内存池库？ [英] memory pool library ?
问题描述
任何人都知道一个开源内存池库吗？我似乎无法找到任何在C中实现的（许多在C ++中可用，例如Boost）。 Google没有提供任何有用的东西......
Grey Alien< gr ** @ andromeda.comwrites ：
任何人都知道一个开源内存池库？我似乎无法找到任何在C中实现的（许多在C ++中可用，例如Boost）。谷歌
没有出现任何有用的东西...
这在很大程度上取决于你所追求的是什么样的汇集;
术语含糊不清。 Apache有一个内存实现
池，GNU libc通过它的另一个来自另一个。
-
欢迎来到精彩的世界未定义的行为，其中恶魔
是鼻子，而DeathStation用户则很紧张。 --Daniel Fox
Ben Pfaff写道：
Gray Alien< gr ** @ andromeda.comwrites：
>>任何人都知道开源内存池库？我似乎无法找到任何用C实现的（许多在C ++中可用，例如Boost）。谷歌没有提供任何有用的东西...
这在很大程度上取决于你追求的是什么样的汇集;
术语含糊不清。 Apache有一个内存实现
池，GNU libc通过它的assacks有另一个。
真的很简单。我目前在程序生命周期中多次分配/删除
内存（一个结构）的小部分，并且我想要
来在prog开始时分配内存（比如说5MB）所以我没有开始使用
malloc / free（更不用说碎片了）。然后我可以在编程生命周期中，在必要时，在编程生命周期中从池中请求/释放
块。
Gray Alien写道：
...我目前在程序生命周期中多次分配/释放一小部分
内存（一个结构），我想要
在prog开始时分配内存（比如说5MB）所以我没有开销
malloc / free（更不用说碎片了）。然后，我可以在prog生命周期中根据需要从池中请求/释放
块。
最简单的系统是使用固定大小的内存块。将
大块分成几个所需大小的块。当一个块被取消分配时，将其链接到一个空闲块列表中，用于
分配。没有搜索，没有合并。你可以在大约30分钟内写出这个 - 一些在这里，更不用说了！
-
Thad
Any one know of an open source memory pool library?. I can''t seem to
find any implemented in C (many available in C++ e.g. Boost). Google is
not turning up anything useful ...
Grey Alien <gr**@andromeda.comwrites:
Any one know of an open source memory pool library?. I can''t seem to
find any implemented in C (many available in C++ e.g. Boost). Google
is not turning up anything useful ...It very much depends on what kind of pooling you''re after; the
term is ambiguous. Apache has one implementation of memory
pools, GNU libc through its obstacks has another.
--
"Welcome to the wonderful world of undefined behavior, where the demons
are nasal and the DeathStation users are nervous." --Daniel Fox
Ben Pfaff wrote:
Grey Alien <gr**@andromeda.comwrites:
>>Any one know of an open source memory pool library?. I can''t seem to
find any implemented in C (many available in C++ e.g. Boost). Google
is not turning up anything useful ...
It very much depends on what kind of pooling you''re after; the
term is ambiguous. Apache has one implementation of memory
pools, GNU libc through its obstacks has another.Anything simple really. I am currently alloc/dealloc small bits of
memory (a struct) several times during a programs lifecycle and I want
to alloc memory at prog start (say 5MB) so I don''t have the overhead of
malloc/free (not to mention fragmentation). I can then request/release
chunks from the pool as and when necessary, during the prog lifecycle.
Grey Alien wrote:
... I am currently alloc/dealloc small bits of
memory (a struct) several times during a programs lifecycle and I want
to alloc memory at prog start (say 5MB) so I don''t have the overhead of
malloc/free (not to mention fragmentation). I can then request/release
chunks from the pool as and when necessary, during the prog lifecycle.The simplest system is to work with fixed-size memory blocks. Break the
large block into several blocks of the desired size. When a block is
deallocated, link it into a list of free blocks, which is used to
allocate. No searching, no merging. You can write that in about 30
minutes -- some here, much less!
--
Thad
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