Ubuntu 17.10 KVM vs. VirtualBox On EPYC
KVM testing on Ubuntu 17.10 via the Phoronix Test Suite.


VirtualBox 16 vCPUs: 

	Processor: AMD EPYC 7601 32-Core @ 2.20GHz (16 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 97280MB, Disk: 123GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit

	OS: Ubuntu 17.10, Kernel: 4.13.0-16-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 3.3 Mesa 17.2.2 (LLVM 5.0 128 bits), Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1848x983, System Layer: Oracle VirtualBox

KVM 16 vCPUs: 

	Processor: 16 x AMD Opteron 23xx (Gen 3 Class Opteron) @ 2.20GHz (16 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 10240MB, Disk: 113GB, Graphics: llvmpipe 9600MB, Audio: QEMU Generic, Network: Red Hat Virtio device

	OS: Ubuntu 17.10, Kernel: 4.13.0-16-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 3.3 Mesa 17.2.2 (LLVM 5.0 128 bits), Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM


NAS Parallel Benchmarks 3.3
Test / Class: EP.C
Total Mop/s > Higher Is Better
VirtualBox 16 vCPUs . 385.25 |================================================
KVM 16 vCPUs ........ 393.18 |=================================================


Parboil 2.5
Test: OpenMP LBM
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 105.98 |=================================================
KVM 16 vCPUs ........ 57.33  |===========================


Parboil 2.5
Test: OpenMP CUTCP
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 7.57 |===================================================
KVM 16 vCPUs ........ 6.02 |=========================================


Parboil 2.5
Test: OpenMP Stencil
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 24.20 |==================================================
KVM 16 vCPUs ........ 16.40 |==================================


Rodinia 2.4
Test: OpenMP LavaMD
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 100.71 |=================================================
KVM 16 vCPUs ........ 79.46  |=======================================


Go Benchmarks
Test: json
Nanoseconds/Operation < Lower Is Better
VirtualBox 16 vCPUs . 11634030 |===============================================
KVM 16 vCPUs ........ 9192146  |=====================================


Go Benchmarks
Test: build
Nanoseconds/Operation < Lower Is Better
VirtualBox 16 vCPUs . 25900456631 |============================================
KVM 16 vCPUs ........ 20588571084 |===================================


Go Benchmarks
Test: garbage
Nanoseconds/Operation < Lower Is Better
VirtualBox 16 vCPUs . 2806610 |================================================
KVM 16 vCPUs ........ 2183967 |=====================================


John The Ripper 1.8.0
Test: Blowfish
Real C/S > Higher Is Better
VirtualBox 16 vCPUs . 5927  |=======================
KVM 16 vCPUs ........ 12921 |==================================================


TTSIOD 3D Renderer 2.3a
Phong Rendering With Soft-Shadow Mapping
FPS > Higher Is Better
VirtualBox 16 vCPUs . 207.58 |=======================================
KVM 16 vCPUs ........ 262.06 |=================================================


x264 2017-09-08
H.264 Video Encoding
Frames Per Second > Higher Is Better
VirtualBox 16 vCPUs . 169.45 |=======================================
KVM 16 vCPUs ........ 213.94 |=================================================


7-Zip Compression 9.20.1
Compress Speed Test
MIPS > Higher Is Better
VirtualBox 16 vCPUs . 27444 |================================
KVM 16 vCPUs ........ 42643 |==================================================


ebizzy 0.3

Records/s > Higher Is Better
VirtualBox 16 vCPUs . 531709 |==============================
KVM 16 vCPUs ........ 859915 |=================================================


Timed Linux Kernel Compilation 4.13
Time To Compile
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 141.88 |=================================================
KVM 16 vCPUs ........ 76.34  |==========================


Primesieve 6.2
1e12 Prime Number Generation
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 35.74 |==================================================
KVM 16 vCPUs ........ 23.45 |=================================


LAME MP3 Encoding 3.99.5
WAV To MP3
Seconds < Lower Is Better
VirtualBox 16 vCPUs . 12.63 |==================================================
KVM 16 vCPUs ........ 11.98 |===============================================


OpenSSL 1.0.1g
RSA 4096-bit Performance
Signs Per Second > Higher Is Better
VirtualBox 16 vCPUs . 1081.60 |==================================
KVM 16 vCPUs ........ 1514.20 |================================================


Redis 3.0.1
Test: GET
Requests Per Second > Higher Is Better
VirtualBox 16 vCPUs . 1248795.96 |================================
KVM 16 vCPUs ........ 1749018.10 |=============================================


Redis 3.0.1
Test: SET
Requests Per Second > Higher Is Better
VirtualBox 16 vCPUs . 1016097.56 |=======================================
KVM 16 vCPUs ........ 1176726.25 |=============================================


PyBench 2008-08-14
Total For Average Test Times
Milliseconds < Lower Is Better
VirtualBox 16 vCPUs . 1873 |===================================================
KVM 16 vCPUs ........ 1872 |===================================================


Apache Benchmark 2.4.7
Static Web Page Serving
Requests Per Second > Higher Is Better
VirtualBox 16 vCPUs . 8100.67  |===================
KVM 16 vCPUs ........ 20292.21 |===============================================


PHPBench 0.8.1
PHP Benchmark Suite
Score > Higher Is Better
VirtualBox 16 vCPUs . 312433 |=============================================
KVM 16 vCPUs ........ 339675 |=================================================