On Tue, Nov 22, 2022 at 1:41 PM Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
> On my machine, the attached patch
> improved 'check-world -j8' run time by ~12 seconds (from 3min 8sec to 2min
> 56 sec) and src/test/subscription test time by ~17 seconds (from 139
> seconds to 122 seconds).
Nice!
Maybe a comment to explain why a single variable is enough? And an
assertion that it wasn't already set? And a note to future self: this
would be a candidate user of the nearby SetLatches() patch (which is
about moving SetLatch() syscalls out from under LWLocks, though this
one may not be very hot).