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ahaka

An interesting discovery regarding performance

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Hello everyone,Today as I was my new overclock in FSX with the Queen , I came up with an interesting finding which I'm not sure if anyone has noticed before.I was flying in New York area (known as very FPS unfriendly) with weather set to "major thunderstorm" (also not FPS friendly). I had my PMDG gauge refresh rate set to 15 to improve performance. Sadly the FPS was not very great in New York area. I was only getting around 15-22 with target set to unlimited. NOTE that I am using virtual cockpit all the time here.Then, out of curiosity I tried setting the PMDG display update rate to 25fps, and to my surprise I got a noticable increase in performance! I'm talking about around 4-5fps increase. After changing the refresh rate of the gauges I was getting quite steadily slightly over 20fps, rarely dropping to around 19fps. Sometimes on the ground I would even get around 30fps.I confirmed this by doing the same setup again and it worked.I dont know what might be causing this for me. Could it be that the PMDG gauge refresh rate also limits FSX frame rate some way?Here is my hardware setup:Intel C2D E6700 overclocked to 3.77 GHzIntel P965 chipset2 GB DDR2 RAM running at 897 MhzGF 8800GTX 768MBMatrox Triplehead2go digital edition 3x 1280x768 displaysIf anyone else has noticed a similar performance gain I would like to hear about it. Or is it just something weird (in a good way) with my system?

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I confirm that, in VC I had a slight increase from 9 to 10 fpm, and in 2D a similar one, both sliders set at 25 .-AMD FX60GF8800GTS2Gb Ram

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Hi Antti!I have tested the FPS on my PC, running only Vista/FSX/PMDG with the B744 parked at EDDK gate C4. The configuration had no add-ons. I have come to the conclusions:1. that altering the values of PMDG Performance Tuning on my PC makes no difference to the FPS achieved i.e. the the Performance Tuning values set are not used,2. that the VC performance on my PC is consistently slightly better than the 2D performance,3. I want a newer and faster PC!To perform my tests, I set both the 2D and VC dials to increasing values in synchronisation from 5 thru 100 in increments of 5. I recorded the max value achieved after waiting for 5 secs for the readings to stabilise and then took the max value achieved over roughly 15 secs. The average max FPS achieved for all settings was 14.4 for 2D, and 15.5 for VC.The results of each test were:Setting 2D VC 5 13.8 15.7 10 14.3 15.6 15 14.5 15.0 20 14.8 15.5 25 14.5 15.5 30 14.4 15.4 35 14.1 15.5 40 14.9 15.3 45 14.3 15.5 50 14.1 15.4 55 14.2 15.6 60 14.4 15.4 65 14.3 15.5 70 14.8 15.5 75 14.0 15.6 80 14.6 15.7 85 14.6 15.5 90 14.6 15.7 95 14.5 15.6 100 14.5 15.5Avge 14.4 15.5Cheers, Richard

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>>I dont know what might be causing this for me. Could it be>that the PMDG gauge refresh rate also limits FSX frame rate>some way?>Are there any negative side-effects from turning the dial up? I fly in 2D all the time.Thanks,John

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Can one of you guy try this, turn on the file menu bar in game, then let your mouse pointer hover above one the menu items like 'PMDG'. For some reason on my rig, this will improve my FPS slightly.

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