Issue Description (Required): I hope that the devs at Fatshark see this because my journey of looking for a reproduceable root cause of game stutter and texture streaming not working correctly has ended! UPDATE: POTENTIAL AMD GPU FIX 9070 / 9070 XT INCLUDED I have recently came back and done some more experiementing, specifcally looking at solutions to the dreaded AMD GPU stutter and believe I have found a fix. Please try it out and let me know your experience + specs - Link Update: I have just found out that Darktide does not have Fullscreen optimisations enabled. This fix here combined with the below fixes seemed to have solved all of my issues with this game. So far many people have benefited from this. Let me know your results :slight_smile: PLEASE NOTE: I have a high end system, and an AMD graphics card (which are notorious for having issues with darktide), your mileage may vary depdning on your PC’s specs What was causing it for me? It was the texture streaming and mesh streaming config / settings. Under the file ‘settings_common.ini’,. Found in your local game files (for steam this is under C:\Program Files (x86)\Steam\steamapps\common\Warhammer 40,000 DARKTIDE\bundle\application_settings). I changed the following values: BEFORE: mesh_streamer_settings = { disable = false eviction_timeout = 5 frame_time_budget = 1 io_buffer_budget = 10240 limit = 700 streaming_buffer_size = 32 streaming_max_open_streams = 50 streaming_texture_pool_size = 400 surface_properties = "application_settings/global" texture_streamer_settings = { streaming_buffer_size = 64 streaming_texture_pool_size = 512 AFTER: mesh_streamer_settings = { disable = false eviction_timeout = 5 frame_time_budget = 1 io_buffer_budget = 10240 limit = 768 streaming_buffer_size = 128 streaming_max_open_streams = 64 streaming_texture_pool_size = 1024 surface_properties = "application_settings/global" texture_streamer_settings = { streaming_buffer_size = 128 streaming_texture_pool_size = 1024 DONT FORGET TO SAVE YOUR CHANGES *Note: I did try other configurations of values, combinations, etc. but so far in my 4 weeks of testing, this set of values has given me the best results by a large margin. It seems that making the values that I changed be a multiple of 64 makes the game smooth out for me. @DashHandsome has found the following documentation on AMD GPUs that seems to back up my trial and error solution of ‘multiple of 64’ approach - RDNA Performance Guide - AMD GPUOpen. This states that Compute Shaders . GCN runs shader threads in groups of 64 known as wave64. . RDNA runs shader threads in groups of 32 known as wave32. . Unused threads in a wave get masked out when running the shader. . Make the workgroup size a multiple of 64 to obtain best performance across all GPU generations. This has almost entirely removed stutter, my game is running unbelievable smooth, and went from struggling to hit 110fps, to averaging anywhere from between 150 to 200fps in the vast majority of scenarios. Not to mention its like my game is being played in Ultra HD. Everything is SO UNBELIEVABLY CLEAR AND DETAILED! Not sure if this works for anyone else, but for me with my AMD graphics card, this has solved ALL of my issues I’ve been plagued with for the last year. Attempted Solutions (Optional): Under settings_common.ini change these values to the following: For AMD DISABLE AMD SAM (Smart Access Memory) mesh_streamer_settings = { disable = false eviction_timeout = 5 frame_time_budget = 1 io_buffer_budget = 10240 limit = 512 or 1024 streaming_buffer_size = 128 streaming_max_open_streams = 64 streaming_texture_pool_size = 512 surface_properties = "application_settings/global" texture_streamer_settings = { streaming_buffer_size = 128 streaming_texture_pool_size = 1024 DONT FORGET TO SVAE YOUR CHANGES Platform (Required): PC - Steam [PC] PC Specifications (Optional): 9800x3D 7900xtx 32gb DDR5 6200mhz

Just to clarify the dll thing here, you want the amd_ags_x64.dll that’s signed from this page: AGS_SDK/ags_lib/lib at v6.2.0-signed · GPUOpen-LibrariesAndSDKs/AGS_SDK · GitHub Edit: This probably isn’t as helpful as I initially thought as it doesn’t work, likely due to checking for the .dll version. Checking the log gives this: 03:06:08.251 warning: [AMD_GPU_SERVICES] Failed to initialize AGS. Error code: 2. Make sure you have an up to date AMD driver. Falling back to running without AGS

@FatsharkJulia @Axloss It seems for me on AMD, setting the mesh streamer, streaming, and texture streaming sizes to a multiple of 64 solves 99% of my FPS issues with the game. Please read the edit to my post above, it even provides documentation from AMD that may (im not sure but it seems shader related which is interesting) back up my ‘multiple of 64 theory’ when it comes to AMD GPUs. The final setting that took the last of my stutters off the game was setting the mesh streamer limit to 768. I think the rest of the issues will probably come down to other optimizations that I can’t do with a config file. Hope this helps <3

I still get a tiny bit of freezing/stuttering/r-banding but it’s waaay less than before and the game generally feels much faster/smoother than before. The ultimate test for me is playing the auspex game in the train level on T4 or T5. Due to the slow moving cursor ball thing, it makes any stuttering very noticeable. With this fix the stuttering was greatly reduced.

After updates unfortunately the settings fall back. Last time i played with old settings my fps is around 80 fps and fluctuates much. After changes the fps is 120 and very stable with same video settings.

Yeah you have to save a backup of the file and rename it and then reapply it after any patches.

[image] Vizra: EXPERIMENTAL | AMD AGS DLL UPDATE (optional for AMD GPU owners) Nice guide! Will test it myself today if I can. Regarding the dll update, should I do it or not? Got kinda confused if it does work or is worthwhile through this discussion

It doesn’t seem to do anything notable from what i can tell. It actually requires game integration from devs. It’s not like updating the FidelityFX DLL for better FSR which is something we can do now with FSR 3.1

Have been suffering from stutter recently. Will try your settings and report my findings.

I dont think it is worth doing from testing. The benefits seem to be marginal / run to run variance. Its why im listing it as experimental for the time being

I fixed stutter and textures not loading in! (Texutre streaming config file change)

Warhammer 40,000: Darktide Performance Feedback

Vizra December 17, 2024, 5:38am 28

Yep, every update you have to re-apply these manually.

Its really annoying

Stuttering and performance issues

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I fixed stutter and textures not loading in! (Texutre streaming config file change)

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