研究生: |
謝宗麟 Chung-Lin Hsieh |
---|---|
論文名稱: |
在特殊圖上一些問題的平行演算法設計及分析 The Designs and Analyses of Parallel Algorithms for Some Problems on Special Graphs |
指導教授: |
林順喜
Lin, Shun-Shii |
學位類別: |
碩士 Master |
系所名稱: |
資訊教育研究所 Graduate Institute of Information and Computer Education |
畢業學年度: | 87 |
語文別: | 中文 |
論文頁數: | 86 |
中文關鍵詞: | 區間圖 、環弧圖 、橋接線問題 、切點問題 、連通元件問題 、二元連通元件問題 、擴張樹問題 、常數時間演算法 |
英文關鍵詞: | interval graphs, circular-arc graphs, bridge problem, articulation point problem, connected component problem, biconnected component problem, spanning tree problem, constant-time algorithm |
論文種類: | 學術論文 |
相關次數: | 點閱:339 下載:0 |
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具有可重組態匯流排系統之處理器陣列(Processor Arrays with Reconfigurable Bus Systems,簡稱PARBS)為一種平行處理的計算模型,它具有一個處理器陣列和一個可重組態匯流排系統。在此模型中,我們可以任意地動態設定所有處理器的組態,進而將其處理器陣列切割成不同的子網路,在子網路中我們可以做快速的資料傳輸動作,於是便有許多研究者在此平行計算模型上發展有效率或常數時間的平行演算法,以解決許多複雜的問題。
在本篇論文中,我們提出一個嶄新的、在一般圖中尋找橋接線的演算法。我們的演算法可以在O(1)時間內使用3D-O(n^3)或2D-O(n^4)個處理器的PARBS來解決這個問題。此外,我們在區間圖及環弧圖中也發展出尋找連通元件、切點、橋接線、二元連通元件和擴張樹的演算法,這些問題均可在O(1)的時間內,用2D-O(n^2)個處理器的PARBS來解決。
A processor array with reconfigurable bus system (abbreviated to PARBS) is a parallel computation model that consists of a processor array and a reconfigurable bus system. In this model, we can dynamically setup the configurations of all processors in order to form different sub-buses in the processor array. There are a lot of researchers that develop efficient or constant-time algorithms based on this parallel computation model in order to solve many complicated problems, because in a sub-bus the data can be broadcasted in fixed units of time.
In this thesis, we will propose a new algorithm to find all bridges of a general graph in O(1)-time on a 3D-O(n^3) or 2D-O(n^4) PARBS. We also develop some related graph algorithms to find all connected components, articulation points, bridges, biconnected components and a spanning tree of an interval graph or a circular graph in O(1)-time on a 2D-O(n^2) PARBS.
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