There is also the rt-timers from Ingo Molnar which can be downloaded as a patch sets from http://www.kernel.org/pub/linux/kernel/projects/rt/
Gary Stanley kirjoitti: > At 10:02 AM 3/31/2008, Erik Southworth wrote: > >> I don't know if that's a 64_bit issue or an AMD vs Intel issue. I've seen >> some hosting sites claim they can guarantee 500fps using AMD based systems. >> I think if the binary is compiled for AMD opteron and I use opteron >> hardware the bottle neck would be the kernel parameters compiled in. I'm >> currently using an Athlon /proc which is not ideal for the Opteron binary. >> It's just for testing some of the kernel builds I plan on testing. The fps >> right now is only 150fps on stock kernel with HZ=300, but it is stable. >> > > FPS is calculated by measuring the differences between 2 > gettimeofday() calls and multiplying it by, IIRC, 1000. > gettimeofday() is sourced by whatever drives your clocks. TSC is very > fast, but skews. HPET is nice to have, ACPI is slow to read and the > 8254 is very very slow to read. > > Your best bet is to use HPET if your hardware supports it. If not, use TSC. > > > -- Gary Stanley ([EMAIL PROTECTED] | [EMAIL PROTECTED]) > > http://leaf.dragonflybsd.org/~gary > > > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux

