Author(s):
Domingues, Patrício Rodrigues
; Araújo, Filipe
; Silva, Luís
Date: 2009
Persistent ID: http://hdl.handle.net/10400.8/119
Origin: IC-online
Subject(s): Volunteer computing; Desktop grids
Description
Comunicação apresentada no 3rd Workshop on Desktop Grids and Volunteer Computing Systems, Rome, 2009. We experimentally evaluate the performance overhead
of the virtual environments VMware Player, QEMU, VirtualPC
and VirtualBox on a dual-core machine. Firstly, we
assess the performance of a Linux guest OS running on a
virtual machine by separately benchmarking the CPU, file
I/O and the network bandwidth. These values are compared
to the performance achieved when applications are run on a
Linux OS directly over the physical machine. Secondly, we
measure the impact that a virtual machine running a volunteer
@home project worker causes on a host OS. Results
show that performance attainable on virtual machines depends
simultaneously on the virtual machine software and
on the application type, with CPU-bound applications much
less impacted than IO-bound ones. Additionally, the performance
impact on the host OS caused by a virtual machine using all the virtual CPU, ranges from 10% to 35%, depending on the virtual environment.