How can I use something like std::vector?

Question

I have a large, but potentially varying, number of objects which are concurrently written into. I want to protect that access with mutexes. To that end, I thought I use a

Answer 1

If efficiency is such a problem, I assume that you have only very small data structures which are changed very often. It is then probably better to use Atomic Compare And Swap (and other atomic operations) instead of using mutexes, specifically std::atomic_compare_exchange_strong