Simviation Forum - Windows bug or...

Jul 23^rd, 2006 at 5:49pm

FridayChild Offline
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I stumbled across one of the many Windows XP tweaks (some of them good, some useless, some plain bad) suggested on the Internet:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\PriorityControl\Win32Priorit
ySeparation
The suggestion was to change this value from 2 (default) to 26 to increase the processor time devoted to the foreground application, subtracting it from the time devoted to background tasks (= good for FS2004; bad for a web server).
BUT...
I found another web site, devoted to demystifying myths about tweaks, which said that basically this operation is useless because that 26 value is already the default, and can be easily changed with Control Panel-System-Advanced-Performance -Settings-Advanced-Processor Scheduling - Programs (this btw is the default setting in Windows XP Pro).
WELL
I opened the aforementioned Control Panel applet and the setting was the default one (optimize for PROGRAMS). BY THE WAY the above mentioned registry key was set to "2".
SO
I just clicked PROGRAMS again in the Control Panel and clicked APPLY (that is, I reapplied the setting which was supposedly already in place).
And sure enough, now the registry key read "26"!!!
???
I will check if I notice any performance gain in FS2004; anyway I'm running Windows XP SP2 and I never messed with that registry key before, so it's likely to be a bug.
What is YOUR registry key reading btw? 2 or 26?

Founder of A.A.A.A.A.A.A. (Aircraft Amateurs' Association Against Absurd Aviation Acronyms) My system specifications: FLIGHT SIMULATOR 2004 - AMD Athlon 64 3200+ CPU - 3 GB PC-3200 DDR400 dual channel RAM - 500 GB Seagate Barracuda 7200 rpm SATA-II hard disk - Sapphire Radeon HD 5750 1 GB PCI-E graphic card - Logitech Wingman Force 3D joystick + Logitech Formula Force pedals My FS whereabouts: low and slow, small single engine prop GA, Italy airfields.

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Reply #1 - Jul 25^th, 2006 at 11:07am

congo Offline
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You could be right about it being a bug, nice spot.

Mainboard: Asus P5K-Premium, CPU=Intel E6850 @ x8x450fsb 3.6ghz, RAM: 4gb PC8500 Team Dark, Video: NV8800GT, HDD: 2x1Tb Samsung F3 RAID-0 + 1Tb F3, PSU: Antec 550 Basiq, OS: Win7x64, Display: 24" WS LCD

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Reply #2 - Jul 25^th, 2006 at 11:29am

FridayChild Offline
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Have you had the same behaviour?

Founder of A.A.A.A.A.A.A. (Aircraft Amateurs' Association Against Absurd Aviation Acronyms) My system specifications: FLIGHT SIMULATOR 2004 - AMD Athlon 64 3200+ CPU - 3 GB PC-3200 DDR400 dual channel RAM - 500 GB Seagate Barracuda 7200 rpm SATA-II hard disk - Sapphire Radeon HD 5750 1 GB PCI-E graphic card - Logitech Wingman Force 3D joystick + Logitech Formula Force pedals My FS whereabouts: low and slow, small single engine prop GA, Italy airfields.

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Reply #3 - Jul 26^th, 2006 at 4:52am

congo Offline
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Make BIOS your Friend
Australia

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I'm not positive, I'm going to install a drive in the next day or two, so I'll check it.

Mainboard: Asus P5K-Premium, CPU=Intel E6850 @ x8x450fsb 3.6ghz, RAM: 4gb PC8500 Team Dark, Video: NV8800GT, HDD: 2x1Tb Samsung F3 RAID-0 + 1Tb F3, PSU: Antec 550 Basiq, OS: Win7x64, Display: 24" WS LCD

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Reply #4 - Jul 26^th, 2006 at 8:59pm

beaky Offline
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When I re-applied mine, it went from (2) to (38) (?!). I may do some flying tonight; might be interesting.

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Reply #5 - Jul 27^th, 2006 at 3:03am

FridayChild Offline
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woops, the emoticon hides the number, but i assume it is "38" which is the decimal form of "26" hexadecimal, so your case is identical to mine.
[...omissis...]

« Last Edit: Jul 28^th, 2006 at 3:13pm by FridayChild »

Founder of A.A.A.A.A.A.A. (Aircraft Amateurs' Association Against Absurd Aviation Acronyms) My system specifications: FLIGHT SIMULATOR 2004 - AMD Athlon 64 3200+ CPU - 3 GB PC-3200 DDR400 dual channel RAM - 500 GB Seagate Barracuda 7200 rpm SATA-II hard disk - Sapphire Radeon HD 5750 1 GB PCI-E graphic card - Logitech Wingman Force 3D joystick + Logitech Formula Force pedals My FS whereabouts: low and slow, small single engine prop GA, Italy airfields.

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Reply #6 - Jul 27^th, 2006 at 4:25pm

FridayChild Offline
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Well on the way, head
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I may be wrong, but since [this] [...omissis again...] I have almost never saw a frame rate drop. True I don't fly over densely populated areas, but it's stuck on 25 fps. Good!

« Last Edit: Jul 28^th, 2006 at 3:15pm by FridayChild »

Founder of A.A.A.A.A.A.A. (Aircraft Amateurs' Association Against Absurd Aviation Acronyms) My system specifications: FLIGHT SIMULATOR 2004 - AMD Athlon 64 3200+ CPU - 3 GB PC-3200 DDR400 dual channel RAM - 500 GB Seagate Barracuda 7200 rpm SATA-II hard disk - Sapphire Radeon HD 5750 1 GB PCI-E graphic card - Logitech Wingman Force 3D joystick + Logitech Formula Force pedals My FS whereabouts: low and slow, small single engine prop GA, Italy airfields.

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