第一步:预申请内存(pre-allocating the memory) 当你调用CmemoryPool的构造函数,内存池(Memory Pool)将从操作系统申请它的第一块(大的)内存块(memory-chunk)
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Determine who is allocating the memory.
断定是谁在分派内存。
When allocating memory from the heap, the contents of that memory are garbage — whatever bits happen to be left over from the last time that memory was used.
在从堆中分配内存时,不管上次使用内存之后留下了什么内容,内存中的内容都被当作垃圾。
Allocating blocks of zero-filled memory the library may need.
分配程序库可能需要的由零填充的内存块。
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