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Managing Power Dynamically


Design teams are beginning to consider dynamic power management techniques as a way of pushing the limits on performance and low power, leveraging approaches that were sidelined in the past because they were considered too difficult to deploy. Dynamic voltage and frequency scaling (DVFS), in particular, has resurfaced as a useful approach. Originally intended to dynamically balance performan... » read more

Experts At The Table: Who Pays For Low Power?


By Ed Sperling Low-Power/High-Performance Engineering sat down to discuss the cost of low power with Fadi Gebara, research staff member for IBM’s Austin Research Lab; David Pan, associate professor in the department of electrical and computer engineering at the University of Texas; Aveek Sarkar, vice president of product engineering and support at Apache Design; and Tim Whitfield, director ... » read more

Shades Of Green


By Ann Steffora Mutschler Ask five people in the electronics industry what ‘green’ means and you are sure to get five different answers. In the datacenter, the definition is a little clearer because big iron draws so many amps. But at the SoC level where does the industry stand? The answer is as multifaceted as an SoC itself, with some answers based more on one-upmanship than real met... » read more