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<t>Right - good spot KillinDuck. I didn't think to check CPU occupancy.<br/> <br/> This ties in with the results I'm seeing, as Black Shark is a super-intensive CPU game, as is Arma 2, though less so. <br/> <br/> So for whatever reason TrackIR is taking up a big chunk of CPU time.<br/> <br/> I'm run...

Cheers Hawg, but have tried without voicecomms, that's not it, for me.

<r>(Note - I had the 'with' and 'without' figures in my last post incorrectly reversed. 'With' should be the lower frame rate.)<br/> <br/> Vincent - yes I have tried as admin. <br/> <br/> I shall take your last suggestion as a graceful admission of defeat, on par with asking me to 'restart my comput...

<t>Here's some test results. These are the only games I have which support TrackIR, so my testing is somewhat limited. All FPS measured at the start of each game level/mission.<br/> <br/> Black Shark v1.01. 'Instant action'.<br/> With TrackIR - 48-52ish FPS<br/> Without TrackIR - 17-24ish FPS<br/> <...

<t>[quote=NaturalPoint - Vincent]You are getting this with both the TrackIR 5, and TrackIR 4 software?<br/> <br/> No other application Icons down by the clock? [/quote]<br/> <br/> Affirm. Tried v4 and v5 software (latest versions of each). Properly uninstalled each and restarted before installing th...

Update - it's not the 2 x GPU Crossfire setup. I disabled one of the GPUs via turning off Catalyst AI - verified only one was active via ATI Tray Tools' OSD.

No change, frames still much lower than they should be.

<t>Thanks guys.<br/> <br/> * I'm running 64-bit Win 7.<br/> * My video is ATI 4870x2, so it's Crossfire, not SLI. I'm not aware of a way to disable one GPU (both GPUs on the one card on the 4879x2, so it's not a matter of just removing a card). I'll look around and see if there's a way to run just o...

Bump.

Anyone?

Ok - a simple question someone surely must know: Is it normal for TrackIR to cause a frame rate drop?

Moving the sensor closer to me seems to have helped the juddering issue a lot.

But the bigger issue remains, that I'm losing up to half my frames per second in games...

A bit more info:

Using Trackclip.
3 solid green lights in camera, no light source interference.
Frame rate 120 (the number in brackets jumps up to higher numbers as I move - 120 - 130ish).
Tracking mode: segment.
Tracked objects: 3
Blue LED is on in-game.