Reducing communication overhead is one of the goals of parallel compiling optimization.

减少通信开销是并行编译优化的主要目标之一。

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In addition, a technique of reducing synchronization overhead is given to reduce the communication overhead between iterations of parallel loops.

另外，还给出在分布式系统上降低同步开销的技术，减少了迭代间的通信次数。

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