Pandora is a prominent streaming music service that offers users the ability to listen to randomized streamed music, in particular algorithm-driven genres, which group artists together by things like melody, rhythm and lyrical intent. Pandora is available through the Internet and as a mobile application, and has millions of users worldwide.
Enhanced Intel SpeedStep Technology (EIST) is a power and thermal management technology developed by Intel. EIST was introduced as a means of enabling high performance while meeting the power-saving needs of a mobile computer system.
Essentially, EIST throttles the clock speed of a central processing unit (CPU) during periods requiring minimal demand. It then brings the clock speed back up to its maximum potential when demanded by the load . This allows a computer to save power when there is less to process, yet still achieve high performance when the demand is high.
This technology is available in Core branded processors.
The earlier, non-enhanced version of SpeedStep switched frequency and voltage between low and high levels in response to a current processor load. EIST builds on this by using the following strategies:
EIST reduces the latency inherent with changing the voltage-frequency pair (P-state), thus allowing those transitions to occur more frequently. This allows for more granular, demand-based switching and can optimize the power-to-performance balance, based on the demands of the applications.
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