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High-radix division and square-root with speculation
dc.contributor.author | Cortadella, Jordi |
dc.contributor.author | Lang Korpel, Thomas |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Ciències de la Computació |
dc.date.accessioned | 2018-11-22T11:50:15Z |
dc.date.available | 2018-11-22T11:50:15Z |
dc.date.issued | 1994-08 |
dc.identifier.citation | Cortadella, J., Lang, T. High-radix division and square-root with speculation. "IEEE transactions on computers", Agost 1994, vol. 43, núm. 8, p. 919-931. |
dc.identifier.issn | 0018-9340 |
dc.identifier.uri | http://hdl.handle.net/2117/124902 |
dc.description.abstract | The speed of high-radix digit-recurrence dividers and square-root units is mainly determined by the complexity of the result-digit selection. We present a scheme in which a simpler function speculates the result digit, and, when this speculation is incorrect, a rollback or a partial advance is performed. This results in operations with a shorter cycle time and a variable number of cycles. The scheme can be used in separate division and square-root units, or in a combined one. Several designs were realized and compared in terms of execution time and area. The fastest unit considered is a radix-512 divider with a partial advance of six bits. |
dc.format.extent | 13 p. |
dc.language.iso | eng |
dc.publisher | Institute of Electrical and Electronics Engineers (IEEE) |
dc.subject | Àrees temàtiques de la UPC::Informàtica::Arquitectura de computadors |
dc.subject.lcsh | Computer arithmetic |
dc.subject.other | Digit recurrence |
dc.subject.other | Division |
dc.subject.other | Square-mot |
dc.subject.other | Variable-time operation |
dc.title | High-radix division and square-root with speculation |
dc.type | Article |
dc.subject.lemac | Aritmètica computacional |
dc.contributor.group | Universitat Politècnica de Catalunya. ALBCOM - Algorismia, Bioinformàtica, Complexitat i Mètodes Formals |
dc.identifier.doi | 10.1109/12.295854 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | https://ieeexplore.ieee.org/document/295854 |
dc.rights.access | Open Access |
local.identifier.drac | 1636356 |
dc.description.version | Postprint (published version) |
local.citation.author | Cortadella, J.; Lang, T. |
local.citation.publicationName | IEEE transactions on computers |
local.citation.volume | 43 |
local.citation.number | 8 |
local.citation.startingPage | 919 |
local.citation.endingPage | 931 |
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