On 4 November 2013 14:24, Konstantin Belousov <[email protected]> wrote:
> My Intel board DQ67OW starts with the fixed CPU speed, which is > configurable in BIOS. Unless OS starts managing the frequency with the > cpufreq and powerd, CPU is locked to the pre-configured speed. It was > not easy to understand why my single-user memory b/w benchmarks show > half of the expected throughput for the cache, until I found the setting > and found that Intel defaults to 1/2 of the marketing frequency. > > For my board, it is Performance->Processor Overrides->Maximum Non-Turbo > Ratio. It was set to 17, normal CPU mode is 34, turbo is 38 max. Does powerd throttle each individual core like this? I don't have anything laptop-y that's recent enough for that to matter. -adrian _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "[email protected]"
