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Range Mapping of Input Operands for Transcendental Functions
Range Mapping of Input Operands for Transcendental Functions
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机译:超越函数的输入操作数的范围映射
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摘要
In an embodiment, a computation engine may offload a processor (e.g. a CPU) and efficiently perform transcendental functions. The computation engine may implement a range instruction that may be included in a program being executed by the CPU. The CPU may dispatch the range instruction to the computation engine. The range instruction may take an input operand (that is to be evaluated in a transcendental function, for example) and may reference a range table that defines a set of ranges for the transcendental function. The range instruction may identify one of the set of ranges that includes the input operand. For example, the range instruction may output an interval number identifying which interval of an overall set of valid input values contains the input operand. In an embodiment, the range instruction may take an input vector operand and output a vector of interval identifiers.
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