您可能永远不希望或不需要用不是组合语言形式的原始、数值形式，来检视机器码指令。

You probably will never have the desire or need to view machine-code instructions in their raw, numeric form, rather than assembly language.

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JIT通过将代码编译成机器码，这样可以减少翻译Python指令的时间，以此提高代码的执行速度。 “在CPython里，” Winter 解释道，“这一部分的开销很大；在这方面只做了较小的调整就使CPython 2.7有了近15%速度提升。”

Using a JIT will speed up execution by compiling to machine code, thus eliminating the overhead of fetching, decoding, and dispatching Python opcodes.

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编译器生成的指令就是将要执行的机器码，一般情况下，可以很合理地理解它们的时间特征。

The instructions generated by the compiler are the actual machine instructions that are going to be executed, and their timing characteristics are reasonably well understood in the common cases.

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