basic-vm-raw KVM testing on Fedora 21 via the Phoronix Test Suite. Westmere E56xx: Processor: 4 x Westmere E56xx/L56xx/X56xx (Nehalem-C) @ 2.40GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 12288MB, Disk: 115GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Fedora 21, Kernel: 4.1.8-100.fc21.x86_64 (x86_64), Compiler: GCC 4.9.2 20150212, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM AIO-Stress 0.21 Random Write MB/s > Higher Is Better Westmere E56xx . 554.18 |====================================================== SQLite 3.8.10.2 Timed SQLite Insertions Seconds < Lower Is Better Westmere E56xx . 46.68 |======================================================= Dbench 4.0 12 Clients MB/s > Higher Is Better Westmere E56xx . 471.37 |====================================================== Dbench 4.0 48 Clients MB/s > Higher Is Better Westmere E56xx . 624.59 |====================================================== Dbench 4.0 128 Clients MB/s > Higher Is Better Westmere E56xx . 450.73 |====================================================== Dbench 4.0 1 Clients MB/s > Higher Is Better Westmere E56xx . 92.65 |======================================================= IOzone 3.405 8GB Read Performance MB/s > Higher Is Better Westmere E56xx . 2815.23 |===================================================== IOzone 3.405 8GB Write Performance MB/s > Higher Is Better Westmere E56xx . 178.70 |====================================================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Westmere E56xx . 256.93 |====================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Westmere E56xx . 63.62 |======================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better Westmere E56xx . 148.22 |====================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Westmere E56xx . 993 |========================================================= Gzip Compression 2GB File Compression Seconds < Lower Is Better Westmere E56xx . 33.88 |=======================================================