因为MASS向量函数要比对一个标准库函数的重复访问快很多(倍数接近30倍)，所以最后得到的性能改善效果将会是惊人的。

Since the MASS vector functions are much faster (by a factor of up to about 30) than a repeated call to a standard library function, the resulting performance improvement can be substantial.

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向量处理器系统的性能很高，在20世纪80年代到90年代早期一度在HPC体系架构中占有统治地位，但是最近几年以来，集群变得更加流行了。

Vector processor systems deliver high performance and were the dominant HPC architecture in the 1980s and early 1990s, but clusters have become far more popular in recent years.

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另外也有用于 IBM PowerPC 970 处理器的 VMX 向量扩展，可以提高向量化代码的性能。

There are also VMX vector extensions for the IBM PowerPC 970 processor that can increase the performance of vectorized code.

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