单项选择题

You are performing two sums: the first is a sum of two scalar variables and the second is a matrix sum of a pair of two- dimensional arrays-size 1000 by 1000. What speedup is achieved when the calculations are performed on size 1000 processors

A．50
B．100
C．999
D．none of the above
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单项选择题
若有一个计算类型的程序，它的输入只有一个X，其范围是[-1.0,1.0]，现从输入的 角度考虑设计一组测试，该程序的测试用例为-1.001，-1.0，1.0，1.001，设计这组测试用例 的方法是
A．逻辑覆盖
B．等价类划分
C．边界值分析
D．错误推测
单项选择题
The technology for carrying out multiple processing by means of multiple pipelines is called
A．Super scalar
B．Superpipeline
C．Multiple pipeline
D．Very long instruction word
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