Intel: Free Ride is Over!
Filed in archive Industry by noel on May 28, 2007

News.com reports:
After years of delivering faster and faster chips that can easily boost the performance of most desktop software, Intel says the free ride is over.
Already, chipmakers like Intel and Advanced Micro Devices are delivering processors that have multiple brains, or cores, rather than single brains that run ever faster. The challenge is that most of today's software isn't built to handle that kind of advance.
"The software has to also start following Moore's law," Intel fellow Shekhar Borkar said, referring to the notion that chips offer roughly double the performance every 18 months to two years. "Software has to double the amount of parallelism that it can support every two years."
But it's a big challenge for the industry. Things are better on the server side, where machines are handling multiple simultaneous workloads. Desktop applications can learn some from the way supercomputers and servers have handled things, but another principle, Amdahl's Law, holds that there is only so much parallelism that programs can incorporate before they hit some inherently serial task.
Speaking to a small group of reporters on Friday, Borkar said that there are other options. Applications can handle multiple distinct tasks, and systems can run multiple applications. Programs and systems can also both speculate on what tasks a user might want and use processor performance that way. But what won't work is for the industry to just keep going with business as usual.
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