With the rapid development of high - speed networks and the design of software for network parallel computing such as pvm , mpi , express linda and p4 , the merits of network parallel computing , such as small costs , quick returns , strong flexility and high ratio of performance to costs , are more outstanding , making the network parallel computing be favored by more and more universities and research institutes both at home and abroad and become one of the important branches of parallel and distributed computing 高速信息網絡的飛速發展以及網絡并行計算支撐軟件如pvm 、 mpi 、 express 、 linda , p4等的出現,使得網絡并行計算的投資少、見效快、靈活性強、性能價格比高等諸多優點顯得更加突出,受到國內外越來越多的大學和科研單位的青睞,已成為并行計算和分布式計算技術的重要發展方向。