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Dinechin, Florent de and Echeverría Aramendi, Pedro and López Vallejo, Marisa and Pasca, Bogdan (2013). Floating-point exponentiation units for reconfigurable computing. "ACM Transactions on Reconfigurable Technology and Systems (TRETS)", v. 6 (n. 1); pp. 1-15. ISSN 1936-7406. https://doi.org/10.1145/2457443.2457447.
Title: | Floating-point exponentiation units for reconfigurable computing |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | ACM Transactions on Reconfigurable Technology and Systems (TRETS) |
Date: | May 2013 |
ISSN: | 1936-7406 |
Volume: | 6 |
Subjects: | |
Freetext Keywords: | CCS for this Article, Hardware, Integrated circuits, Logic circuits, Arithmetic and datapath circuits |
Faculty: | E.T.S.I. Telecomunicación (UPM) |
Department: | Ingeniería Electrónica |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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The high performance and capacity of current FPGAs makes them suitable as acceleration co-processors. This article studies the implementation, for such accelerators, of the floating-point power function xy as defined by the C99 and IEEE 754-2008 standards, generalized here to arbitrary exponent and mantissa sizes. Last-bit accuracy at the smallest possible cost is obtained thanks to a careful study of the various subcomponents: a floating-point logarithm, a modified floating-point exponential, and a truncated floating-point multiplier. A parameterized architecture generator in the open-source FloPoCo project is presented in details and evaluated.
Item ID: | 29552 |
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DC Identifier: | http://oa.upm.es/29552/ |
OAI Identifier: | oai:oa.upm.es:29552 |
DOI: | 10.1145/2457443.2457447 |
Official URL: | http://dl.acm.org/citation.cfm?doid=2457443.2457447 |
Deposited by: | Memoria Investigacion |
Deposited on: | 06 Jul 2014 10:16 |
Last Modified: | 21 Apr 2016 23:57 |