Stefano Cherubin
TAFFO: Tuning Assistant for Floating to Fixed Point Optimization
Cherubin, Stefano; Cattaneo, Daniele; Chiari, Michele; Bello, Antonio Di; Agosta, Giovanni
Authors
Daniele Cattaneo
Michele Chiari
Antonio Di Bello
Giovanni Agosta
Abstract
While many approximate computing methods are quite application-dependent, reducing the size of the data representation used in the computation has a more general applicability. We present a tuning assistant for floating to fixed point optimization (TAFFO), an LLVM-based framework designed to assist programmers in the precision tuning of software. We discuss the framework architecture and we provide guidelines to effectively tradeoff precision to improve the time-to-solution. We evaluate our framework on a well-known approximate computing benchmark suite, AXBENCH, achieving a speedup on 5 out of 6 benchmarks (up to 366%) with only a limited loss in precision (
Citation
Cherubin, S., Cattaneo, D., Chiari, M., Bello, A. D., & Agosta, G. (2020). TAFFO: Tuning Assistant for Floating to Fixed Point Optimization. IEEE Embedded Systems Letters, 12(1), 5-8. https://doi.org/10.1109/les.2019.2913774
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 22, 2019 |
Online Publication Date | Apr 29, 2019 |
Publication Date | 2020-03 |
Deposit Date | Mar 11, 2021 |
Journal | IEEE Embedded Systems Letters |
Print ISSN | 1943-0663 |
Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
Peer Reviewed | Peer Reviewed |
Volume | 12 |
Issue | 1 |
Pages | 5-8 |
DOI | https://doi.org/10.1109/les.2019.2913774 |
Public URL | http://researchrepository.napier.ac.uk/Output/2749993 |
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