Speaker
Prof.
Enrique Quintana Ortí
Description
Energy consumption is a crucial challenge that the high performance
computing community will have to face to efficiently leverage the
Exascale systems that will be available at the end of this decade. In
this talk we will motivate the roots of the power wall, and introduce a
"recipe" of measures that are being implemented in hardware as well
as scientific applications in order to
reduce energy consumption:
1) Selection of energy efficient hardware
2) Dynamic voltage-frequency scaling
3) Dynamic concurrency throttling
4) Suppression of polling
5) Approximate computing
6) Near threshold voltage computing
7) Use of energy proportional hardware
8) Virtualization of computational resources
