With that being said would having a custom kernel no longer be required to achieve the best performance?
William Balkcom On Jul 16, 2011, at 2:29 AM, Nephyrin Zey <[email protected]> wrote: > A 'frame' in the orangebox engine does this, server side: > > while (sleep(1ms)) { while (ShouldRunATick()) { RunATick() } } > > You can refer to the disassembly or even the old HL2 leak if you don't > believe me. Everyone who claims otherwise is just wrong. > > So the only advantage FPS gives is how often the idle engine wakes up to > check for the next tick. It's worth noting that sleep(1ms) could sleep 1ms, > 5ms, or even 15ms depending on the OS, kernel timer method, whether high > resolution sleeps are supported, etc.. > > So a higher FPS can give greater accuracy in tick *timing*, as each tick > would be starting closer to its ideal (at 66tick, a tick would happen exactly > every 15ms). If your FPS is 100, this means wakeups can happen +/- 10ms, > which could be almost an entire tick late. You'd still get roughly 66tick, > but with lower tick accuracy, some might argue you get worse hit registration > as you're less in sync with clients. However, most people play at pings of > 50ms or higher. Is 9ms really that significant? > > You can pull up net_graph 4 and watch the 'var: ' value, which I'm pretty > sure is the variation in wakeup times in milliseconds, hence the max lag in > milliseconds that could be alleviated by higher FPS. > > TL;DR: If you're getting solid 66 updates/second and your var is under 10, > nobody with less than 60ms ping should be complaining about "hit > registration". > > - Neph > > On 07/15/2011 11:04 PM, William Balkcom wrote: >> With valve now limiting FPS in orangebox to 500FPS, is it recommended just >> to run the server at the default now? Does this same concept apply for the >> HL1 engine and non orangebox games? Are you truly gaining anything by >> running at 500FPS? > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
