FFT on XMT: Case Study of a Bandwidth-Intensive Regular Algorithm on a Highly-Parallel Many Core

Abstract

FFT has been a classic computation engine for numerous applications. The bandwidth-intensive nature of FFT capped its performance on off-the-shelf parallel machines that are bandwidth-limited, and forced application researchers into seeking easier-to-speedup alternatives to FFT, even when inferior to FFT. But, what if effective support of FFT is feasible… (More)
DOI: 10.1109/IPDPSW.2016.157
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