On Wed, Jun 5, 2024 at 9:50 PM Andres Freund <and...@anarazel.de> wrote: > Depending on the architecture / ABI / compiler options it's often not > meaningfully more expensive to access a thread local variable than a "normal" > variable. > > I think these days it's e.g. more expensive on x86-64 windows, but not > linux. On arm the overhead of TLS is more noticeable, across platforms, > afaict.
I mean, to me, this still sounds like we want multithreading to be a build-time option. -- Robert Haas EDB: http://www.enterprisedb.com
