Purple Spikes in VR (Multiplayer)

Discussion in 'Technical & Support' started by Robert de Vries, Apr 2, 2023.

  1. Robert de Vries

    Robert de Vries Registered

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    Guys i need your help.

    I am driving in VR, and with SteamVR and fpsVR i keep getting PURPLE SPIKES.
    (normally i use OpenXR, but to get the 'something' visible ánd out off the way i am currently on SteamVR/fpsVR.)

    The pruple spikes, and dropped frames are mainly when racing online/MP, in offline/SP no problems?
    The spikes are there on the initial lap, but also during race.
    So it looks like an network issue, it happens during race, so no joining player issue.
    "Pitlane" related? can't see when others enter the pit.

    What else can i check...

    rFactor2 / plugins:
    Most off the settings to LOW, or OFF

    DISPLAY
    Mode : Fullscreen
    Resoltion : Native to screen
    Refresh rate : 144 Hz
    VSync : OFF
    Post effects : off
    FSAA : 2x
    FXAA : OFF
    Multiview : OFF

    GRAPHICS
    Circuit details : LOW
    Texture filter : 8x
    Player detail : HIGH
    Opponent detail : LOW ('HIGH' in Player.json)
    texture detail : HIGH
    Visible Cars : 10
    ingame videowall: OFF
    Rest OFF, or LOW.

    GAMEPLAY / PLUGIN
    Replay : Disabled
    Motec : Disabled (DAMPplugin)

    NETWORK
    Connection type : LAN
    1GB up / down (different setting does not matter)

    PC specs:
    CPU : AMD 5800x3D
    GPU : MSI 3090 Suprim X
    GPU : G.Skill 32Gb-3600
    MB : Gigabyte X570 UD
    M2.ssd: 980pro
    VR : HP Reverb G2 (V2 cable)
    No Overclocking is done on any component.

    WINDOWS OS
    OS: Windows 10, with all updates up to this date.
    Pagefile is fixed to 32gb
    Made some nvidia CP changes.
    ReBAR : Enabled in Bios, and Rebar flag set with nvprofile tool

    Gamebar is disabled.
    Power mode is in high performance
    All other applications closed, or minimised.

    Latest drivers NVIDIA, and AMD Chipset drivers.
    No Geforce Experience installed
    Also latest Gigabyte drivers (including Bios)

    WMR
    Overall resolution: 100%
    Per app resultion : 70%
    Refresh : 90Hz

    Using proceslasso
    Crewchief

    CPU and GPU have 14Gb and 6,7Gb memory usage (40 player MP race)
    Frame times arround:
    GPU 4,5ms
    CPU 2,5ms
    Dropped frames are rapidly increasing.
     
    Last edited: Apr 2, 2023

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