d1 Xen 4.2.amazon Hypervisor testing on Ubuntu 14.04 via the Phoronix Test Suite. instance1: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance1b: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance1c: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance1d: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance1e: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (2 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance2: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance2b: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance2c: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance2d: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance2e: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (2 Cores), Memory: 4096MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance3: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (4 Cores), Memory: 15360MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance3b: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (4 Cores), Memory: 15360MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance3c: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (4 Cores), Memory: 15360MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance3d: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (4 Cores), Memory: 15360MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance3e: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (4 Cores), Memory: 15360MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance4: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance4b: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance4c: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance4d: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance4e: Processor: Intel Xeon E5-2680 v2 @ 2.80GHz (4 Cores), Memory: 8192MB, Disk: 8GB, Graphics: NVIDIA GeForce GT 640M OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance5: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (8 Cores), Memory: 30720MB, Disk: 8GB OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance5b: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (8 Cores), Memory: 30720MB, Disk: 8GB OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance5c: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (8 Cores), Memory: 30720MB, Disk: 8GB OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance5d: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (8 Cores), Memory: 30720MB, Disk: 8GB OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor instance5e: Processor: Intel Xeon E5-2670 v2 @ 2.50GHz (8 Cores), Memory: 30720MB, Disk: 8GB OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), OpenGL: 1.4, Compiler: GCC 4.8, File-System: ext4, System Layer: Xen 4.2.amazon Hypervisor IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better instance1 .. 6692.40 |================================================ instance1b . 6652.75 |================================================ instance1c . 6680.29 |================================================ instance1d . 6604.22 |=============================================== instance1e . 6663.94 |================================================ instance2 .. 7803.15 |======================================================== instance2b . 7714.76 |======================================================= instance2c . 6918.68 |================================================== instance2d . 6235.74 |============================================= instance2e . 7830.72 |======================================================== instance3 .. 6492.16 |=============================================== instance3b . 6066.81 |============================================ instance3c . 6782.04 |================================================= instance3d . 5190.98 |===================================== instance3e . 6847.52 |================================================= instance4 .. 7852.69 |======================================================== instance4b . 7931.47 |========================================================= instance4c . 7189.30 |==================================================== instance4d . 7870.03 |========================================================= instance4e . 7732.82 |======================================================== instance5 .. 6872.86 |================================================= instance5b . 6582.98 |=============================================== instance5c . 6916.47 |================================================== instance5d . 6903.54 |================================================== instance5e . 6633.09 |================================================