Hi Sergei, indeed, but that's only for -DBUILD_CONFIG=mysql_release or explicit -DWITH_FAST_MUTEXES=ON. I though it should be enabled by -DCMAKE_BUILD_TYPE=Release (the way I was attempting to get it).
Ok, I'll disable it in 5.5. Thanks, Sergey On Fri, Feb 28, 2014 at 09:52:00AM +0100, Sergei Golubchik wrote: > Hi, Sergey! > > On Feb 27, Sergey Vojtovich wrote: > > Hi Sergei, > > > > do you know if we ship any binaries with fast mutex (-DMY_PTHREAD_FASTMUTEX) > > enabled or officially suggest it? What was it's intention and what loads it > > was > > supposed to make faster? > > As far as I understand, we built with fastmutex on Linux. > See cmake/build_configurations/mysql_release.cmake > > > I'm trying to understand if fastmutex is worth fixing. It looks like > > duplication of PTHREAD_MUTEX_ADAPTIVE_NP, so we have double spinning > > when they're enabled. According to my recent benchmarks it shown > > worst performance. > > Disable it then :) > > Regards, > Sergei > _______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp
