Linked by Thom Holwerda on Wed 21st Mar 2007 16:40 UTC, submitted by anonymous
Virtualization of operating systems used to be slow and hard to use. Advances such as the KQemu accelerator, VirtualBox, VMWare, Xen and of course the recent integration of KVM virtualization into the Linux kernel have helped out a lot though, especially on the server side, but for a normal user, virtualization could be somewhat clunky. Mac users have been able to run their Windows applications like this using Parallels Coherence, yet now other *nix users can too. Ordinary desktop or business users who require applications from another operating system can benefit from a seamless desktop.
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Member since:
2006-08-29
> i think vmware is slightly faster than qemu+kqemu but
> not much.
VMWare is faster but most of the *perceived* performance benefit's over Qemu with the kernel accelerator module (and -kernel-kqemu) are due (in the case of Windows gusts atleast) to the guest side VGA and mouse drivers (bundled with VMWare Tools) which make the guest UI far more responsive and smooth. Qemu on the other hand opts to emulate real world hardware and your guest will use real world drivers.