Cache Access Simulation of MPI Programs Under Heterogeneous Environment Using Single Computer
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A new cache simulation tool,which uses only single computer to simulate cache access of those parallel programs running under heterogeneous environment is presented.By specifying the parameters and substitution algorithms for each cache model bounded to each or a group of subprocesses/subthreads within one parallel program,users can obtain groups of cache access parameters.The work listed here is helpful to reduce the dependency to those real parallel environments when doing parallel simulation,meanwhile,its function can easily be extended by defining users’ own substitution algorithms or inter-process communication block to meet their own need.