Archive for January 22nd, 2008

Jan 22 2008

One year at SCEA

Published by under Code,Games,Travel

Today is my one year anniversary with Sony. A lot happens in one year…

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Jan 22 2008

Amdahl’s Law

Published by under Code,Games

Amdahl’s law is mentioned a lot these days, especially with the multi-processor consoles which are out in the marketplace. I have been thinking a lot about how it actually applies to a typical game tick-loop. The main thing with Amdahl’s law is that it needs to be applied with all of the information or you can get incorrect results.

Amdahl’s law is the following formula:

 

Where:

F = serial part

N = num cores

For example, if you had an application which was set up as follows:

Amdahl Pic 1

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