Special Blight map are lagged and the fps drops to 5

Hi, When a lot of mobs appear on the map, the game starts lagging and the fps drops to 5.

Cpu - intel 4x core
Gpu - Radeon RX 550 4Gb ram
Memory - 8Gb Ram
SSD - 250 Gb

Windows resolution - 1280x720
Renderer - DX 11
Windowed fullscreen
VSync - off
Triple buffering - Disabled
Antialiasing quality Disabled
Upscale mode - bilinear
Sharpness - 15%
Lightning - shadows
Shadow quality - low
Sun shadow quaality - low
Number of light - low
Bloom - 25%
Depth of Field - Disabled
Water detail level - low
Texture quality - medium
Texture Filtering - Trilinear filtering
Dinamic culling - enabled
Dinamic resolution - enabled
target framerate - 60
engine multithreding - disabled

When I turn on engine multithreading, the fps is still 5 on the Blight map. I also can't use the multithreading engine because it's broken, it worked 5 years ago, my computer settings haven't changed, but now it's causing fps spikes and computer cores to behave erratically.

In 2015, there was a --wait for preload function, it allowed me to play the game without lags, but it was disabled, please return this function for manual use, I would use it to complete Blight map.

Image fps

https://ibb.co/fbJpkmb 56 fps before start Blight map
https://ibb.co/t0chwpf 60 fps in map before active cassia
https://ibb.co/SXm6ZjQv 51 fps when start active cassia
https://ibb.co/s7q0v0t 47 fps When I activated the 3 towers
https://ibb.co/dscPCprh 32 fps when start fight
https://ibb.co/Xfkjmt2V 13 fps after 1 minute has passed
https://ibb.co/VW77PDN1 7 fps In the midst of a battle
https://ibb.co/FLhNdys5 6 fps after 1.5 minute has passed
https://ibb.co/sJDCrwR1 5 fps after 1 minute has passed
https://ibb.co/F4gQ19pn 5 fps When the time is over
https://ibb.co/twRgBdJT 9 fps When I killed everyone
https://ibb.co/C5ytCMGS 34 fps When I just waited in the same place for 5 minutes
https://ibb.co/WNbJDr2w 38 fps When I opened all the chests and took some of the loot
https://ibb.co/Lhswj4jX 51 fps When I returned to the hideout after finish map

Thanks
Last bumped on May 14, 2025, 9:30:13 PM
Which CPU do you have?

You say you're using the DirectX 11 API. I notice you've an AMD GPU - have you tried Vulkan? I wouldn't say it's a black-and-white rule for every model, but in general their products are better optimised for it. Vulkan is heavily based on Mantle - an API developed by AMD themselves. I'm also wondering if its comparatively low CPU usage may be beneficial for you.

For your system I would be inclined to advise changing to Fullscreen mode unless you are attempting to use another program (e.g. Spotify), perhaps on a second screen. Exclusive fullscreen will reduce / eliminate performance implications of other windows (but not their associated processes).

Ultimately, I'm afraid there's likely limits to how well such content will perform on that system. I can appreciate you've taken some drastic steps already (e.g. the resolution), but Blight Maps are infamous for the number of models they spawn within rendering range at one time, and there's a limit to how well optimised that can ever be. I worry that certain hardware limitations - such as your 4 GB of VRAM - may be difficult to overcome. We might be able to eek out some incremental improvements, but I don't think we'll achieve any night-and-day differences without newer hardware.
Today… by divine decree… your patch of Excel, begins.
Intel(R) Core(TM) i5-4440 CPU @ 3.10Ghz, 3101 Mhz, core 4, logical processors 4

I tried to turn on vulkan, the game crashes and crashes and returns the setting to DX11, maybe I don't have drivers for vulkan, I read that only one driver is installed, either the usual ones on the video card or vulkan, I have the usual ones.

I understand you, thank you for your response and help, I will update the equipment whenever possible.

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