2010/7/24 Alexander Motin <m...@freebsd.org> > Hi. > > I've make small observations of Intel TurboBoost technology under > FreeBSD. This technology allows Intel Core i5/i7 CPUs to rise frequency > of some cores if other cores are idle and power/thermal conditions > permit. CPU core counted as idle, if it has been put into C3 or deeper > power state (may reflect ACPI C2/C3 states). So to reach maximal > effectiveness, some tuning may be needed. > > [snip]
> > PPS: I expect even better effect achieved by further reducing interrupt > rates on idle CPUs. > > I'm currently testing a patch that eliminates another 31% of the global TLB shootdowns for a "buildworld" on an amd64 machine. So, you can expect improvement in this area. Alan _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"