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Extremely low framerates, low computer load

martinborgen
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martinborgen

martinborgen

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I have framerates extremely rarely above 9. A spaceplane or rocket at 100-ish parts is usually between 2-4. Task manager shows processor load (for each logical core) to be no more than 16-20%, ram is not full (about 2,5 - 2,7 GB for KSP), and hard drive activity is very low.

Running KSP, latest update via Steam, on a (from dxdiag):


Windows 8.1 64-bit (6.3, Build 9600) (9600.winblue_r9.150322-1500)
ASUSTeK COMPUTER INC.
       System Model: X550JK
               BIOS: X550JK.303
          Processor: Intel(R) Core(TM) i5-4200H CPU @ 2.80GHz (4 CPUs), ~2.8GHz
             Memory: 8192MB RAM
Available OS Memory: 8076MB RAM
          Page File: 3545MB used, 6321MB 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: 6.03.9600.17415 64bit Unicode
Intel(R) HD Graphics 4600
       Manufacturer: Intel Corporation
          Chip type: Intel(R) HD Graphics Family
           DAC type: Internal
        Device Type: Full Device
         Device Key: Enum\PCI\VEN_8086&DEV_0416&SUBSYS_178D1043&REV_06
     Display Memory: 1792 MB
   Dedicated Memory: 32 MB
      Shared Memory: 1760 MB
       Current Mode: 1920 x 1080 (32 bit) (59Hz)
 Monitor Name: BenQ E2200HD DVI
      Monitor Model: BenQ E2200HD
         Monitor Id: BNQ790C
        Native Mode: 1920 x 1080(p) (60.000Hz)
        Output Type: HDMI
        Driver Name: igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
Driver File Version: 10.18.0010.3496 (English)
     Driver Version: 10.18.10.3496
        DDI Version: 11.1
     Feature Levels: 11.1,11.0,10.1,10.0,9.3,9.2,9.1
       Driver Model: WDDM 1.3
Graphics Preemption: DMA
 Compute Preemption: Thread
           Miracast: Supported
Hybrid Graphics GPU: Integrated
     Power P-states: Not Supported
  Driver Attributes: Final Retail
   Driver Date/Size: 3/18/2014 05:10:38, 26168168 bytes
        WHQL Logo'd: n/a
    WHQL Date Stamp: n/a
  Device Identifier: {D7B78E66-4756-11CF-5B7E-8737BBC2C735}
          Vendor ID: 0x8086
          Device ID: 0x0416
          SubSys ID: 0x178D1043
        Revision ID: 0x0006
 Driver Strong Name: oem7.inf:5f63e534dd929195:iHSWM_w81:10.18.10.3496:pci\ven_8086&dev_0416&subsys_178d1043
     Rank Of Driver: 00DA0001
        Video Accel: ModeMPEG2_A ModeMPEG2_C ModeWMV9_C ModeVC1_C 
        DXVA2 Modes: DXVA2_ModeMPEG2_VLD  DXVA2_ModeMPEG2_IDCT  DXVA2_ModeWMV9_IDCT  DXVA2_ModeVC1_IDCT  DXVA2_ModeH264_VLD_NoFGT  
   Deinterlace Caps: {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
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                     {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
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                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend 
                     {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(NV12,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend 
                     {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC1,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend 
                     {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend 
                     {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC3,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
                     {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(IMC3,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_BOBVerticalStretch 
                     {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC3,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend 
                     {BF752EF6-8CC4-457A-BE1B-08BD1CAEEE9F}: Format(In/Out)=(IMC4,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY VideoProcess_AlphaBlend DeinterlaceTech_EdgeFiltering 
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       D3D9 Overlay: Supported
            DXVA-HD: Supported
       DDraw Status: Enabled
         D3D Status: Enabled
         AGP Status: Enabled


          Card name: NVIDIA GeForce GTX 850M     
       Manufacturer: NVIDIA
          Chip type: GeForce GTX 850M
           DAC type: Integrated RAMDAC
        Device Type: Render-Only Device
         Device Key: Enum\PCI\VEN_10DE&DEV_1391&SUBSYS_178D1043&REV_A2
     Display Memory: 4039 MB
   Dedicated Memory: 1991 MB
      Shared Memory: 2048 MB
       Current Mode: n/a
        Driver Name: nvd3dumx,nvwgf2umx,nvwgf2umx,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 9.18.0013.5286 (English)
     Driver Version: 9.18.13.5286
        DDI Version: 11
     Feature Levels: 11.0,10.1,10.0,9.3,9.2,9.1
       Driver Model: WDDM 1.3
Graphics Preemption: DMA
 Compute Preemption: DMA
           Miracast: Not Supported by Graphics driver
Hybrid Graphics GPU: Discrete
     Power P-states: Not Supported
  Driver Attributes: Final Retail
   Driver Date/Size: 5/12/2015 08:27:22, 15858728 bytes
        WHQL Logo'd: n/a
    WHQL Date Stamp: n/a
  Device Identifier: n/a
          Vendor ID: 0x10DE
          Device ID: 0x1391
          SubSys ID: 0x178D1043
        Revision ID: 0x00A2
 Driver Strong Name: oem47.inf:0f066de33b1d74a7:Section217:9.18.13.5286:pci\ven_10de&dev_1391&subsys_178d1043
     Rank Of Driver: 00DA0001
        Video Accel: n/a
        DXVA2 Modes: DXVA2_ModeMPEG2_VLD  DXVA2_ModeVC1_VLD  DXVA2_ModeH264_VLD_NoFGT  
      Deinterlace Caps: n/a
       D3D9 Overlay: n/a
            DXVA-HD: n/a
       DDraw Status: Enabled
         D3D Status: Enabled
         AGP Status: Enabled







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Aakurb

Aakurb

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Posted

Same by me, very low fps. On previous versions I had gorgeous 30-40 fps always. Now near my space station the fps is about 9, on Duna near several modules it's 6. Even near a tiny Mun lander(see the image below) the fps is not higher that 14.

RbBAWWHGi5A.jpg

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martinborgen

martinborgen

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Hmm. Also my GPU doesen't seem to be the issue - judging by the fan...

I would really appreciate some help or fix for this, as it makes the game hard to enjoy. I mean, if the computer was working, I could understand, since it's by no means a supercomputer, but now it's just above idling.

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martinborgen

martinborgen

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Logs, (from a previous bug report): but I guess it's the same info.

https://drive.google.com/file/d/0B-rO2rdIDe4cMGxpQzhiS21YNUU/view?usp=sharing

https://drive.google.com/file/d/0B-rO2rdIDe4cUTJLNkF3ZDhOaDg/view?usp=sharing

I do have set in the Nvidia control panel and such to use the GTX850m card for KSP, but of course, it might explain it if it's using the HDgraphics.

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sal_vager

sal_vager

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The log says KSP is using your Geforce, but there's a lot of NaN errors:


dT is NaN! tA: 2.6855454146862, E: 0, M: 0, T: NaN

(Filename: C:/buildslave/unity/build/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 56)

Unpacking Duna Outpost on Wheels

Do you only have trouble with one craft or on one save? Try a new save.

Also if you have a mouse with a high DPI, try turning it down.

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martinborgen

martinborgen

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The log says KSP is using your Geforce, but there's a lot of NaN errors:


dT is NaN! tA: 2.6855454146862, E: 0, M: 0, T: NaN

(Filename: C:/buildslave/unity/build/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 56)

Unpacking Duna Outpost on Wheels

Do you only have trouble with one craft or on one save? Try a new save.

Also if you have a mouse with a high DPI, try turning it down.

Slightly better on a new save, which led me to clean up the debree and old probes I have. While in tracking station, I found that if I stopped tracking things, frame rates increased. All the flags lowers the FPS by quite some.

However, still I have very low frame rates without much computer load.

I haven't tried the mouse thing - I have a USB Intellimouse.

What does the NaN errors imply?

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sal_vager

sal_vager

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NaN is Not A Number, or a divide by zero, sometimes they don't do anything, but usually they eat your craft.

Sometimes if you do a find/replace on your save and change all the NaN's to 1's it works, back up first though.

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  • 2 months later...
martinborgen

martinborgen

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I have not investigated NaNs, I think I tried once, and the game diddn't like it. It happens a lot though (though negligible number of crashes/bugs). Anyone has a clue why? I have not found any correlation between their occurrence (through debug menu) and the low FPS. (As low FPS is constant, although worsened the more things going on at the same time).

Further, I've checked on GPU-Z what my GPU's up to - and it's chillin' at 10-20% load. In fact, it seems the low FPS is parallel to lowered GPU load - basically, the GPU doesn't try hard enough, and less as more things happen. Disc usage is low, memory has a margin, CPU is 10-20%. I simply cannot find the bottleneck, and it's only KSP. Recently got new nVidia drivers, no difference.

Debug menu also showed, on performance, there seems to be an FPS diagram. Mine is two lines, one at 1, the other straight at 25. The menu proclaims 25.0 FPS, both as minimum and maximum. Is this normal? I see the FPS diagram wobble/small spikes (upwards) sometimes when I unpause the game, or switch nVidia settings in the background, then back to 25.0 (while my actual FPS, measured through steam and my eyes is below 10).

Edited by martinborgen
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Padishar

Padishar

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Posted (edited)

Check what speed your cpu is running at while ksp is running. Some laptops have a habit of throttling the cpu even when something like ksp is thrashing a single core. Make sure that your machine isn't set to a power saving mode. You may need to go in the advanced settings and change the min and max cpu speeds though the high performance mode should be enough.

Edited by Padishar
Phone changed cpu to cup
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martinborgen

martinborgen

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Does rotating the view with the mouse, or opening the action menu on a part make the issue worse?

No, nothing I can notice.

Check what speed your cpu is running at while ksp is running. Some laptops have a habit of throttling the cup even when something like ksp is thrashing a single core. Make sure that your machine isn't set to a power saving mode. You may need to go in the advanced settings and change the min and max cup speeds though the high performance mode should be enough.

By speed, you mean the load or processor clocking? From memory, the clock is at 2,2+ GHz, but I will check it up for you. All the cores show similar load, all around 20%.

I have turned every slides to performance, but I might have missed some obscure one.

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martinborgen

martinborgen

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Laptop plugged in. However, I just found one power setting, masked by bad wording, (perhaps bad translation to Swedish OS), Power saving scheme selection worded as "power schemes visible on the battery meter" or something similar. I tried ticking "power4gear maximum performance", instead of "power4gear power saving". Voila, the FPS is back! Loads on 49%, FPS on 40! Ah, the smoothness!

Too many places to choose the same thing, Nvidia control panel, GeForce experience, etc. were all set to maximum performance, no power save. But this one, under control panel, energy options, was the key!

Well, still it won't work harder on re-entry when FPS is at 20, load is at 40-50%, but it's so much better, still feels smooth.

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