UBOAT
Arnyx Mar 26, 2021 @ 7:05am
Sudden Performance Issues
Just yesterday I was playing this game with no issues, worked like a dream, but now for some reason it can't hold a stable framerate. Nothing has changed since yesterday, any ideas on why this is and possible fixes?
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Showing 1-15 of 45 comments
Dewgle Mar 26, 2021 @ 7:11am 
When you save the game do you make a new save or are you overwriting the same file over and over?

There is a known issue when it comes to the save file system. If you continue to overwrite the same file over and over eventually the file size will become too large, causing performance issues and eventually the file just won't load at all.
Arnyx Mar 26, 2021 @ 9:06am 
I generally make new saves
Dewgle Mar 26, 2021 @ 9:12am 
I see, could you post your hardware specs then please?
Last edited by Dewgle; Mar 26, 2021 @ 9:12am
Arnyx Mar 26, 2021 @ 11:22am 
I went and created a new save then it started working again. I don't really know, maybe I was running on a save which I had overwritten repeatedly. either way, this issue really needs to be fixed if it has that big of an impact
I've encountered a similar issue. After a couple months in-game my saves don't work well at all. I love the gameplay so far but this is a fatal flaw if it can't be addressed by the devs.
Guihur Aug 11, 2021 @ 3:32pm 
Originally posted by fmarionswampfox:
I've encountered a similar issue. After a couple months in-game my saves don't work well at all. I love the gameplay so far but this is a fatal flaw if it can't be addressed by the devs.
SAME HERE...
Ruby Aug 11, 2021 @ 10:11pm 
Hi,

If the performance drops, post the contents of the output_log.txt and write where it happens..
Is the problem still present when you start a new game?

Cheers Ruby
Guihur Aug 11, 2021 @ 11:24pm 
Hi
In my case, it's only when you are advance in the game, the performance start to drop about the 8-10 mission, i found the save file size is about 50Mb. I Did a test starting a new game and realize the save file is just about 4Mb and the low FPS are gone
link Aug 12, 2021 @ 6:17am 
Originally posted by Guihur:
Hi
In my case, it's only when you are advance in the game, the performance start to drop about the 8-10 mission, i found the save file size is about 50Mb. I Did a test starting a new game and realize the save file is just about 4Mb and the low FPS are gone
I think a big portion of this is data that is no longer relevant is being serialized into saves.
Also locals data (I assume) which isn't the player language may be also put to the save which isn't needed.
UBE seems to create large save files from the get go and the majority of data seems to be related to the locals file. And includes languages not utilized by the player.
Orion33 Sep 22, 2021 @ 8:10am 
Сейчас добавили автосохранения, по умолчанию три слота. Они также перезаписывают себя, из-за чего потом снижается производительность, или этот баг уже исправили?
Bucketsmith Oct 22, 2021 @ 4:36am 
This game has never run well for me. Even vanilla, and without using time compression.
Previously had a 2600k, 16GB, GTX1060 6GB. Now have a 4770k.
It's worst on the map view. Is it constantly loading 3D assets for every single entity in the entire game world or something? I'd much prefer an option for a full 2D map that only loads stuff that is nearby anyway.
DECAFBAD Oct 23, 2021 @ 4:07am 
Do you have programs running in the background that might be using up precious GPU memory?
DECAFBAD Oct 23, 2021 @ 4:08am 
Originally posted by fmarionswampfox:
I've encountered a similar issue. After a couple months in-game my saves don't work well at all. I love the gameplay so far but this is a fatal flaw if it can't be addressed by the devs.

Probably entirely unrelated to this topic
Bucketsmith Oct 23, 2021 @ 4:21am 
Originally posted by DECAFBAD:
Do you have programs running in the background that might be using up precious GPU memory?
No. I only run one game at a time.
Everyone has background programs using the CPU tho, but I have nothing out of the ordinary.
I don't have performance issues in other games that run on Unity, either.
I'm well over the recommended requirements, even.
I've checked my system, there's nothing to indicate it's on my end.

It runs at 30-50FPS at real time in 3D view, then 1-5fps at the highest two time compressions.
I get that these compressions use a lot more system resources, I've played other such games. But it shouldn't drop down that much. It shouldn't even have such low FPS during "downtime" with nothing much happening.
Changing any or all graphic settings between the lowest and the highest has literally zero impact on the performance either. I don't understand why.
DECAFBAD Oct 23, 2021 @ 4:24am 
I only know that in my case, Steam itself leaked up to 1 gig of VMEM when it was on for a long time, and it used to cause performance issues before the game got optimised with regards to graphics memory usage. Restarting steam helped avoid this for me.
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Date Posted: Mar 26, 2021 @ 7:05am
Posts: 45