Hi, On 2023-06-27 14:49:48 +0300, Ants Aasma wrote: > If you want to experiment, here is a rebased version of something I > hacked up a couple of years back on the way to Fosdem Pgday. I didn't > pursue it further because I didn't have a use case where it showed a > significant difference.
Thanks for posting! Based on past experiments, anything that requires an atomic op during spinlock release on x86 will be painful :/. I'm not sure there's a realistic way to avoid that with futexes though :(. Greetings, Andres Freund