Affects Version/s: Minecraft 14w34c
Fix Version/s: None
Environment:Java - 8 Update 11 (Also happens on Java 7)
OS - Windows 7
Video card - NVIDIA GeForce 9500 GT
Lastest snapshots are using all my CPU and everything is slow.
For example, water will update slowly, taking like 20s to spread completely.
Slimes will take like 10s to jump and hit the ground again.
In the attachments you can see in the 1st image you can see the normal/1.7.4 CPU usage, and in the second image you can see the snapshot CPU usage.