Re: Why Mobile Apps Are Slow

[Ross Bencina <rossb-lists@...>]

On 30/07/2013 10:51 AM, Coda Highland wrote:
> If your C++ vectors are getting copied around like that, your STL
> implementation sucks. Good implementations provide copy-on-write
> semantics or (as of C++11) move semantics.

I'm pretty sure C++ std::vector is never implemented with COW. That 
would make array access on a vector more expensive than using a raw array.

Even COW on std::string is not all its cracked up to be.

Ross.