Oh, and the fact that you can't use the floating point processor directly to calculate transcendental functions (it's done in software instead).
最后我们发现无法使用浮点处理器直接计算超函数（结果使用软件实现了）...
Remember, integer arithmetic is much faster than floating-point arithmetic, as it can usually be done directly by the processor, rather than relying on external FPUs or floating point math libraries.
记住，整形数运算要比浮点数运算快得多，因为处理器可以直接进行整型数运算，浮点数运算需要依赖于外部的浮点数处理器或者浮点数数学库。
A physical processor is organized as different execution units at the hardware level, for example, fixed point and floating point operation units.
在硬件级别中，物理处理器是作为不同的执行单元进行组织的，例如定点和浮点操作单元。
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