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--- pads:gaia-videos [2020/01/16 10:15] – gda
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 ====== Adaptive distributed simulation, random initial allocation ======
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 The first video shows the distributed simulation of 9999 mobile wireless hosts using 3 execution units (e.g. CPUs), each unit manages the evolution of 3333 hosts. The initial allocation of the simulated hosts on the execution units is random.
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 In this case the initial allocation of mobile wireless hosts is arranged in stripes. This means that, at least initially, the amount of local communication is quite high. In this case, the role of the adaptive mechanism is to maintain a good clustering of the simulated hosts.
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 ====== Distributed simulation, initial allocation in stripes ======
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 In this case the adaptive mechanism is turned OFF, in a few timesteps the clustering becomes very poor and there is a performance degradation.
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