I have no idea what is wrong with my game.

Stuttering? Lag? Latency? Idk even what to call it. I have tried allocating all different kinds of RAM, Can't even figure out how to disable certain mods to test without deleting them from a system folder. I am using flowstatevideo's Better Adventures + pack on CurseForge. The launcher says Fabric. At this point idk what the difference is. It says there are 125 mods on it, but my game says I'm running 300. I tried turning off my shaders, but then chunks wouldn't generate. I just want to play good looking and nice running minecraft. ;_; I have a 16x AMD Ryzen 7 5800x 8 Core Processor.
66 Replies
Miki_P98
Miki_P984w ago
/logstored
YAGPDB.xyz
YAGPDB.xyz4w ago
You should send your latest.log file to provide additional useful information. Logs are usually located in the .minecraft/logs directory. On Windows: %appdata%\.minecraft\logs On Linux: ~/.minecraft/logs On Mac: ~/Library/Application Support/minecraft/logs Please upload the file to mclo.gs instead of sending the raw file. This makes reading the contents of the file a lot easier and improves the chances of you getting the help needed. After uploading the file, click on Save and send the link.
Miki_P98
Miki_P984w ago
How mych RAM have you allocated to MC? What are your custom JVM/GC flags?
Krill
KrillOP4w ago
i tried different amounts from 8g to 18g
Miki_P98
Miki_P984w ago
What quality and CPU load setting do you have in DH?
Krill
KrillOP4w ago
medium quality and minimal impact
Miki_P98
Miki_P984w ago
Allocate 12 GB if you have 32 in your PC If you have 16 in the PC try allocating 10 GB Also add this flags: -Xms24576m -Xmx24576m -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+ZGenerational -XX:+AlwaysPreTouch -XX:+UseFastUnorderedTimeStamps -Xlog:async If they will crash either remove -XX:+ZGenerational or better sitch your JAVA version to 21+ .
Krill
KrillOP4w ago
im lost on the second part of that response
Miki_P98
Miki_P984w ago
What launcher are you using?
Krill
KrillOP4w ago
i launch the pack through curseforge, which opens the MC launcher and im able to do it in there, but the normal MC launcher doesnt include the installations i have for my curseforge modpacks im able to alter the ram in curseforge as well as the actual launcher so i think on both fronts im good
Miki_P98
Miki_P984w ago
I would advice you to switch from CurseForge to either Modrinth APP or Prism Modrinth APP is easier to use with nicer GUI Prism is more advanced That is because I have no idea how CurseForge works and how to set it up + it has bad logs You can stay on CurseForge though, but you will have to google yourself how to add the GC flags to it. In vanilla launcher you add the GC flags in the same place you added the RAM allocation flags
Miki_P98
Miki_P984w ago
This is how Modrinth APP looks:
No description
No description
No description
Krill
KrillOP4w ago
let me see if the vanilla launcher will save the flags if i edit them now ive been afraid to jump to another mod site cause they all seem so sketchy i see stuff like this, and even though the founder of the app commented saying its fine, i still get sketched out
Krill
KrillOP4w ago
No description
Krill
KrillOP4w ago
do i add those things to arguments or the java executable
Miki_P98
Miki_P984w ago
Currently there are 2 big well knows mod sites: - Modrinth - CurseForge Modrinth is more creator friendly and has less description bugs, some mods are available only on 1 or only on the other
Krill
KrillOP4w ago
how do i put those things into the launcher
Miki_P98
Miki_P984w ago
What are those things?
Krill
KrillOP4w ago
the code you told me to copy into the launcher where and how do i put them in
Miki_P98
Miki_P984w ago
In Modrinth, inside the settings, feild Java arguments
Krill
KrillOP4w ago
what about the vanilla launcher? same? if so how am i meant to include them because i tried pasting them with the current text in there and it didnt work
Miki_P98
Miki_P984w ago
In vanilla, same place you put the RAM allocation flag
Krill
KrillOP4w ago
and where do i paste the text? cause before it didnt work
Miki_P98
Miki_P984w ago
Same place you pasted RAM allocation flag: -Xmx12G
Krill
KrillOP4w ago
i didnt paste anything before this am i supposed to paste that whole text brick to replace the xmx12g? and leave all the rest the same
Miki_P98
Miki_P984w ago
paste it after -Xmx12G
Krill
KrillOP4w ago
didnt work the first 2 things in the line are "-Xmx12064m -Xms256m -" after that it starts listing directory things
Miki_P98
Miki_P984w ago
can you send what you have there now? Between -Xms256M and -Dminecraft.applet... paste -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+ZGenerational -XX:+AlwaysPreTouch -XX:+UseFastUnorderedTimeStamps -Xlog:async
Krill
KrillOP4w ago
didnt work
Miki_P98
Miki_P984w ago
What didn't work?
Krill
KrillOP4w ago
you said remove one if it crashes right whenver i hit play it just crashes before it loads
Miki_P98
Miki_P984w ago
remove -XX:+ZGenerational or better switch your JAVA version to 21+
Krill
KrillOP4w ago
switched java, still didnt work ill remove the thing that also didnt work
Miki_P98
Miki_P984w ago
This is still CurseForge launcher?
Krill
KrillOP4w ago
when i launch my modpack through curseforge it opens up the vanilla launcher with my modpack installations on it
Miki_P98
Miki_P984w ago
CurseForge had more viruses then Modrinth for now
Krill
KrillOP4w ago
should i just remove curseforge from my computer then? i also play wow and my addons for that are all in there. idk if wow players use another mod site
Miki_P98
Miki_P984w ago
CurseForge and Modrinth are both websites and apps
Krill
KrillOP4w ago
alright so what should i do
Miki_P98
Miki_P984w ago
The decision is yours. I've never used CurseForge and it is a pain to deal with. I won't be able to help you with GC tuning, that’s the main cause of stutter, if you stay with it. You can switch to easy to use Modrinth APP You can move all your modpack from Curseforge to Modrinth by moving a couple folder, again I have no idea where are they located You can also wait for someone with more CurseForge experience Even if you switch now, I will be able to properly help you only tomorrow
Modrinth
Download the Modrinth App!
The Modrinth App is a unique, open source launcher that allows you to play your favorite mods, and keep them up to date, all in one neat little package.
Krill
KrillOP4w ago
thats fine, ill check it out. i can just keep posting here once i get it going right?
Puhpine
Puhpine4w ago
Yea you can
Krill
KrillOP4w ago
i launched it through modrinth, tried inputting the arguments again, didnt work. facing the same issue. i think it is worldgen and shader based. but idk. game just starts lagging real hard after a few minutes. and i cant mine stone sometimes
Miki_P98
Miki_P984w ago
So what is the current state of the game? You run JAVA 21 with all the flags I pasted here and 12GB of RAM? The game does not crash, it just has very low fps? Or the game has high average fps, but stutters a lot? Is the stutter regular or irregular? Does disabling shaders or resourcepack help? /logs
YAGPDB.xyz
YAGPDB.xyz4w ago
You should send your latest.log file to provide additional useful information. Logs are usually located in the .minecraft/logs directory. On Windows: %appdata%\.minecraft\logs On Linux: ~/.minecraft/logs On Mac: ~/Library/Application Support/minecraft/logs Please upload the file to mclo.gs instead of sending the raw file. This makes reading the contents of the file a lot easier and improves the chances of you getting the help needed. After uploading the file, click on Save and send the link.
Krill
KrillOP4w ago
i have the latest java, couldnt figure out how to make the flags work, i believe i put 12 gigs in, the game crashes occasionally, but only when im messing with some settings, fps seems fine, i just get instances of... i really dont even know if its lag. the game just... lags more and more the longer it is open, which leads me to think it is worldgen. stutter might be what it is? the game runs fine without any mods or shaders on, played regular vanilla last night for hours i dont want to sacrifice render distance/ DH or shaders cause thats most of the reason im trying to make this work i feel like my machine specs can handle it no problem its just something internal thats the issue
Miki_P98
Miki_P984w ago
Look in the F3 for RAM usage, if with time the average memory usage rises and the sudden drop become more frequent some mod has a memory leak, you would need to find which mod (or mod combo) it is and report the bug for it to get fixed If during those sudden RAM usage drops is when the game "lags" then this is GC stutter, the best fix for that are custom GC tuning flags . . Here are 4 sets of GC tuning flags I have on hand: - -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+ZGenerational -XX:+AlwaysPreTouch -XX:+UseFastUnorderedTimeStamps -Xlog:async Requires JAVA 21, this are in theory one of the best flags you can get - -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+AlwaysPreTouch -XX:+UseNUMA An alternative to the first flag set, some say it performs better, some say it performs worse. Good thing to check if the first set did not provide sufficient result. On JAVA 23 -XX:-UseBiasedLocking can be added to further reduce latency! - -XX:+UnlockExperimentalVMOptions -XX:+UseZGC -XX:+AlwaysPreTouch -XX:+UseFastUnorderedTimeStamps Cut down version of the first flag set, less idiot proof, but should work on older JAVA and in theory still be better then the flags from below - -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+AlwaysPreTouch -XX:G1NewSizePercent=40 -XX:G1MaxNewSizePercent=50 -XX:G1HeapRegionSize=16M -XX:G1ReservePercent=15 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=20 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true Old flags from many years ago, still relevant and better then default, slightly modified to fix a memory "leak". Works even with very old JAVA versions and should work on every system They should be put just after RAM allocation flags if those are present (e.g. Modrinth has a slider so you don't need to also put in the allocation flags) And should replace every other flag that is present (Only on most launcher! E.g. CurseForge has some of its own flags, IDK which should be replaced and which should be kept) Other thing that is worth considering is adding manually flags: -Xms and -Xmx (example: -Xms12G -Xmx12G) setting this 2 manually to the same value will in theory give slightly better performance, but will result in constant (in the example 12 GB) memory reservation (usage in task manager). If your PC does not have enough RAM to sustain constant X GB usage from MC, you can set -Xmx higher then -Xms, and by default that is what happens. Boosting -Xms as close to -Xmx as possible might help a bit, but if they values are not equal the performance change will be negligible Personally I feel less stutter from ZGC, then with Shenandoah though I hear stories of polar opposite. IDK how to generate frame-time graph, it would be nice if someone would compare those 4 sets of flags
Krill
KrillOP4w ago
here is how it works for me, i load the game, it works fine for like 3 minutes, then just lags the life out of itself. no waves or dips into better or worse, just functioning nearly perfectly, to not at all. and the only culrpit in my mind is worldgen, cause thats the only thing that changes from launch to 3 minutes in the ram goes up and down 20-30% at a time, and does peak out, but there dont seem to be sudden drops to like 0 or anything
Miki_P98
Miki_P984w ago
/logs
YAGPDB.xyz
YAGPDB.xyz4w ago
You should send your latest.log file to provide additional useful information. Logs are usually located in the .minecraft/logs directory. On Windows: %appdata%\.minecraft\logs On Linux: ~/.minecraft/logs On Mac: ~/Library/Application Support/minecraft/logs Please upload the file to mclo.gs instead of sending the raw file. This makes reading the contents of the file a lot easier and improves the chances of you getting the help needed. After uploading the file, click on Save and send the link.
Krill
KrillOP4w ago
how do u think i should approach
Miki_P98
Miki_P984w ago
Do /binary search to find most performance intensive mods in the pack and remove them
YAGPDB.xyz
YAGPDB.xyz4w ago
Try a binary search and figure out which mod is causing it. So disable half of the mods, see if issue is still there, if yes disable half again etc etc until you find the mod that's causing the issue.
Tenor
Krill
KrillOP4w ago
how do i do that? so i ran the modpack last night without shaders, and it ran better but still not good at all
Miki_P98
Miki_P984w ago
You: - open the mods folder, - select half of the files, - move them to a new folder, - try to run the game, it will crash and show you which library mods are missing - bring the required library mods back - start the game and check the performance If it will be significantly better, you know it is one of the mods you removed Repet until you find the most performance intensive mods, removed them and you're happy with performance Or buy a better PC
Krill
KrillOP4w ago
can i do this through modrinth? it seems there is a way to toggle mods if i unlock the instance does that mean i need to have an instance running
Miki_P98
Miki_P984w ago
Yes, you can just disable half or 1 or whatever amont on Modrinth
Krill
KrillOP4w ago
but i have to have an instance running right nvm its still not letting me toggle found the setting, my b lol
Miki_P98
Miki_P984w ago
you have to stop the instance in order for Modrinth to properly disable the mods
Krill
KrillOP4w ago
yep i disabled DH and it still seems to be a little choppy. any idea about addons that are usual suspects before i do a binary search? im getting real low fps/dips and 100% peaking gpu usage, with DH disabled turned off shaders and it got a tiny bit better. idk what the issue is, i have a pretty decent computer and graphics card
Miki_P98
Miki_P984w ago
Sound Physics, Create
Krill
KrillOP4w ago
so i really do think the issue is worldgen. i have every mod enabled except DH, and i have my distance set up to max. the game is fine at like 30fps for a few minutes until the chunks load. my question is, how powerful of a machine do you need to run these mods/distances? seems nuts ive got an 8core ryzen 7 5800X. that sounds like more than enough for this. unless im wrong, but i might just have some settings needing to be tweaked to use the card to its full potential yeah, literally if i turn render distance down, everything is fine in vanilla, completely unmodded, my render distance on max is fine too. so im like 95% sure its some setting with DH
Miki_P98
Miki_P984w ago
Then your PC is cursed as you're the only one Contact an exorcist
Krill
KrillOP4w ago
dang like actually though what could it be lmao do i just not have a powerful enough card? cause it seems like only render distance/DH is causing the issue
Miki_P98
Miki_P984w ago
Who would have though that rendering additional 128 render disatance would decrease fps Decrease vanilla RD if you can Set it to e.g. 12 or 8
Krill
KrillOP4w ago
im aware that a large RD creates issues, im asking if there is a way around it because i feel like my pc should easily be able to handle that given other games i run on max settings or if it is something in distant horizons itself that is messing up
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