Sequential iteration: the Fibonacci sequence code is called iteratively multiple times to match the number of workers that were executed in the SPE and Pthread tests above.

序列迭代：多次调用Fibonacci序列代码，从而与上面的SPE和Pthread测试中执行的工作者线程匹配。

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Google searches uncovered that a mathematical concept called the Fibonacci number sequence underlies the structure of tree branches.

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