This paper designs a new type simulation system named BJX_SIM, which proposes a communication strategy for
multi-task messaging—the dynamic message aggregation mechanism (DMAM). The communication between the host
and target depends on the mechanism, which uses the circular queues in order to form a series of message fluctuation
chain, and then matches the cache through the analysis of the timestamp. The experimental results show that, BJX_SIM
system can effectively improve the simulated performance of the multi-task program.