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09 June 2009
Parallel Scalability Isn’t Child’s Play, Part 3: The Problem with Fine-Grained Parallelism
In the last blog entry in this series , I introduced the model for parallel program scalability proposed by Neil Gunther, which I praised for being a realistic antidote to more optimistic, but better known, formulas. Gunther’s model adds a new parameter Read More...
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02 May 2009
Are we taking advantage of Parallelism?
Recently, a colleague of mine, Mark Friedman, posted a blog titled “ Parallel Scalability Isn’t Child’s Play ” in which he reviewed the merits of Amdahl Law vs. Gunther’s Law for determining the practical limits to parallelization. I would not argue with Read More...
1 Comments  
29 April 2009
Parallel Scalability Isn’t Child’s Play, Part 2: Amdahl’s Law vs. Gunther’s Law
Part 1 of this series of blog entries discussed results from simulating the performance of a massively parallel SIMD application on several alternative multi-core architectures. These results were reported by researchers at Sandia Labs and publicized Read More...
4 Comments  
22 October 2008
PDC2008 preConference Workshop
Over the past several weeks, I have been working overtime developing a presentation on web application performance to be given at the upcoming Professional Developer’s Conference (PDC), which is next week in Los Angeles. This is partly why I have been Read More...
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18 September 2008
Mainstream NUMA and the TCP/IP stack: Final Thoughts
This is a continuation of Part IV of this article posted here . Note that a final version of a white paper tying this series of five blog entries together (and a Powerpoint presentation on the subject) are attached. For many years, the effort to improve Read More...
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Attachment(s):http://cid-12a53f90793d2c8b.skydrive.live.com/self.aspx/DDPEBlogImages/Presentations%20and%20Papers/Mainstream%20NUMA%20and%20the%20TCP%20|5CMG%20paper%208220%20draft|6.docx
10 June 2008
Mainstream NUMA and the TCP/IP stack: Part I.
One of the intriguing aspects of the onset of the many-core processor era is the necessity of using parallel programming techniques to reap the performance benefits of this and future generations of processor chips. Instead of significantly faster processors, Read More...
8 Comments  
12 May 2008
VS2008 SP1 and .NET FX Beta Performance Improvements
You probably already saw Soma’s Blog on the Beta for Visual Studio 2008 and .NET FX 3.5 SP1 . If you can, please download and install the Beta quickly (be sure to read the readme for Visual Studio Professional and for Visual Studio Team System first). Read More...
13 Comments  
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