• May 2011
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Panel: Wall Ahead in Multicore Programming.

EE Times (05/03/11) Rick Merritt

A panel of experts at the recent Multicore Expo said that programmers will need new tools and methods to reap the benefits of increasingly parallel chips. “The wall is there,” says Nokia Siemens Networks’ Alex Bachmutsky. “We probably won’t have any more products without multicore processors [but] we see a lot of problems in parallel programming.” Rewriting existing programs is expensive, and although some algorithms can be changed, Bachmutsky notes that changing all the cell towers and phones is not doable. An audience member also warned that developers can no longer expect next-generation processors to boost the performance of their apps. LSI engineer Rob Munoz said that parallel software is difficult to develop, maintain, and evolve. And managing multithreaded applications where threads may move between different cores also is a problem, points out consultant Mike Anderson. He says the industry needs to understand what it means to be parallel before even thinking about a new programming language.


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