VirtIO Testing Disk DigitalOcean Cloud
Ubuntu Linux VirtIO Testing by Michael Larabel for a future article on Phoronix.com. Some testing of the DigitalOcean cloud with ubuntu 13.10 64-bit with quad-core CPU instance and 8GB RAM and 80GB SSD storage.


VirtIO Enabled: 

	Processor: QEMU Virtual 1.0 @ 2.00GHz (4 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 8192 MB RAM, Disk: 79GB, Graphics: VMware SVGA II, Network: Red Hat Virtio device

	OS: Ubuntu 13.10, Kernel: 3.11.0-12-generic (x86_64), Compiler: GCC 4.8.1, File-System: ext4, System Layer: QEMU 1.0

VirtIO Disabled: 

	Processor: QEMU Virtual 1.0 @ 2.00GHz (4 Cores), Motherboard: Bochs, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 8192 MB RAM, Disk: 86GB QEMU HDD, Graphics: VMware SVGA II, Network: Realtek RTL-8139/8139C/8139C+

	OS: Ubuntu 13.10, Kernel: 3.11.0-12-generic (x86_64), File-System: ext4, System Layer: QEMU 1.0

extreme: 

	Processor: AMD Opteron 6282 SE @ 2.60GHz (8 Cores), Motherboard: Intel 440BX, Memory: 8192MB, Disk: 11GB Virtual disk

	OS: CentOS 6.5, Kernel: 2.6.32-431.11.2.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: VMware


Flexible IO Tester 1.57
Test: Intel IOMeter File Server Access Pattern
Seconds (Run Time) < Lower Is Better
VirtIO Enabled .. 70.94  |=======
VirtIO Disabled . 522.87 |=====================================================
extreme ......... 4.92   |


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
VirtIO Enabled .. 61.42 |====================================================
VirtIO Disabled . 63.70 |======================================================


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
VirtIO Enabled .. 41.60 |===================================
VirtIO Disabled . 63.70 |======================================================


Threaded I/O Tester 0.3.3
Test: Random Write - Size Per Thread: 32MB - Thread Count: 4
MB/s > Higher Is Better
VirtIO Enabled .. 21.87 |===============================
VirtIO Disabled . 3.82  |=====
extreme ......... 38.52 |======================================================


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
VirtIO Enabled .. 169.88 |=====================================================
VirtIO Disabled . 170.91 |=====================================================


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
VirtIO Enabled .. 101.69 |=====================================================
VirtIO Disabled . 98.87  |====================================================


Compile Bench 0.6
Test: Read Compiled Tree
MB/s > Higher Is Better
VirtIO Enabled .. 432.38 |=====================================================
VirtIO Disabled . 385.92 |===============================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
VirtIO Enabled .. 2119 |===================================================
VirtIO Disabled . 2266 |=======================================================


Timed Apache Compilation 2.4.7
Time To Compile
Seconds < Lower Is Better
VirtIO Enabled .. 69.79 |======================================================
VirtIO Disabled . 62.32 |================================================


Timed Linux Kernel Compilation 3.1
Time To Compile
Seconds < Lower Is Better
VirtIO Enabled .. 216.32 |=====================================================
VirtIO Disabled . 201.70 |=================================================