Weird 30fps limit

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rudzik8
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Weird 30fps limit

by rudzik8 » Post

For some reason Minetest gives me only 30fps. Not a single optimize-graphics-setting changes it really, just stuck at 27-31fps. I remember fixing it somehow by changing random settings, but I cannot reproduce that.

It isn't set up as maximum fps, you can see it:

Image

So how can I fix it?
Please help!
Last edited by rudzik8 on Tue Oct 04, 2022 02:21, edited 2 times in total.
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Re: Weird 30fps limit

by Festus1965 » Post

Maybe your Graphic card and or Monitor are only set to a maximum of 30 fps ?
But I wonder, how you can see 70 fps ...
\... but I tested long time ago, my max is 60 as of graphic card setting, and after changed to 120, I HAD 120 also.
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Re: Weird 30fps limit

by rudzik8 » Post

I don't know how, but installing Xubuntu helped (?!) and now I have my 60 fps again.
So it's solved I guess?
If you're stuck with same issue try changing your videocard settings (as Festus1965 proposed) or installing Xubuntu XD

UPD: not solved, check posts below V
Last edited by rudzik8 on Tue Oct 04, 2022 02:38, edited 1 time in total.
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Re: Weird 30fps limit

by rudzik8 » Post

Again. And even worse: sometimes it can stick to 20 or even 15 fps! Not a single setting in my videocard setting should affect it (at least because I didn't even touch those settings). It's just annoying. Max FPS in minetest.conf is still at 70 (but even after changing it back to 60 (I've changed it to 70 just to see how it goes) I have same problem)
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Re: Weird 30fps limit

by rudzik8 » Post

Some observation: it seems like this 30fps limit appears shortly (few days) after reinstalling the system (I'm on linux, this problem appeared on both my Linux Mint 21 Cinnamon and Xubuntu 22.04 installations), because when playing Minetest right after reinstalling the system (with imported worlds, mods, games and so on from previous system, on which it got 30fps) it gives me clear 60fps.
It's like yesterday I got these 60fps, and today I'm starting my MineClone 2 and getting 30fps and less! It's clearly not MineClone problem, because I got same problem on my LM while playing modded MTG.
And it's clearly not affected by installing new programs: I did it all these 2 days on Xubuntu, slowly adding software I need, and Minetest still gave me 60fps. But not now >:(
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Re: Weird 30fps limit

by rudzik8 » Post

Update on observation: this huge fps drop doesn't show up on a clear new build, and appears only after few days. Deleting media cache from polluted build doesn't affect this, so I have just no idea. Probably will do an issue on GitHub about that...

UPD: nope, just copied mods, games, worlds and configuration from polluted minetest to clear minetest and same results. I don't even know anymore what the heck is happening with this game.
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Screenshot from a clear new build of 5.7.0-dev, with normal ~60fps
Screenshot from a clear new build of 5.7.0-dev, with normal ~60fps
screenshot_20221005_141825.png (325.33 KiB) Viewed 3529 times
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Re: Weird 30fps limit

by Desour » Post

Have you thought of decreasing your view range and disabling full view range?
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Re: Weird 30fps limit

by Festus1965 » Post

you should start to name your graphic card using, beside CPU and RAM (x GB of xDDR type) that I can check the Ranking of it and guess a bit better
another trick to have the best fps is to stand inside something small, where NO any large view is available
and as just wrote, lower the viewrange (or rejoin the map into this small room = mt has nothing far to try to show)
how is you fog setting also ? distance, On/off ?
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Re: Weird 30fps limit

by rudzik8 » Post

DS-minetest wrote:
Wed Oct 05, 2022 15:30
Have you thought of decreasing your view range and disabling full view range?
My view range is on 60-100 from time to time. Full view range wan't enabled
These optimization settings aren't really helping
Festus1965 wrote:
Wed Oct 05, 2022 22:57
you should start to name your graphic card using, beside CPU and RAM (x GB of xDDR type) that I can check the Ranking of it and guess a bit better
GPU: NVIDIA GT218 [GeForce 210] (512MB) with proprietary drivers installed
CPU: AMD Athlon II X4 640 (4) @ 3.00
RAM: 4GB total of two DDR2 sticks (each 2GB)
It's a weak PC, but it worked on fine 60-50fps almost all the time when I've played Minetest on Windows 7 x64
Festus1965 wrote:
Wed Oct 05, 2022 22:57
another trick to have the best fps is to stand inside something small, where NO any large view is available
It doesn't become 60fps back, just a bit better (from 20fps to 30fps in this case, but no more).
If the problem is in very heavy MineClone (with mcl_decor mod) then why did it work normally before? Besides Windows, it worked fine in few days after compile actually (I've transported this MCL world from Linux Mint (which had the same issue with this world) to Xubuntu, so it shouldn't be an actual heavy-mineclone-issue)...

Don't mind that "5.6.1-rudzik8" on top, I've just played around with "-DVERSION_EXTRA" setting while compiling, it's just a normal 5.6.1 compiled from source. Also, read attachments from bottom to top plz
Attachments
Moved from this house to a plain green area (generated by classic flat mapgen setting). 30fps too
Moved from this house to a plain green area (generated by classic flat mapgen setting). 30fps too
screenshot_20221006_083434.png (137.19 KiB) Viewed 3484 times
Looking on floor. Now it's 30fps
Looking on floor. Now it's 30fps
screenshot_20221006_083400.png (83.1 KiB) Viewed 3484 times
Min graphics I could set without using advanced settings. 20fps show up
Min graphics I could set without using advanced settings. 20fps show up
screenshot_20221006_083341.png (341.21 KiB) Viewed 3484 times
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Re: Weird 30fps limit

by mieu12 » Post

I have noticed before FPS was fixed in 5.5.0 that FPS stays at a certain level based on drawtime. With the old FPS bug using version 5.4.2 and under I was able to get 60 FPS by having a drawtime of 17ms.

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Re: Weird 30fps limit

by mieu12 » Post

The FPS bug I'm talking about is when players would set the max FPS to 60 but they would only get 49/34 FPS and enabling Vsync would give you a better result but would show a drawtime value of a constant around 16-17ms. Sorry if my sentences sound weird.

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Re: Weird 30fps limit

by rudzik8 » Post

mieu12 wrote:
Thu Oct 06, 2022 09:10
I have noticed before FPS was fixed in 5.5.0 that FPS stays at a certain level based on drawtime. With the old FPS bug using version 5.4.2 and under I was able to get 60 FPS by having a drawtime of 17ms.
mieu12 wrote:
Thu Oct 06, 2022 09:13
The FPS bug I'm talking about is when players would set the max FPS to 60 but they would only get 49/34 FPS and enabling Vsync would give you a better result but would show a drawtime value of a constant around 16-17ms. Sorry if my sentences sound weird.
Well, that's the old bug you're talking about as I can see. Enabling VSync doesn't affect anything in 5.6.1 (tried to just make sure), still FPS cut in half...
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Re: Weird 30fps limit

by Festus1965 » Post

NVIDIA GT218 [GeForce 210] (512MB)
you can set a fps from 120 in the settings max_fps, but if your graphics card cant handle that, it is worthless.
So even with my 2 GB GTX 960, with large view distance, no fog, and visited a lot of places I fall from 60 down to 20 fps, as all settings play together. Otherwise It also can do 120 fps if I want, and be careful with view, fog and so.
Ubuntu, XUbuntu
I also run Ubuntu, now 22.04 ? And when with same System, Version and a fresh MT Install can do 60 fps,
I would not dig out the 'Nvudia X Settings' Option, where I even don't remember I had to set something to get 120 anyway.

So, I am out of options, as I don't use 5.6.1 or 5.6.0 as server,
but I might be able to use the Gaming PC 5.6.1 Client and start a server and see if there is something else than 60 fps ? I mean, to try same setting as you used ... if helpful.

Yeah, I had to read all posts twice again to find, you used also 5.7.0-dev, and have the problem also in 5.6.1
but all this data is missing in the first post (versions server, client) and as fps, Graphic card type, driver ...

are you installing standard or compiling (yes, I see that ... Irrlicht version if ?) ?

good luck, ...
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Re: Weird 30fps limit

by rudzik8 » Post

Festus1965 wrote:
Thu Oct 06, 2022 16:20
are you installing standard or compiling (yes, I see that ... Irrlicht version if ?) ?
Compiling but I think it appeared in standard as well...

The more I'm investigating in this, the more I'm starting to think it's just that my PC became too old for Minetest. Sadly, buying computer parts (and especially ready computers) is quite dangerous in my country right now for multiple reasons
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