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Division with speculation of quotient digits

The work

AuthorsJordi Cortadella; Thomas A. Lang
Editors
Typemisc
Year1993
Also known ascortadella2002division
Citekeycortadella1993division

Where it appeared

Volume9
Pages87--94

From OpenAlex, which stores abstracts as an index of words and their positions: what is shown is rebuilt from that, and reads fluently whether or not it is what the author wrote.

Abstract

The speed of SRT-type dividers is mainly determined by the complexity of the quotient-digit selection, so that implementations are limited to low-radix stages. A scheme is presented in which the quotient-digit is speculated and, when this speculation is incorrect, a rollback or a partial advance is performed. This results in a division operation with a shorter cycle time and a variable number of cycles. Several designs have been realized, and a radix-64 implementation that is 30% faster than the fastest conventional implementation (radix-8) at an increase of about 45% in area per quotient bit has been obtained. A radix-16 implementation that is about 10% faster than the radix-8 conventional one, with the additional advantage of requiring about 25% less area per quotient bit, is also shown.>

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How it got hereagent via openalex
Added2026-10-25 10:39 UTC
Not denied bya person 2026-10-29 17:12 UTC

Cite it as

@misc{cortadella1993division,
  title        = {Division with speculation of quotient digits},
  author       = {Jordi Cortadella and Thomas A. Lang},
  year         = {1993},
  volume       = {9},
  pages        = {87--94},
  doi          = {10.1109/arith.1993.378105},
}

This record lives at https://refs.drheap.org/cortadella1993division/ and will keep doing so. It used to be called cortadella2002division, and those addresses still resolve to this one.