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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  
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...
5 Comments  
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
27 July 2008
Mainstream NUMA & the TCP/IP stack: Part 2: Programming ccNUMA machines
This is a continuation of Part I of this article posted here . In Part 1 of this article, we looked at the capacity issues that are driving architectural changes in the TCP/IP networking stack. While network interfaces are increasing in throughput capacity, Read More...
1 Comments  
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  
02 June 2008
Introduction to Control Theory and Its Application to Computing Systems -- Part 1
Part 1 of the slide presentation. Read More...
2 Comments  
Attachment(s):Sigmetrics Tutorial On Control Engineering -- Part 1 - Introduction.pptx
02 June 2008
Introduction to Control Theory and Its Application to Computing Systems -- Part 2
Part 2 of the slide presentation. Read More...
0 Comments  
Attachment(s):Sigmetrics Tutorial on Control Engineering -- Part 2 - Self-Tuning Memory Management.ppt
02 June 2008
Introduction to Control Theory and Its Application to Computing Systems
Our DDPE colleague Joe Hellerstein, along with Tarek Abdelzaher (University of Illinois), Yixin Diao (IBM), Chenyang Lu (Washington University), and Xiaoyun Zhu (HP) , is presenting a seminar this week at ACM Sigmetrics. The session Abstract follows: Read More...
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Attachment(s):Sigmetrics Tutorial on Control Engineering -- Part 3 - Control in Distributed Real Time Systems.ppt
20 May 2008
Visual Studio Performance Testing -- Noise is Enemy #1
Performance testing is essential to our quest to make Visual Studio provide a highly responsive user experience. We do performance testing early and often. Before a new feature is checked into the main branch, a test build is created, and 100 to 200 tests Read More...
3 Comments  
01 April 2008
Thoughts on Intel's recent hardware announcements
Intel briefed customers recently about the evolution of its processor architectures to support ManyCore processors. Highlights of the press briefing include announcing the quad-core Tukwila processor that supports the IA-64 Itanium architecture and a Read More...
2 Comments  
22 March 2008
Parallel programming: Where Do We Go From Here: Part 1
The Performance of Desktop Applications in the ManyCore Era The Quad-cores are coming! The Quad-cores are coming! Beginning in early 2008, machines with the latest quad-core processors became available from the major manufacturers. Should you be excited Read More...
0 Comments  
22 March 2008
Where Do We Go From Here, Part 1.
The Performance of Desktop Applications in the ManyCore Era The Quad-cores are coming! The Quad-cores are coming! Beginning in early 2008, machines with the latest quad-core processors became available from the major manufacturers. Should you be excited Read More...
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21 March 2008
Who Am I and What Am I Doing Writing a Blog?
My name is Mark Friedman and I have been working here at Microsoft as an Architect in the Developer Division Performance Engineering team since October 2006. Although I am a newbie here, I am an industry veteran with an extensive background in software Read More...
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