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Massive frame rate drops that are fixed by loading a save. Memory issue?


PhoebeLilies

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Been suffering massive frame rate issues during relatively short play sessions, usually after entering or exiting a cell, but it can also happen while simply wandering around. If I manage to save during the frame rate drop, loading said save results in the frame rate returning to normal. Could it be a memory issue?

 

I'm using Tick Fix and Heap Replacer. Made sure to use the Heap Replacer version that the EXE file instructed.

 

Tick Fix Settings: https://pastebin.com/1nYxdnex

Mod List: https://pastebin.com/eg9bcfRg

Load Order: https://pastebin.com/dbWbz5J0

 

EDIT: Turns out that the frame drops can happen after loading a save, but loading the same one again fixes it. Still no clue as to why this is happening.

 

Final Edit: Removing Charge's FNV HD Texture Packs and Unnecessary Physics did the trick. Seems that either one of them may have had disagreements with FNVulkan. But they're also generally unstable anyway, so says Viva New Vegas's Mods to Avoid section.

Edited by PhoebeLilies
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I am indeed using Mod Limit Fix and 4GB Patch, yes.

 

EDIT: Pretty certain that it's FNVulkan. Totally forgot I had installed it and removed it before testing again. Been testing by traveling from Goodsprings to Primm and clearing out the Bison Steve Casino. The frame rate usually shits the bed after exiting the casino, but I was surprised to see that it was still fine. Ran around a bit more before getting killed by a blind deathclaw. Frames were totally fine all throughout. Noticed some stuttering and audio lag, but I dunno if that's due to the absence of FNVulkan or if it's just New Vegas being New Vegas, regardless of the stability mods thrown at it.

 

EDIT 2: Saw a user claim to have fixed this issue by doing "unusual things," which was unhelpful, but another suggested installing Vulkan SDK, which I did, but it unfortunately didn't work. Still getting massive FPS drops anywhere between the middle and end of my usual testing routine. Even stood around for half an hour, but the frame rate never returned to normal. Not sure if simply installing Vulkan SDK was suppose to work, but I don't really know how to use what it installs, so I haven't messed with it yet. I definitely underestimated FNVulkan though. When it works, it really works.

 

EDIT 3: I've recently read Viva New Vegas's Mods to Avoid section and learned that Charge's FNV HD Texture Packs is highly unoptimized, so I've uninstalled it along with Unnecessary Physics, but I feel like it's a tad less likely that Unnecessary Physics was as much of an issue. The massive frame drops are no longer happening now, so I guess something about FNVulkan did not want to tolerate Charge's FNV HD Texture Packs or Unnecessary Physics for one reason or another. Now I can enjoy a much more stable game.

Edited by PhoebeLilies
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