In STL what is the sub-allocation?

[dolphin]

Hi all.
Recently, I read some book about the STL . I have a question that
In STL what is the sub-allocation?
Thanks!

 

[Lance Diduck]

Hi all.
Recently, I read some book about the STL . I have a question that
In STL what is the sub-allocation?
Thanks!

It is probably referring to the practice of making a block allocator
that maintains a free list of nodes (for containers like map, set and
list). This method of allocation (sometimes called a suballocator) is
far faster than the default allocator.
See http://www.dinkumware.com/manuals/?manual=compleat&page=allocators.html

Lance