pgbench ubuntu Intel Core i7 9xx testing with a Red Hat KVM and Device 1234:1111 on Ubuntu 12.04 via the Phoronix Test Suite. ubutu virt: Processor: Intel Core i7 9xx @ 2.40GHz (3 Cores), Motherboard: Red Hat KVM, Chipset: Red Hat Virtio, Memory: 7168MB, Disk: 5GB, Graphics: Device 1234:1111, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-23-generic (x86_64), Display Driver: vesa 2.3.0, Compiler: GCC 4.6, File-System: ext2/ext3 PostgreSQL pgbench 8.4.11 TPC-B Transactions Per Second TPS > Higher Is Better ubutu virt . 66.87 |===========================================================