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- Yamin Li, Wanming Chu
- FCCM
- 1997

Square root operation is hard to implement on FPGAs because of the complexity of the algorithms. In this paper , we present a non-restoring square root algorithm and two very simple single precision floating point square root implementations based on the algorithm on FPGAs. One is low-cost iterative implementation that uses a traditional adder/subtractor.… (More)

The binary hypercube, or n-cube, has been widely used as the interconnection network in parallel computers. However , the major drawback of the hypercube is the increase in the number of communication links for each node with the increase in the total number of nodes in the system. This paper introduces a new interconnection network for large-scale parallel… (More)

In this paper, we propose a new universal network, called recursive dual-net (RDN), as a potential candidate for the interconnection network of su-percomputers with very large scale. The recursive dual-net is based on a recursive dual-construction of a base network. A k-level dual-construction for k > 0 creates a network containing (2m) 2 k /2 nodes with… (More)

- Yamin Li, Wanming Chu
- FCCM
- 1996

This paper describes a pipelined processor (named Aizup) design and implementation for the exercise of Computer Architecture/Organization Education at the University of Aizu. The Aizup pipeline has four stages and deals with data dependency and control dependency. The Aizup was designed at Cadence environment and implemented on Xilinx XC4006PC84 FPGA chip.… (More)

This paper introduces a new interconnection network for very large parallel computers called metacube (MC). An MC network has a 2-level cube structure. An MC(k, m) network connects 2 m2 k +k nodes with m + k links per node, where k is the dimension of a high-level cube and m is the dimension of low-level cubes (clusters). An MC network is a symmetric… (More)

Overlay multicast protocols construct a virtual mesh spanning all member nodes of a multicast group. It employs standard unicast routing and forwarding to fulfill multicast functionality. The advantages of this approach are robust-ness and low overhead. However, efficiency and stability are the issues that must be addressed in the mobile ad hoc network… (More)

A low-degree dual-cube was proposed as an alternative to the hypercubes. A dual-cube DC(m) has m + 1 links per node, where m is the degree of a cluster (m-cube) and one more link is used for connecting to a node in another cluster. There are 2 m+1 clusters and hence the total number of nodes in a DC(m) is 2 2m + 1. In this paper, by using Gray code, we show… (More)

—The recursive dual-net is a newly proposed in-terconnection network for of massive parallel computers. The recursive dual-net is based on a recursive dual-construction of a base network. A k-level dual-construction for k > 0 creates a network containing (2n0) 2 k /2 nodes with node-degree d0 +k, where n0 and d0 are the number of nodes and the node-degree… (More)

A k-cluster of a tree includes a single path and k −1 sub-paths growing from that path. A k-MCore is a k-cluster that minimizes the sum of the distances of all vertices to the cluster plus the size of the cluster. This structure is motivated by the applications on overlay multicasting. The overlay mul-ticast protocol constructs a virtual mesh spanning all… (More)