Efficient use of parallel libraries on heterogeneous Networks of Workstations |
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| Affiliation: | 1. Inst. per la Matematica Applicata, Consiglio Nazionale delle Ricerche, Via De Marini 6 (Torre di Francia), 16149 Genova, Italy;2. DISI – Università, Via Dodecaneso 35, 16146 Genova, Italy;1. Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung 413, Taiwan, ROC;2. Department of Information Management, Chang Jung University, Tainan, Taiwan, ROC;1. Department of Computer Science, University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands;2. National Institute for Nuclear and High Energy Physics (NIKHEF), Kruislaan 409, 1098 SJ Amsterdam, The Netherlands;3. Department of Computer Science, Delft University of Technology, Zuidplantsoen 4, 2628 BZ Delft, The Netherlands;4. Computer Sciences Department, University of Wisconsin, 1210 W. Dayton St., Madison, WI 53706-1685, USA |
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| Abstract: | The paper is motivated by efficiency considerations about porting mathematical software from Massively Parallel Processors (MPPs) to Networks of Workstations (NOWs). Heterogeneity of the network is the major obstacle to efficient porting: it can be overcome with a specialized system, Programming envIronment for Network of COmputers (PINCO), for monitoring available computational power at different nodes, both statically and dynamically. The structure and functionalities of PINCO are outlined, and a significant porting example, matrix multiplication, is presented. |
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