why is unbounded_array more efficient than vector?

Posted by Neil G on Stack Overflow See other posts from Stack Overflow or by Neil G
Published on 2010-04-26T02:40:49Z Indexed on 2010/04/26 2:43 UTC
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c++

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boost

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containers

It says here that

The unbounded array is similar to a std::vector in that in can grow in size beyond any fixed bound. However unbounded_array is aimed at optimal performance. Therefore unbounded_array does not model a Sequence like std::vector does.

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