test1 QEMU 0.12.5 testing on CentOS 6.3 via the Phoronix Test Suite. test1: Processor: QEMU Virtual 0.12.5 @ 3.09GHz (4 Cores), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 20GB, Network: Red Hat Virtio device OS: CentOS 6.3, Kernel: 2.6.32-279.14.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, System Layer: QEMU 0.12.5 test2: Processor: QEMU Virtual 0.12.5 @ 3.09GHz (4 Cores), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 20GB, Network: Red Hat Virtio device OS: CentOS 6.3, Kernel: 2.6.32-279.14.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, System Layer: QEMU 0.12.5 test3: Processor: QEMU Virtual 0.12.5 @ 3.09GHz (1 Core), Motherboard: Bochs, Chipset: Red Hat Virtio, Memory: 1 x 256 MB RAM, Disk: 10GB, Network: Red Hat Virtio device OS: Debian 6.0.6, Kernel: 2.6.32-5-amd64 (x86_64), File-System: ext3, System Layer: QEMU 0.12.5 123: Processor: 4 x AMD Opteron 6272 @ 2.10GHz (64 Cores), Motherboard: TYAN FT48-B8812, Chipset: AMD ATI RD890 + SB7x0/SB8x0/SB9x0, Memory: 8 x 8192 MB DDR3-1333MHz Hyundai, Disk: 1000GB Seagate ST1000NM0011 + 8 x 1000GB Seagate ST1000NM0001, Graphics: ASPEED ASPEED Family, Monitor: F153, Network: Intel 82574L Gigabit Connection OS: Scientific 6.3, Kernel: 2.6.32-279.19.1.el6.x86_64 (x86_64), Display Server: X Server 1.10.6, Display Driver: vesa 2.3.0, OpenGL: 2.1 Mesa 7.11, Compiler: GCC 4.4.6 20120305, File-System: ext4, Screen Resolution: 1600x1200 CacheBench Test: Read MB/s > Higher Is Better test1 . 2658.47 |============================================================== test2 . 2674.12 |============================================================== test3 . 2630.98 |============================================================= 123 ... 860.30 |==================== CacheBench Test: Write MB/s > Higher Is Better test1 . 7972.25 |============================================================== test2 . 7974.20 |============================================================== test3 . 7994.85 |============================================================== 123 ... 4294.86 |================================= CacheBench Test: Read / Modify / Write MB/s > Higher Is Better test1 . 15881.41 |========================================= test2 . 15893.43 |========================================= test3 . 23460.74 |============================================================= 123 ... 7924.71 |=====================