Vincent Camus

Vincent
Camus
Inexact and Error Tolerant Circuit Design
Applications
Ø  Inexact and error tolerant computing is a new paradigm wherein a
small accuracy loss can be traded against significant efficiency
improvements.
Ø  While cell phones and battery powered devices can benefit of this
inaccuracy to reduce their energy consumption, high performance
computing can benefit of higher number of operation and speed
up for a given energy budget.
vincent.camus@epfl.ch EPFL
Neuchâtel
Adviser
Christian Enz
16.06.2014 – 15.06.2018
Ø Smart Energy ×
IcySoC
Challenge
Ø  The challenge of inexact circuit design is to
determine where and how to let approximation
occur without compromising the functionality or the
user experience.
Methods and results
Ø  Various techniques, such as circuit pruning and
circuit speculation have been investigated.
Independently, they have shown significant gains
in energy efficiency.
Ø  Software and algorithms have now to be
developed in a cross-layer co-design approach,
where optimizations are performed from the
physical layer up to the algorithm layer.