3 ms·
I suggest you run a microbenchmark. Uncontended atomics are some of the most expensive assembly instructions out there. They also acquire global system locks on
by pclmulqdq 2y ago
I suggest you run a microbenchmark. Uncontended atomics are some of the most expensive assembly instructions out there. They also acquire global system locks on certain stages of execution.
- janwas 2y agoYep, including draining the store buffer. We've gotten our ThreadPool barrier+wait to use only acq/rel, but not yet the work stealing. Does anyone have experience with that already?