2008-05-15 22:30:05
Back in January of 2007 we had looked at Linux Virtualization Performance as we had compared a running native OS (at that time, Fedora Core 6) against the same operating system running as a virtualized guest OS using Xen, QEMU with the (once closed-source) kqemu kernel module, and then KVM. In this testing we had found that KVM had performed well and won a number of the tests, but it wasn't the clear winner nor it had won by a substantial margin. However, the Kernel-based Virtual Machine had premiered with the Linux 2.6.20 kernel and it has matured quite a bit over the past year and a half since its christening. With that said, we are in the process of conducting new Linux virtualization benchmarks to see how these various implementations compare today. While the full comparison isn't yet ready, due to much interest surrounding Linux virtualization on desktops and servers, this morning we are publishing some initial benchmarks from the Phoronix Test Suite when running Ubuntu 8.04 LTS as the host OS and then running it as the guest operating system with hardware-based acceleration through KVM. 

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