The author of boost.context did some benchmarking[1] and found that get/setcontext was an order of magnitude slower than a custom solution. Whether this matters

The author of boost.context did some benchmarking[1] and found that get/setcontext was an order of magnitude slower than a custom solution. Whether this matters is an entirely different question, but it's clear that get/setcontext has some overhead. [1] http://www.boost.org/doc/libs/1_54_0/libs/context/doc/html/context/performance.html http://www.boost.org/doc/libs/1_54_0/libs/context/doc/html/c...