xen bare-metal Running pts/ramspeed-1.4.0, pts/network-loopback-1.0.1 via the Phoronix Test Suite. xen baremetal: Processor: Intel Core i5-3210M @ 2.49GHz (4 Cores), Motherboard: HP 18A5 v73.50, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 1000GB Hitachi HTS54101, Graphics: Intel HD 4000 2048MB (1100MHz), Audio: IDT 92HD91BXX, Network: Realtek RTL8111/8168/8411 + Intel Centrino Wireless-N 2230 OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.17.2, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.0.2, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 1366x768, System Layer: Xen 4.5.1 Hypervisor xen hvm: Processor: Intel Core i5-3210M @ 2.49GHz (1 Core), Memory: 1024MB, Disk: 15GB OS: Ubuntu 15.10, Kernel: 4.2.0-18-generic (x86_64), Compiler: GCC 5.2.1 20151010, File-System: ext4, System Layer: Xen 4.5.1 Hypervisor RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better xen baremetal . 7203.15 |====================================================== xen hvm ....... 6793.00 |=================================================== Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better xen baremetal . 32.89 |============================= xen hvm ....... 63.19 |========================================================