内存领域和内存分配器之间有什么区别? [英] What's the difference between a memory arena and a memory allocator?

问题描述

这是一个语义问题，而不是编码问题.

This is more a semantic question than a coding question....

内存领域和内存分配器之间有什么区别?

What's the difference between a memory arena and a memory allocator?

我正在C ++中工作，我看到一些使用诸如内存竞技场"，内存分配器"之类的概念的内存管理库，有时两者都在同一个库中.

I'm working in C++ and I'm seeing some memory management libs using concepts like "memory arena", "memory allocator" and sometimes both in the same lib.

我知道什么是分配器；如果只是分配器的另一个词，我只是不确定内存领域是什么.

I know what an allocator is; I'm just not sure what a memory arena is if it's not just another word for allocator.

推荐答案

内存竞技场"通常是指较大的内存块(或内存块集合)，从中分配了较小的内存块. "pool"(池)一词也常用于此类事情.

"Memory arena" typically means a large lump (or collection of lumps) of memory from which smaller lumps are allocated. The word "pool" is also commonly used for such a thing.

内存分配器"通常是指确定如何从舞台上分配内存的软件.

"Memory allocator" typically means the software that determines how to allocate memory from an arena.

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