copy-on-write

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Does deepcopy use copy-on-write?

I wonder开发者_StackOverflow社区 if the python interpreter applies copy on write strategy when doing a deepcopy on mutable objects.[详细]

2023-03-22 15:09 分类：问答
Confusion about Copy-On-Write and shared_ptr

I have searched the web and read through the Boost documentation about shared_ptr.There is a response on SO that says that shared_ptr for Copy-On-Write (COW) suc开发者_如何学JAVAks and that TR! has re[详细]

2023-03-10 07:48 分类：问答
sharing address space versus duplicating the page table entries

Before copy on write (COW), when it says that the parent and child process share the same address space, it means that they share the same code segment, data segment, heap and stack right?[详细]

2023-03-09 11:57 分类：问答
remove elements from CopyOnWriteArrayList

I am getting an exception when I try to remove elements from CopyOnWriteArrayList using an iterator. I have noticed that it is documented[详细]

2023-02-23 17:09 分类：问答
std::string copy-on-write implementation thread safety [duplicate]

This question already has answers here: Closed 11 years ago. Possible Duplicates: C++: std::string in a multi-threaded program[详细]

2023-02-10 08:36 分类：问答
Does all memory flagged as copy-on-write get copied after a single change to one piece of the data?

My question is, perhaps, a poorly worded one and stems from my amateurish understanding of memory management.[详细]

2023-02-05 07:54 分类：问答
disable copy-on-write(COW) on some memory pages when doing fork()

When a parent process forks a child process (under linux), I want to copy some of the memory pages in parent process to the address space of child process right at the beginning, which means, no need[详细]

2023-02-04 22:46 分类：问答
What is implicit sharing?

I am building a game engine library in C++. A little while back I was using Qt to开发者_开发问答 build an application and was rather fascinated with its use of Implicit Sharing. I am wondering if anyb[详细]

2023-02-03 11:04 分类：问答
Programmatically determine if std::string uses Copy-On-Write (COW) mechanism

Following up on the discussion from this question, I was wondering how does one using native C++ determine programmatically whether or not the std::string implementation they are using utilizes Copy-O[详细]

2023-01-31 18:42 分类：问答
How to know whether a copy-on-write page is an actual copy?

When I create a copy-on-write mapping (a MAP_PRIVATE) using mmap, then some pages of this mapping will be copied as soon as I write to specific addresses. At a certain point in my program I would like[详细]

2023-01-31 00:59 分类：问答