Re: [Flightgear-devel] Heads up: new autopilot subsystem implementation

2010-07-06 Thread syd adams
I can't update my aircraft at the moment , but to fix the ALT hold problem , change this starting at line 205 in aerostar-autopilot.xml ... instrumentation/altimeter/indicated-altitude-ft Must have been a left over experiment. My mistake , there is no VS hold with th

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Anders Gidenstam
On Tue, 6 Jul 2010, Alex Perry wrote: > Most of the _non-minimal rendering options use considerable CPU power > on any GPU that is routinely available in a mobile form factor. If we > want to be able to support non-desktop users (as well as simplify > demonstrations at trade shows), we need to ma

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Alex Perry
On Tue, Jul 6, 2010 at 5:12 AM, Csaba Halász wrote: > On Tue, Jul 6, 2010 at 1:45 PM,   wrote: >> Many modern computers are running multicore CPU's. I have noticed that >> FGFS only uses one thread in one core. And FGFS appears to be processor >> bound on my Core-I7, because the one core thread is

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Csaba Halász
On Tue, Jul 6, 2010 at 4:50 PM, Stefan Seifert wrote: > On Tuesday 06 July 2010 16:15:36 Martin Spott wrote: > >> Even though a 2.8 GHz Socket 940 Opteron is by far not state of the art >> in these days, I think this scenario is a sufficient proof that the >> statement "FG itself isn't CPU limited

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread fierst42
A right. Hence the "Cycle". I feel stupid now :-[ m Op 06-07-10 16:06, Csaba Halász schreef: > On Tue, Jul 6, 2010 at 3:58 PM, wrote: > >> Op 06-07-10 15:44, Csaba Halász schreef: >> >>> "debug ->cycle on screen stats" or somesuch, can't say right now. >>> >>> >> Di

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Stefan Seifert
On Tuesday 06 July 2010 16:15:36 Martin Spott wrote: > Even though a 2.8 GHz Socket 940 Opteron is by far not state of the art > in these days, I think this scenario is a sufficient proof that the > statement "FG itself isn't CPU limited" doesn't hold. As are the 100%. If the application is bound

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Martin Spott
Hi Csaba, Csaba Halász wrote: > FG itself isn't CPU limited, we barely use any processing power :) During preparations for some public show last year (maybe LinuxTag) I replaced the two Opteron 2 GHz CPU's by their respective 2.8 GHz counterparts and the result was an almost proportional (to the

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Csaba Halász
On Tue, Jul 6, 2010 at 3:58 PM, wrote: > Op 06-07-10 15:44, Csaba Halász schreef: >> >> "debug ->  cycle on screen stats"  or somesuch, can't say right now. >> > > Did that, but it only shows framerate and not the other stuff that is in > your picture. I probably need to set an option in preferen

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread fierst42
Op 06-07-10 15:44, Csaba Halász schreef: > > "debug -> cycle on screen stats" or somesuch, can't say right now. > Did that, but it only shows framerate and not the other stuff that is in your picture. I probably need to set an option in preferences or something like that. m -

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread fierst42
Hi Anders, Thanks. Very interesting. I added AutomaticSelection to my preferences.xml file under . At LFPO I am getting 50 FPS (25-30 before). There are two core threads each 50-60% busy. The rest is up to the graphics card probably. m Op 06-07-10 15:26, Anders Gidenstam schreef: On Tue,

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Csaba Halász
On Tue, Jul 6, 2010 at 2:58 PM, wrote: > > I have searched the wiki, but cannot find an option for on-screen OSG stats. > Which on screen OSG stats option do you mean? "debug -> cycle on screen stats" or somesuch, can't say right now. Looks like this: http://www.turboimagehost.com/p/1582270/fgf

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Anders Gidenstam
On Tue, 6 Jul 2010, fiers...@zonnet.nl wrote: Op 06-07-10 14:12, Csaba Halász schreef: I find it hard to believe that you have performance problems with a core i7, assuming you got a halfway decent graphics card to go with it. I am not having performance problems. All is well, but I noticed

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread fierst42
Op 06-07-10 14:12, Csaba Halász schreef: > I find it hard to believe that you have performance problems with a > core i7, assuming you got a halfway decent graphics card to go with > it. > I am not having performance problems. All is well, but I noticed that only one core thread is used while

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread fierst42
Op 06-07-10 14:01, James Turner schreef: > Summary - yes, it should be possible, yes it has been discussed, the > issue is about finding the time to try it, and see what breaks, and > what the potential gains are. Great! I will not bother you ;-) m ---

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Csaba Halász
On Tue, Jul 6, 2010 at 1:45 PM, wrote: > Hi > > Many modern computers are running multicore CPU's. I have noticed that > FGFS only uses one thread in one core. And FGFS appears to be processor > bound on my Core-I7, because the one core thread is 100% busy while my > FPS are dropping in areas wit

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread James Turner
On 6 Jul 2010, at 12:45, fiers...@zonnet.nl wrote: > It would be neat if more of the computing power that is available could > be used. Yes, it would :) > I do understand that in the main loop of FGFS many subsystems are > related. But would it be possible to identify subsystems that can be

Re: [Flightgear-devel] Multi core discussion

2010-07-06 Thread Heiko Schulz
> Hi > > I do not know if this has been discussed in this group > before... (I am > guessing it is...) > > Many modern computers are running multicore CPU's. I have > noticed that > FGFS only uses one thread in one core. And FGFS appears to > be processor > bound on my Core-I7, because the on

[Flightgear-devel] Multi core discussion

2010-07-06 Thread fierst42
Hi I do not know if this has been discussed in this group before... (I am guessing it is...) Many modern computers are running multicore CPU's. I have noticed that FGFS only uses one thread in one core. And FGFS appears to be processor bound on my Core-I7, because the one core thread is 100% b