VirtualBox Is Still Running Slower Than QEMU-KVM
Written by Michael Larabel in Operating Systems on 9 January 2014. Page 5 of 5. 22 Comments

The VP8 libvpx video encoding performance with VirtualBox was outright awful compared to the bare metal and QEMU-KVM results.

Building the Linux kernel was several times slower with VirtualBox over the bare metal and QEMU-KVM results even though VirtualBox was configured the same as the KVM virtual machine.

More Ubuntu 14.04 virtualization benchmarks will be carried out when the final release is near of this Linux Long-Term Support release, at which time other hypervisors like Xen will also be tested and hopefully VirtualBox will be in better shape to have a competitive showing.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.


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