gholam

Kornfeld Eliyahu Peter · Answer 2 · 2014-06-10T22:02:00

According to your answers the comparison you made is not real/true as the server was used to server others too.
If you want to compare performance on different machines you have to learn the art of benchmark!
Do some Google for benchmark tools and start learning...
http://lmgtfy.com/?q=how+to+compare+performance+of+two+computers[^]