jeff-network-tests VMambari Red Hat Virtio device: Processor: 6 x QEMU Virtual 2.1.2 @ 2.00GHz (6 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 3 x 16384 MB RAM QEMU, Disk: 738GB, Graphics: Cirrus Logic GD 5446, Audio: Intel 82801AA AC 97 Audio, Network: Red Hat Virtio device OS: CentOS 6.7, Kernel: 2.6.32-573.8.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU 2.1.2 VM: Processor: 6 x QEMU Virtual 2.1.2 @ 2.00GHz (6 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 3 x 16384 MB RAM QEMU, Disk: 738GB, Graphics: Cirrus Logic GD 5446, Audio: Intel 82801AA AC 97 Audio, Network: Red Hat Virtio device OS: CentOS 6.7, Kernel: 2.6.32-573.8.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: QEMU 2.1.2 Loopback TCP Network Performance Time To Transfer 10GB Via Loopback Seconds < Lower Is Better Red Hat Virtio device . 38.53 |============================================= VM .................... 41.08 |================================================