这些数据，必须在进程唤醒之前被装载到寄存器，称为硬件上下文。

The set of data that must be loaded into the registers before the process resumes its execution on the CPU is called the hardware context.

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然而，不可能优化硬件上下文切换，而改进当前的软件切换代码还有空间。

However, it is not possible to optimize a hardware context switch, while there might be room for improving the current switching code.

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硬件上下文是进程执行上下文的子集，进程执行上下文包括了进程执行的所有信息。

The hardware context is a subset of the process execution context, which includes all information needed for the process execution.

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