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- Saeid Gorgin, Ghassem Jaberipur
- Microelectronics Journal
- 2009

In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: Keywords: Decimal digit sets Carry-free decimal addition Redundant number systems… (More)

- Saeid Gorgin, Ghassem Jaberipur
- 2009 19th IEEE Symposium on Computer Arithmetic
- 2009

Hardware implementation of all the basic radix-10 arithmetic operations is evolving as a new trend in the design and implementation of general purpose digital processors. Redundant representation of partial products and remainders is common in the multiplication and division hardware algorithms, respectively. Carry-free implementation of the more frequent… (More)

- Saeid Gorgin, Ghassem Jaberipur
- 2011 IEEE 20th Symposium on Computer Arithmetic
- 2011

Signed digit (SD) number systems allow for high performance carry-free adders. Maximally redundant SD (MRSD) alternatives provide maximal encoding efficiency among Radix-2^h SD number systems, whereby value of h tunes the area-time trade-off. Straightforward implementation of the conventional carry-free addition algorithm requires three O(log h)… (More)

Signed digit number systems provide the possibility of constant-time addition, where inter-digit carry propagation is eliminated. Carry-free addition for signed digit number systems is primarily a three-step process. However, the special case of maximally redundant signed digit number systems leads to more efficient carry-free addition. This has been… (More)

- Saeid Gorgin, Amir Kaivani
- 2007 IEEE/ACS International Conference on…
- 2007

Data shifting is required in many key computer operations from address decoding to computer arithmetic. Full barrel shifters are often on the critical path, which has led most research to be directed toward speed optimizations. With the advent of quantum computer and reversible logic, design and implementation of all devices in this logic has received more… (More)

- Ghassem Jaberipur, Saeid Gorgin
- Computers & Electrical Engineering
- 2010

Keywords: Computer arithmetic Maximally redundant signed-digit number system Signed digit adder Weighted bit-set encoding Inverted encoding of negabits Logical techniques and design a b s t r a c t Signed digit (SD) number systems support digit-parallel carry-free addition, where the sum digits absorb the possible signed carries in {À1, 0, 1}. Radix-2 h… (More)

- Ghassem Jaberipur, Behrooz Parhami, Saeid Gorgin
- IEEE Trans. Computers
- 2010

—Due to the widespread use and inherent complexity of floating-point addition, much effort has been devoted to its speedup via algorithmic and circuit techniques. We propose a new redundant-digit representation for floating-point numbers that leads to computation speedup in two ways: 1) Reducing the per-operation latency when multiple floating-point… (More)

- Mahdy Zolghadr, Koosha Mirhosseini, Saeid Gorgin, Abbas Nayebi
- MEMOCODE
- 2011

- Amir Kaivani, Ali Zakerolhosseini, Saeid Gorgin, Mahmood Fazlali
- 9th International Conference on Information…
- 2006

The binary coded decimal (BCD) encoding has always dominated the decimal arithmetic algorithms and their hardware implementation. Due to importance of decimal arithmetic, the decimal format defined in IEEE 754 floating point standard has been revisited. It uses densely packed decimal (DPD) encoding to store significant part of a decimal floating point… (More)

- Majid Hajibaba, Saeid Gorgin
- CIT
- 2014

The distributed computing attempts to improve performance in large-scale computing problems by resource sharing. Moreover, rising low-cost computing power coupled with advances in communications/networking and the advent of big data, now enables new distributed computing paradigms such as Cloud, Jungle and Fog computing. Cloud computing brings a number of… (More)