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