infra-227 KVM testing on CentOS Linux 7 via the Phoronix Test Suite. aws-16cpu-30gb: Processor: Intel Xeon E5-2666 v3 @ 2.90GHz (8 Cores / 16 Threads), Motherboard: Xen HVM domU (4.2.amazon BIOS), Memory: 16384 MB + 14336 MB RAM, Disk: 50GB, Graphics: cirrusdrmfb OS: CentOS Linux 7, Kernel: 3.10.0-327.10.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.2.amazon ecvm-16cpu-8gb: Processor: 16 x Intel Core (Haswell) @ 2.40GHz (16 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Memory: 1 x 8192 MB RAM, Disk: 46GB, Graphics: qxldrmfb, Audio: QEMU Generic OS: CentOS Linux 7, Kernel: 3.10.0-693.17.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM ec-vm-16cpu-8gb: Processor: 16 x Intel Core (Haswell) @ 2.40GHz (16 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Memory: 1 x 8192 MB RAM, Disk: 46GB, Graphics: qxldrmfb, Audio: QEMU Generic OS: CentOS Linux 7, Kernel: 3.10.0-693.17.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM ecvm-16cpu-8g: Processor: 16 x Intel Core (Haswell) @ 2.40GHz (16 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Memory: 1 x 8192 MB RAM, Disk: 46GB, Graphics: qxldrmfb, Audio: QEMU Generic OS: CentOS Linux 7, Kernel: 3.10.0-693.17.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM NGINX Benchmark 1.9.9 Static Web Page Serving Requests Per Second > Higher Is Better aws-16cpu-30gb . 35045.13 |==================================================== ecvm-16cpu-8g .. 26790.45 |======================================== Apache Benchmark 2.4.29 Static Web Page Serving Requests Per Second > Higher Is Better aws-16cpu-30gb . 20020.02 |==================================================== ecvm-16cpu-8g .. 11789.08 |=============================== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better aws-16cpu-30gb . 191138 |====================================================== ecvm-16cpu-8g .. 163668 |==============================================