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SUMMARY:Design\, Compilation and Runtime Solutions for Energy-Efficient Mi
 croprocessors - Timothy Jones\, University of Edinburgh
DTSTART:20081013T130000Z
DTEND:20081013T140000Z
UID:TALK14459@talks.cam.ac.uk
CONTACT:Robert Mullins
DESCRIPTION:For the last 30 years\, Moore's law has delivered an exponenti
 al growth in the number of transistors on an integrated circuit\, enabling
  higher clock frequencies and better processor performance. However\, as t
 ransistor sizes have shrunk\, the amount of energy consumed by each proces
 sor has been increasing steadily. Power is now a first-class design constr
 aint\, requiring sophisticated packaging and cooling systems to be provide
 d that can remove the generated heat from the processor. This talk will ex
 amine recently-proposed schemes to tackle this energy problem at three dif
 ferent stages in a system's life cycle: at design\, compilation and runtim
 e. It will consider the use of machine learning to design energy-efficient
  architectures and predict the performance that an optimising compiler can
  achieve on them. It will also examine a hybrid compilation / runtime sche
 me that saves energy in the instruction cache through a profile-directed c
 ode placement strategy.
LOCATION:Lecture Theatre 2\, Computer Laboratory\, William Gates Building
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