Using VirtualBox 3.0 Virtualization Software to Measure Multicore Scalability – Go Parallel
Posted on http://www.ddj.com/go-parallelThe new Sun’s VirtualBox virtualization software release offers very interesting features to allow developers to measure multicore scalability. As these new features were not available in previous versions, it is very important to consider them when evaluating a virtualization solution in order to test parallel performance in different operating systems and hardware environments.
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Work Stealing Queues in .Net 4 and in Previous Versions – Go Parallel
Posted on http://www.ddj.com/go-parallel
.Net 4.0 Beta 1 offers a new and improved thread pool engine. It uses work stealing queues to provide nice load-balancing capabilities, better performance and greater scalability. The work stealing mechanism allows you to reduce the scheduling overhead in highly parallelized algorithms.
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Intel’s Hyper-Threading Strikes Back
Posted on http://www.ddj.com/go-parallel/blog/archives/2009/04/intels_hyperthr.html
Intel’s Hyper-Threading technology was introduced with the 3.06 GHz Pentium 4 microprocessor. A few years later, the new Intel Core i7 processors offer Hyper-Threading again.
About
I am researching about parallel programming, multiprocessor and multicore since 1997. My last research is a new Packt’s book, www.packtpub.com. Book’s page: http://www.packtpub.com/beginners-guide-for-C-sharp-2008-and-2005-threaded-programming/book. I’ve been working with computers since I was eight. I began programming with the legendary Texas TI-99/4A and Commodore 64 home computers in the early 80s. I have a Bachelor degree in Computer Science, graduated with honors, and an MBA (Master in Business Administration), graduated with an outstanding thesis. I have worked as developer, architect, and project manager for many companies in Buenos Aires, Argentina. I was project manager in one of the most important mortgage loan banks in Latin America for several years. Now, I am an independent IT consultant, and a freelance author. I am always researching about new technologies and writing about them. I am the author of more than 40 books in Spanish about computer science, modern hardware, programming, systems development, software architecture, business applications, balanced scorecard applications, IT project management, Internet, and electronics, published by Editorial HASA, http://www.hasa.com.ar and Grupo Noriega Editores. You can reach me at gastonhillar@hotmail.com
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