As we move forward with Visual Studio 2010 and the .NET Framework 4.0, it will become more and more important to understand, embrace and implement parallel programming patterns. Even though SharePoint 2010 still only runs on .NET 3.5, projects and components that doesn’t directly call into SharePoint, can be built upon this framework technology.
With servers now spanning multi proc/multi core (dual proc/hex core for most standard servers today), it means that a traditional single threaded application only leverages 1/24th (12 cores plus hyper-threading) of it’s potential processor power. Using simple components such as Parallel.For for instance can potentially yield much better performance and throughput to the apps we build. I’m by no means advocating consuming all 24 cores in your application on the server, but the point is that we should be thinking in parallel mode.
That said, Stephen Toub wrote the nice white paper on the subject. Yes, it’s 118 pages, but it’s well worth the read, even if just to stimulate peripheral awareness of the parallel shift in coding. I enjoyed it and I hope you do too! 
The paper is published here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=86b3d32b-ad26-4bb8-a3ae-c1637026c3ee&displaylang=en
For my own reference, I’ve also saved it off to my downloads folder just in case the above link isn’t functional some time in the future.
http://www.cjvandyk.com/blog/Downloads/Patterns%20for%20Parallel%20Programming%20-%20Understanding%20and%20Applying%20Parallel%20Patterns%20with%20the%20.NET%20Framework%204.pdfCheers
C
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