Boost threads running serially, not in parallel?

If that's your real code then you have a problem for(i = 0; I Push_back(Individuo(true)); // add new entry to list _individuos.back().Start(); // start a thread for that entry }.

If that's your real code then you have a problem. For(i = 0; I It then copies that object into the list, and promptly destroys the stack object, leaving a dangling pointer in the new thread. This gives you undefined behaviour.

Since list never moves an object in memory once it has been inserted, you could start the thread after inserting into the list: for(i = 0; I Push_back(Individuo(true)); // add new entry to list _individuos.back().Start(); // start a thread for that entry }.

Yes! That was exactly the problem. I was sure it had something to do with list.

Push_back() copying the object (since I had to overload the copy ctor but couldn't really seize the issue - I tried using a pointer-to-thread instead of thread but it only arose some strange reference count errors). But I digress... Thank you very much! – ahpoblete Mar 3 at 19:26.

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