== Benchmark description == === Testbed Configuration ===

* Server: 4xHexCore Intel Xeon HP Z800 workstation (2xQuad Core 2.66 ,67 GHz)CPUs, 32 24 GB RAM* Client: 4xHexCore Intel Xeon (2.136 GHz), 32 GB RAM* Network: 1Gbit direct server<>client connection

* Virtualization Software: Xen CentOS 5.5 x86_64, OpenVZ (RHEL5) 2.6.18-028stab090.4, OpenVZ (RHEL6) 2.6.32-042test006042test0012.12.x86_64* Guest OS: CentOS 5.5 x86_64, RHEL6  == Results == === Context Switch === [[File:Benchmark context switch.png]] [[File:Benchmark context switch 8proc.png]] === Process execve() === [[File:Benchmark execv.png]] === Process fork() === [[File:Benchmark fork.png]]

{| class="wikitable"|+ Benchmarks|-|| '''Operation'''|| #1 Native CentOS 5[[File:Benchmark unixbench.5 x64 kernel 2.6.18|| #2 Xen CentOS 5.5 x64 kernel 2.6.18|| #3 OpenVZ CentOS 5.5 x64 kernel 2.6.18|| #4 Native RHEL 6.0 x64 kernel 2.6.32|| #5 VzLin RHEL 6.0 x64 kernel 2.6.32|-|| Context switch using pipe || 251K || 126K || . || 194K || 166K|-|| Context switch using pipe (8 threads) || 6028K || 605K || 4807K || 3993K || 3686K|-|| Process execve() || 3162 || 1074 || 4217 || 8052 || 7288|-|| Process fork() || 4630 || 1958 || 5728 || 14773 || 14182|-|| System call || 4381K || 993K || 3583K || 4854K || 3408K|}png]]