Each object allocated on the GC heap has an 8-byte overhead (sync block + method table pointer).

每个在GC堆中分配的对象有一个8字节的头(同步块+方法表指针)。

youdao

It does whatever initialization is required for the module, if any, but most crucially, it also passes a pointer to the method table back to Python.

初始化函数将完成模块所要求的所有初始化操作，但更重要的是，它还把一个指向方法表的指针传回给Python。

youdao

It does whatever initialization is required for the module, if any, but most crucially, it also passes a pointer to the method table back to Python.

初始化函数将完成模块所要求的所有初始化操作，但更重要的是，它还把一个指向方法表的指针传回给Python。

youdao