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Communications of the ACM


Inexact Design: Beyond Fault-Tolerance

ASIC chip

An ASIC chip developed by a team from Nanyang Technological University and Rice University. In 2012, that team, with colleagues from other institutions, unveiled an "approximate" computing PCMOS adder chip that is 15 times more efficient than standard add

In a new approach to making computers more efficient, called "inexact," "probabilistic," or "approximate" computing, errors are not avoided; they are welcomed. Some call it "living dangerously."

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