[MC-9310] Extreme performance loss with Smooth Lighting in snapshot. Created: 07/Feb/13  Updated: 10/Feb/13  Resolved: 07/Feb/13

Status: Resolved
Project: Minecraft: Java Edition
Component/s: None
Affects Version/s: Snapshot 13w05a, Snapshot 13w05b
Fix Version/s: None

Type: Bug
Reporter: Matthew Faust Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: rendering
Environment:

Windows 7 64bit, Java 7 Update 9, GTX 660, i7 870, 128GB SSD, 8GB RAM, Nvidia driver 310.96, fresh spawn.


Attachments: PNG File 2013-02-07_20.12.37.png     PNG File 2013-02-07_20.12.45.png    
Issue Links:
Duplicate
duplicates MC-8824 FPS Drop due to Smooth Lighting Resolved
Confirmation Status: Unconfirmed

 Description   

Running the new 13w05b snapshot, spawning a new world I am suffering from extreme performance loss, running at 30-80 fps with extreme stuttering (very unsmooth). I read about the lighting updates, turned off Smooth Lighting and my fps increased to an extremely smooth 140-200fps. This is confined to the Smooth Lighting setting. I tried Fullscreen to make sure Vsync or anything of the sort was the issue, but the FPS drop was still there

This is a bug, as in previous versions I would loose 5-10 FPS, if that. In fact, running Minecraft 1.4.7 with GLSL Shaders I can run at a locked 55 fps on Normal render distance, and turning off Smooth Lighting on an obviously GPU bound setup gained around 5 fps. This 1.4.7 setup included Optifine for performance and more.

The new lighting is causing a massive, unusual loss in FPS on a relatively high end rig. It also slows down chunk loading slightly, visible but not visible over the already slow loading on an SSD.

Edit: Just noticed this is a duplicate of MC-8824, sorry.



 Comments   
Comment by Mustek [ 07/Feb/13 ]

Duplicate of: MC-8824 - Please use the search function to see if your bug has already been submitted.
Currently over 50% of tickets are being closed as duplicate.

Comment by Matthew Faust [ 07/Feb/13 ]

Comparison of the FPS, 80 fps when enabled without a fully loaded world.

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