Scary dark silicon is here today
October 22, 2009
Mike Muller apparently delivered a bit of Halloween scare material at his keynote at ARM Techcon in Santa Clara yesterday.
Muller's claim sounds scary but, in reality, the idea of dark silicon is happening today, not ten years from now.
If you put a temperature sensor over a dense chip designed for a portable device today, only a fraction of it would seem to be in use at any one time. At the conference, ARM launched its Cortex-A5. And one thing that vice president of marketing Eric Schorn stressed was the way you could deploy multiple cores and run them slowly, or not at all, to save power.
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