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Showing results for tags 'optimizations'.
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I started this topic to track and discuss my challenges with getting the best performance out of my system. I run DCS in windowed mode and run OBS on the side. My setup Windows 10 - latest version RTX 4090, no overclocking X570 Aorus Master Ryzen 7 5800x3D, no overclocking 64GB RAM Varjo Aero Reverb G2 v1.0. Mixed Reality: best quality, 90Hz. SSD for DCS and Windows, separated Configuration Rebar enabled XMP Memory Profile Hyperthreading OFF -> update 2023-07-24 testing at the moment DCS Latest OB version 32GB Pagefile Game mode OFF Game Bar OFF Windows registry Holographic PreallocateVirtualMonitors set to 0 Windows Holographic Shell Stopped ("Go to Computer Management → System Tools → Performance → Data Collector Sets → Event Trace Sessions. In this list, find HolographicShell, right click, and choose ‘Stop’.) Windows Power Management Stopped Windows Graphics performance for DCS set to High Performance. Variable refresh rate ON HAGS OFF Nvidia Control Panel: see screenshot OBS: No render lag and no encoder lag. See screenshot for settings. Update 24-7-2024 configured to use the GPU's NVENC HEVC encoder. DCS: see screenshot Process Lasso, currently no CPU affinity set. DCS and OBS have both High priority. Edit 5-1-2023: ProBalance and Performance Mode enabled Edit 2023-07-24: Not using Process Lasso at the moment. Will test some more Open-XR Toolkit latest version: Reprojection OFF, Shaking reduction 30%. Upscaling OFF, Foveated rendering OFF, No Framerate throttling OpenXR Developer Tools latest version: Motion Reprojection: OFF Edit 7-1-2023: 3dMigoto for sharpening OFF. DCS No shader mods installed Unneccesary Windows processes killed Drivers up to date TACView on client-side disabled Nvidia latest drivers, Geforce experience disabled Update 2023-07-24: QVFR - Quad Views Foveated Rendering by @mbucchia Highly recommended! https://github.com/mbucchia/Quad-Views-Foveated/wiki Edit 01-12-2022 Changed: Disabled 3dMigoto Enabled CAS 30% sharpening inside OpenXR Update 2023-07-24 No sharpening inside Open XR Toolki Items tried with no visible advantage: Frame limiter in NVCP and OpenXR-Toolkit - Removes Judder but gives terrible ghosting VSync Adjusting DCS Desktop window size Game Mode ON 60Hz in the headset (eyes can't take it) Items still to try: Undervolting the 4090 Get a 3rd SSD and have OBS record to this SSD. -> Done OpenXR - FSR 80%: Tried, but gives degraded visuals. Clouds Ultra: keep them on for now. Nvidia Control Panel: MFAA 2X or 4X (extra visuals at no extra performance when MSAA is on?) NvidiaProfileInspector SGSSAA - Sparse Grid Supersampling 4X or 2x Processor scheduling changing to Background Services Edit 5-1-2023 Changed: DCS Shadow High, Terrain Object Shadows Default (as per advice https://forum.dcs.world/topic/313901-my-4090-vr-performance-optimization/?do=findComment&comment=5118986. Edit 7-1-2023: Tried it but did not notice difference, so reverted back. OpenXR-Toolkit: Disabled CAS Sharpening (Don't need it). OpenXR-Toolkit: Switched Motion Reprojection to automatic. (sometimes my FPS drop too low and then I would like for Reprojection to kick in). Edit 7-1-2023: Edmuss told me this does not work for DCS. So keep Reprojection OFF.
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Direct storage has not yet been implemented by any games as this is a new feature being developed by windows but it essentially enables the GPU to communicate directly with storage in order to slash graphical loading times. Could this be something that may be implemented in DCS one day? I’m by no means a subject matter expert in this field but I would really like to learn more about how this could potentially be implemented in DCS from those who know much more about this subject than I do.
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In this video I describe why the proposed 0.5 PD method for DCS shown by Lukas S does not actually work. This is not a put down of the work Lukas has done for the community, he is a respected member of the community with lots of great optimization videos for VR and every one of you should go check his channel out. I show how the PD Lukas used for his benchmarking was incorrect and how I came to the conclusion using RenderDoc and a Spreadsheet with the calculations which you can find below. DCS SteamVR Resolution Calculator - https://docs.google.com/spreadsheets/d/1ygjuleAivvA4C-EnHU2Hc6AddoRzvBvpsxe8Wse8feE/edit?usp=sharing Lukas S YT - https://www.youtube.com/channel/UC5QBBTAy6oXhzmb4zENxUQg RenderDoc - https://renderdoc.org/
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