因此，没有必要担心次要的程序像填补牙齿。

So, there's no need to worry about minor procedures like fillings.

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并行程序一次要执行很多操作。

A parallel program does many things at once.

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这些技术会改进程序性能并使原本一些次要的领域得到关注，例如性能效率或者系统的灵活性。

These technologies trade pure application performance for secondary concerns, such as programmer efficiency or system flexibility.

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