Cube connected cycles (CCC), a popular and layout-efficient alternative to the hypercube, uses duplex dimensional links. The paper proposes a variant of the CCC interconnection using simplex dimensional links. Usage of simplex links (instead of duplex) is shown to have design advantages. Cost-performance comparison of the proposed 'Directed cube connected cycles' (DCCC) structure with bidirectional CCC is shown. DCCC layout is compared with CCC layout and a routing algorithm for DCCC is proposed. A method for porting CCC algorithms to DCCC is provided, and the extent of slowdown is evaluated. DCCC can embed a loop with unit dilation and unit expansion.
机构:
Department of Computer Science, Graduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515Information Science Center, Kyushu Institute of Technology, Kitakyushu, Fukuoka 804-8550, 1-1 Sensui-cho, Tobata-ku
机构:
Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R ChinaLanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China
Li, Qiuli
Shiu, Wai Chee
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机构:
Hong Kong Baptist Univ, Dept Math, Kowloon Tong, Hong Kong, Peoples R ChinaLanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China
Shiu, Wai Chee
Yao, Haiyuan
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机构:
Northwest Normal Univ, Coll Math & Stat, Lanzhou 730000, Gansu, Peoples R ChinaLanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China