ProbDesign3

ProbDesign3 - Emerging Technologies of Computation Montek...

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Unformatted text preview: Emerging Technologies of Computation Montek Singh COMP790-084 Oct 11, 2011 Today’s topics: ◦ more on error metrics ◦ more applications ◦ architectures and design tools ◦ challenges and benefits ◦ open questions Today: Probabilistic Design For arithmetic units, error metric based upon an error threshold, δ ◦ errors < are tolerable δ ◦ p = prob (err < ) δ δ Error metrics Applications which harness probabilistic behavior ◦ algorithms with repeated execution with the same inputs resulting in distinct outcomes (with some prob. distribution) Separate algorithm into deterministic and probabilistic parts Applications Bayesian Inference ◦ statistical inference technique mimicking human decision-making process ◦ set of hypotheses and probability weights ◦ each observation leads to a revision of prob weights ◦ Example: Example: Bayesian Networks...
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This note was uploaded on 11/28/2011 for the course COMP 790 taught by Professor Staff during the Fall '08 term at UNC.

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ProbDesign3 - Emerging Technologies of Computation Montek...

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