Energy-Conscious Instruction Scheduling for VLIW Architectures
A. Parikh, M. Kandemir, N. Vijaykrishnan, M. J. Irwin, and I. Kadayif
This paper presents and evaluates several instruction scheduling
algorithms that reorder a given sequence of instructions taking into
account energy consumption. We first compare a performance-oriented
scheduling technique with an energy-oriented scheduling approach
from both performance (execution cycles
of the resulting schedules) and energy consumption viewpoints.
After that, we present results from combined scheduling approaches that
consider energy and performance in a unified setting. Experimental data
on a single functional unit and multiple functional units show that
energy-oriented scheduling generates significantly different performance and
energy results than performance-oriented scheduling, and that
combined scheduling techniques deliver very good results.
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