High FPS but still jerky..

[MickDono]

Hi,

this is kind of a weird one.

My FPS is at 60 almost all of the time and never ever drops below 40, yet the game is still kind of jerking when in flight and i cant see why.
I dont play with any background processes, and have AH priority set to high.


Here are my specs:

Acer Aspire 8735G

Intel Core 2 duo processor
T6600 2.2GHz  800MHz FSB

NVIDIA GeForce GT 240M

4GB mem

500GB HD

Windows 7 Home Prem 64bit


dxdiag if needed :  http://www.mediafire.com/?ewbi9do8zckiqod

Appreciate any help

[Skuzzy]

I cannot see the DXDIAG, but it appears to be a laptop.  Power management is usually the culprit in a laptop.  You need to set it to "high performance" and do not allow anything to "sleep", for starters.

[gyrene81]

FYI, the only parts of the dxdiag needed is system information, graphics devices and sound devices. I'm not sure but I think Skuzzy has an aversion to pulling files from mediafire and some others.

What are your game graphics settings? Specifics please.

[Skuzzy]

Not an aversion, just a security issue.

[gyrene81]

Not an aversion, just a security issue.

I understand. One reason I use Dropbox, all files securely linked to multiple systems directly under my control including my work systems, all files scanned by multiple anti-virus programs.

[Skuzzy]

The problem is, there are viruses on the Internet today, which cannot be detected by any anti-virus program available in the market.  I am practicing, better safe than sorry.

[MickDono]

Laptop is on High performance.

I usually have everything on full (except self/smooth shadowing which i leave disabled)
I have tried reducing the sliders and disabling detailed terrain/water, but there is no change in performance.. still 60FPS and jerking


Apologies about the dxdiag.  here are the System/Display/Sound parts of it:

------------------
System Information
------------------
Time of this report: 8/16/2010, 22:17:22
       Machine name: BIG_ACER
   Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_gdr.100618-1621)
           Language: English (Regional Setting: English)
System Manufacturer: Acer          
       System Model: Aspire 8735                    
               BIOS: Ver 1.00PARTTBL
          Processor: Intel(R) Core(TM)2 Duo CPU     T6600  @ 2.20GHz (2 CPUs), ~2.2GHz
             Memory: 4096MB RAM
Available OS Memory: 4090MB RAM
          Page File: 2222MB used, 5957MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 11
DX Setup Parameters: Not found
   User DPI Setting: Using System DPI
 System DPI Setting: 96 DPI (100 percent)
    DWM DPI Scaling: Disabled
     DxDiag Version: 6.01.7600.16385 32bit Unicode

---------------
Display Devices
---------------
          Card name: NVIDIA GeForce GT 240M      
       Manufacturer: NVIDIA
          Chip type: GeForce GT 240M
           DAC type: Integrated RAMDAC
         Device Key: Enum\PCI\VEN_10DE&DEV_0A34&SUBSYS_02991025&REV_A2
     Display Memory: 2775 MB
   Dedicated Memory: 986 MB
      Shared Memory: 1789 MB
       Current Mode: 1680 x 945 (32 bit) (60Hz)
       Monitor Name: Generic PnP Monitor
      Monitor Model: unknown
         Monitor Id: SEC304F
        Native Mode: 1680 x 945(p) (60.000Hz)
        Output Type: Internal
        Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 8.16.0011.8766 (English)
     Driver Version: 8.16.11.8766
        DDI Version: 10.1
       Driver Model: WDDM 1.1
  Driver Attributes: Final Retail
   Driver Date/Size: 10/3/2009 19:02:06, 9613416 bytes
        WHQL Logo'd: n/a
    WHQL Date Stamp: n/a
  Device Identifier: {D7B71E3E-4974-11CF-AB51-92221DC2C535}
          Vendor ID: 0x10DE
          Device ID: 0x0A34
          SubSys ID: 0x02991025
        Revision ID: 0x00A2
 Driver Strong Name: oem5.inf:NVIDIA_SetA_Devices.NTamd64.6 .1:Section016:8.16.11.8766:pci\ven_10de&dev_0a34&subsys_02991025
     Rank Of Driver: 00E60001
        Video Accel: ModeMPEG2_A ModeMPEG2_C ModeVC1_C ModeWMV9_C
   Deinterlace Caps: {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
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                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
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       D3D9 Overlay: Supported
            DXVA-HD: Supported
       DDraw Status: Enabled
         D3D Status: Enabled
         AGP Status: Enabled

[MickDono]

-------------
Sound Devices
-------------
            Description: Speakers (Realtek High Definition Audio)
 Default Sound Playback: Yes
 Default Voice Playback: Yes
            Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10250299&REV_1002
        Manufacturer ID: 1
             Product ID: 100
                   Type: WDM
            Driver Name: RTKVHD64.sys
         Driver Version: 6.00.0001.5992 (English)
      Driver Attributes: Final Retail
            WHQL Logo'd: n/a
          Date and Size: 12/1/2009 05:40:08, 2212640 bytes
            Other Files:
        Driver Provider: Realtek Semiconductor Corp.
         HW Accel Level: Basic
              Cap Flags: 0x0
    Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
 Static/Strm HW 3D Bufs: 0, 0
              HW Memory: 0
       Voice Management: No
 EAX(tm) 2.0 Listen/Src: No, No
   I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No

            Description: Realtek Digital Output (Realtek High Definition Audio)
 Default Sound Playback: No
 Default Voice Playback: No
            Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10250299&REV_1002
        Manufacturer ID: 1
             Product ID: 100
                   Type: WDM
            Driver Name: RTKVHD64.sys
         Driver Version: 6.00.0001.5992 (English)
      Driver Attributes: Final Retail
            WHQL Logo'd: n/a
          Date and Size: 12/1/2009 05:40:08, 2212640 bytes
            Other Files:
        Driver Provider: Realtek Semiconductor Corp.
         HW Accel Level: Basic
              Cap Flags: 0x0
    Min/Max Sample Rate: 0, 0
Static/Strm HW Mix Bufs: 0, 0
 Static/Strm HW 3D Bufs: 0, 0
              HW Memory: 0
       Voice Management: No
 EAX(tm) 2.0 Listen/Src: No, No
   I3DL2(tm) Listen/Src: No, No
Sensaura(tm) ZoomFX(tm): No




Also, i have tried different resolutions / anti aliasing settings etc. to no avail 

[Ghastly]

Page File: 2222MB used, 5957MB available

How many and what processes are you running on that at the time that you pulled the DXDiag?  Was it basically how you have it set when you play, or were you running a bunch of stuff that you don't usually have running when you play?

Anyway, your GPU is pretty underpowered by gaming standards.  Another Aspire laptop with the same card posted 5816 on 3DMark 2006

http://www.notebookcheck.net/Hands-On-Acer-Aspire-5739G-in-Review.18838.0.html

which if it's apples to apples with the TomsHardware testing (which is sometimes a BIG assumption), puts the GPU performance quite literally off the bottom of the chart for today's gaming GPU's.

http://www.tomshardware.com/charts/2010-gaming-graphics-charts-q2-high-quality/3DMark06-v1.1.0,2131.html

And coupled with a 2.2 Ghz processor, you're getting hit on every side. I'd be doing everything possible to stop any and every unnecessary processes (Iobit makes game booster, which is a great tool for doing this), and I'd be running that at pretty low slider settings in AH and no AA -  and possibly even looking at how possible it might be to give up some screen coverage and run at 1024x768. 

<S>

[MickDono]

thanks very much for the info ghastly!! <S>

[MickDono]

Just a quick question though ..

shouldnt i be getting a drop of FPS  ( <60 ), in game, if the system is struggling?

[Ghastly]

You'd think so, wouldn't you?  I wonder though - I was seeing some "weirdness" with my own system in that regard.  It was obviously stuttering/sputtering, yet CTL-I showed a constant 59 even though what I was seeing appeared as though it was displaying the same frame more than once at points.

And I have very very different hardware from you.

I'm not quite sure which action I took resolved my issue - it still shows the same flat 59, but appears to actually be now. And it should, it's a pretty powerful system, running quite clean. 

<S>


 

[MickDono]

hmmm,

anyway, i appreciate the replies and ill download game booster tonight

thanks
 <S>