Short summary: 14.04 is much slower than 12.04 even with more RAM assigned.
I'm using latest VirtualBox 4.3.10 on Mavericks 10.9.2. How can I make it faster?
76 Answers
Enable 3D acceleration from virtual machine setting worked! I haven't tried that because in 12.04 I didn't have that selected so I thought it should work without it.
Also, I found the following helped for me. Enable the use of the Host IO cache for the SATA controller for the virtual disk.
2Watch out for the "Execution Cap" setting under the processor setting for the virtual machine. I stumbled upon a user having it set to 1% when it normally should be at 100%.
You can find it under 'System'->'Processor'->'Execution Cap'. It's a slider.
Sorry for my ugly theme.
3Run Oracle VB Select your VM on the LHS Settings -> Display - > Video tab, "Enable Features:" and check the Enable 3D Acceleration box Click OK
Disabling the background blur of the search panel with the Unity Tweak tool also improves the speed of the Ubuntu UI.
I have Variety installed from the PPA's and discovered it was slowing VirtualBox to a crawl at times. Disabling the autostart from both the Variety preferences and Startup Applications restored the speed.
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