2)如果缺省的swap实现版的效率不足(比如你的class或者template中包含了指向实现的指针(pimpl idiom),那么就可以尝试着做一下几件事来提高swap效率。
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因此,当配置并启动这些进程时,其环境必须包含指向 DB2 数据库实现所提供的 32 位库的指针。
So, when these processes are configured and initiated, the environment must include pointers to the 32-bit libraries provided by the DB2 database implementation.
COM的客户程序通过获取指向一个对象接口的一个指针,并通过该指针来调用方法以实现与COM对象之间的互相作用,就好像对象驻留在客户程序的地址空间中一样。
A COM client interacts with a COM object by acquiring a pointer to one of the object's interfaces and invoking methods through that pointer, as if the object resides in the client's address space.
接下来,当前堆栈框架指针会被存储为指向下一个堆栈框架的后向指针,虽然尚未建立堆栈框架(这是通过负的偏移量实现的)。
Next, the current stack frame pointer is stored as the back pointer for the next stack frame, even though you haven't established the stack frame yet (this is done through negative offsets).
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