Phoronix: VirtualBox 4.0 OpenGL Gaming Performance

Put out earlier this morning on Phoronix were Linux virtualization benchmarks comparing the native performance of a high-end Intel Core i7 system to that of the de facto standard Linux KVM virtualization method as well as Oracle VM VirtualBox 3.2.12 and Oracle VM VirtualBox 4.0 Beta 2. These tests focused largely upon the disk and CPU performance within Ubuntu Linux virtual machines, since that's often where enterprise users are most concerned with virtualization performance. For desktop users, there's also the matter of 2D/3D acceleration support within virtual machines...

http://www.phoronix.com/vr.php?view=ODkwNA