mojira.dev
MC-15072

The new launcher has cut my FPS down greatly / Not recognizing GPU

It's pretty easy to explain.

While using the old launcher, 1.5.1 was at a very convenient FPS of about 150. However, using the new launcher cut my FPS down to about 20 in regular worlds, while on flatlands it levelled at 35.

I can see a connection here. The new launcher closes itself and opens a new window, while the old launcher didn't. It seems that by opening a new window, the gameplay is slowed down a lot. This has occurred with the Feed the Beast modpack as well as MagicLauncher, which both have launchers that close after launch and open a new window to play Minecraft in.

This is really inconvenient and I don't want to play Minecraft where by pressing F5 twice, my FPS will drop to 5.

EDIT: Somehow it got fixed. Or maybe Mojang did something that fixed it, now getting a 200 FPS on flatlands. Thanks version 0.2!

Linked issues

MC-1021 Sprinting is sometimes glitchy Resolved MC-1055 Graphics get messed up Resolved MC-1178 Invalid biome ID in Superflat crash Minecraft Resolved MC-1405 Rain animation of water drops falling from leaf blocks continue to completion even if the block is destroyed Resolved MC-13878 Low Fps Resolved

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Comments 85

I've got the same problem. I generated a new world in 1.5.1, fps is around 90. Opening the same world in 13w16a starts with a fps of about 30 but quickly drops to almost 10.
When I compare the pie chart you see with shift+F3, root.gameRenderer.level.terrain takes up the majority of the time (from 30% to about 72%). Changing graphics settings didn't seem to change much, even on fast graphics it eventually drops to 10 fps.

I've got a GTX 660M, Win 8, 1 GB memory assigned.

Added two comparison screenshots

Dammit, my laptop was using integrated graphics instead of my Nvidia card πŸ˜›. My problem is fixed!

Cannot fully replicate. I cleaned my entire .minecraft folder and used the same settings on both the new and old launcher, there was only about 6 fps loss (from 36 fps to 30 fps).
Can you check whether your problem is the same as Devroush's and whether the new launcher is using integrated graphics or your nVidia card? My 30-36 fps comes from integrated graphics.

Reddit Minecraft

I checked my nVidia card settings and I am not playing on Integrated settings. Whilst playing in a jungle on all three settings, I get about the same FPS each time. However, the root.gameRenderer.level.terrain started at about 62% and rose up slowly to 65%. Settings were on fast, no smooth lighting, with vSync and Advanced OpenGL on.

75 more comments
Voicescu Robert

you can close the launcher,the game willl be still running

@Voicescu Robert: The game already does that automatically.

Norman Schneider

This issue is back again. I used to have 300 - 400 fps. With the latest launcher update I get 30 fps and my gpu doesn't get recognized even tho it used to. I have no idea how to reopen this but this issue is defenetly back with the latest launcher update.

Regards
CitrioN

I still have this issue or possibly a slightly different but same result issue. on my nVidia Geforce 320m integrated with 256 MB shared memory. In 1.5.2, I had over 100 FPS with far render distance. Now I can hardly achieve 50 FPS at 8 chunks (normal render distance). I had suspected it was a LWJGL incompatibility issue.

I can't get it working on my Notebook with an Nvidia GTX 675M and Windows 8.1.
The Minecraft Profile is created and set to use the GPU, the notification icon shows that a process is using the GPU, but the snooper settings inside Minecraft say that the Intel OpenGL Driver is used.

Maybe this "new" functionallity to say the driver to use the GPU would help:
http://www.caromble.com/2014/02/java-a-exe-launcher-and-nvidia-optimus/
http://docs.nvidia.com/gameworks/content/technologies/desktop/optimus.htm

Just saw that our good friend MD-5 created a pull-request for LWGL which does this:
https://github.com/md-5/lwjgl/commit/e503ea631c1e14e414352b3a69eac7e50b3d11d3
And this was merged into LWJGL 2.9.2:
2014-12-14 Ioannis Tsakpinis

  • : Merge pull request #104 from md-5/patch-1 Force high performance GPU for Nvidia Optimus systems

So could you please update to latest LWJGL version? THX

Reddit Minecraft

(Unassigned)

Unconfirmed

FPS, performance, speed

Snapshot 13w17a

Minecraft 1.6.2

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