Efficiency anylysis of photochemical reactions simulation based on SMP cluster
基于SMP集群的激光化学反应模拟效率分析*

A parallel simulation system of photochemical reactions is designed and realized based on SMP cluster. Photochemical reactions simulation is implementation by using atomic decomposition algorithm and parallel matrix multiplication. The parallel efficiency is investigated by using fine-grained method with 8 threads and 16 threads on the condition of using fixed number of processors. Tested on SMP cluster, The simulation of the molecular with 500 carbon atoms is tested by using 128-core processor, The parallel efficiency is over 70%. The results also strongly suggest that fine-grained is play a greater role on improving the efficiency. The system can simulate Photochemical Reactions of moleculer system including hundreds of atoms.