prova KVM testing on Amazon Linux 2 via the Phoronix Test Suite. brocpucentos: Processor: 2 x Intel Xeon E5-2630 v4 @ 2.20GHz (20 Cores / 40 Threads), Motherboard: Intel S2600WT2R (SE5C610.86B.01.01.0024.021320181901 BIOS), Memory: 8 x 16384 MB DDR4-2134MHz Micron 18ASF2G72PDZ-2G3B1, Disk: 1000GB Seagate ST1000NM0055-1V4, Graphics: mgadrmfb OS: CentOS Linux 7, Kernel: 3.10.0-862.14.4.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768 skycentos: Processor: 2 x Intel Xeon Silver 4114 @ 2.20GHz (20 Cores / 40 Threads), Motherboard: Supermicro X11DPL-i v1.02 (2.1 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 8 x 16384 MB DDR4-2400MHz Samsung M393A2K43CB2-CTD, Disk: 1000GB HGST HUS722T1TAL, Graphics: ASPEED ASPEED Family, Network: Intel I350 Gigabit Connection OS: CentOS Linux 7, Kernel: 3.10.0-862.14.4.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.25.4, Display Server: X Server 1.19.5, Display Driver: modesetting 1.19.5, Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768 skyubuntu: Processor: 2 x Intel Xeon Silver 4114 @ 2.20GHz (20 Cores / 40 Threads), Motherboard: Supermicro X11DPL-i v1.10 (2.1 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 8 x 16384 MB DDR4-2400MT/s Samsung M393A2K43CB2-CTD, Disk: 1000GB HGST HUS722T1TAL, Graphics: ASPEED ASPEED Family, Monitor: DELL E197FP, Network: Intel I350 Gigabit Connection OS: Ubuntu 18.04, Kernel: 4.15.0-39-generic (x86_64), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1280x1024 awsmachine: Processor: Intel Xeon Platinum 8124M (2 Cores / 4 Threads), Motherboard: Amazon EC2 c5.xlarge (1.0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 8192MB, Disk: 9GB Amazon Elastic Block Store, Network: Amazon Elastic OS: Amazon Linux 2, Kernel: 4.14.77-81.59.amzn2.x86_64 (x86_64), Compiler: GCC 7.3.1 20180303, File-System: xfs, System Layer: KVM Stream 2013-01-17 Type: Copy MB/s > Higher Is Better brocpucentos . 84577 |================================================= skycentos .... 94611 |======================================================= skyubuntu .... 98034 |========================================================= awsmachine ... 19514 |=========== Stream 2013-01-17 Type: Scale MB/s > Higher Is Better brocpucentos . 69330 |================================================= skycentos .... 77100 |======================================================= skyubuntu .... 80409 |========================================================= awsmachine ... 23342 |================= Stream 2013-01-17 Type: Triad MB/s > Higher Is Better brocpucentos . 77271 |================================================= skycentos .... 86624 |======================================================= skyubuntu .... 89721 |========================================================= awsmachine ... 24360 |=============== Stream 2013-01-17 Type: Add MB/s > Higher Is Better brocpucentos . 76858 |================================================= skycentos .... 86661 |======================================================= skyubuntu .... 89217 |========================================================= awsmachine ... 24318 |================ Timed MAFFT Alignment 7.392 Multiple Sequence Alignment Seconds < Lower Is Better brocpucentos . 4.05 |============================== skycentos .... 3.42 |========================= skyubuntu .... 3.77 |============================ awsmachine ... 7.87 |========================================================== Gcrypt Library 1.4.4 CAMELLIA256-ECB Cipher Microseconds < Lower Is Better brocpucentos . 3243 |========================================================== skycentos .... 2590 |============================================== Crafty 25.2 Elapsed Time Nodes Per Second > Higher Is Better brocpucentos . 4374656 |==================================== skycentos .... 6052605 |================================================= skyubuntu .... 5966069 |================================================= awsmachine ... 6728370 |======================================================= TSCP 1.81 AI Chess Performance Nodes Per Second > Higher Is Better brocpucentos . 733197 |==================================== skycentos .... 1043539 |=================================================== skyubuntu .... 969686 |================================================ awsmachine ... 1117196 |======================================================= TTSIOD 3D Renderer 2.3b Phong Rendering With Soft-Shadow Mapping FPS > Higher Is Better brocpucentos . 414.00 |=================================================== skycentos .... 451.00 |======================================================== skyubuntu .... 449.00 |======================================================== awsmachine ... 86.00 |=========== GraphicsMagick 1.3.30 HWB Color Space Iterations Per Minute > Higher Is Better brocpucentos . 142 |============================================ skycentos .... 190 |=========================================================== skyubuntu .... 185 |========================================================= awsmachine ... 185 |========================================================= GraphicsMagick 1.3.30 Local Adaptive Thresholding Iterations Per Minute > Higher Is Better brocpucentos . 56 |======================================== skycentos .... 77 |====================================================== skyubuntu .... 76 |====================================================== awsmachine ... 85 |============================================================ GraphicsMagick 1.3.30 Sharpen Iterations Per Minute > Higher Is Better brocpucentos . 109 |========================================= skycentos .... 137 |==================================================== skyubuntu .... 156 |=========================================================== awsmachine ... 83 |=============================== GraphicsMagick 1.3.30 Resizing Iterations Per Minute > Higher Is Better brocpucentos . 134 |============================================ skycentos .... 178 |=========================================================== skyubuntu .... 172 |========================================================= awsmachine ... 149 |================================================= Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better brocpucentos . 1292 |================================= skycentos .... 2039 |==================================================== skyubuntu .... 2096 |===================================================== awsmachine ... 2276 |========================================================== 7-Zip Compression 16.02 Compress Speed Test MIPS > Higher Is Better brocpucentos . 64722 |================================================ skycentos .... 77153 |========================================================= skyubuntu .... 69740 |==================================================== awsmachine ... 11708 |========= C-Ray 1.1 Total Time - 4K, 16 Rays Per Pixel Seconds < Lower Is Better brocpucentos . 67.99 |========= skycentos .... 52.79 |======= skyubuntu .... 58.75 |======== awsmachine ... 437.38 |======================================================== Parallel BZIP2 Compression 1.1.12 256MB File Compression Seconds < Lower Is Better brocpucentos . 3.59 |=========== skycentos .... 3.14 |========== skyubuntu .... 3.07 |========== awsmachine ... 18.29 |========================================================= POV-Ray 3.7.0.7 Trace Time Seconds < Lower Is Better brocpucentos . 42.75 |========= skycentos .... 34.42 |======= skyubuntu .... 58.07 |============ awsmachine ... 267.12 |======================================================== Smallpt 1.0 Global Illumination Renderer; 128 Samples Seconds < Lower Is Better brocpucentos . 35.62 |========== skycentos .... 201.23 |======================================================== skyubuntu .... 27.82 |======== awsmachine ... 189.68 |===================================================== FLAC Audio Encoding 1.3.2 WAV To FLAC Seconds < Lower Is Better brocpucentos . 22.62 |========================================================= skycentos .... 15.03 |====================================== skyubuntu .... 12.65 |================================ awsmachine ... 11.58 |============================= LAME MP3 Encoding 3.100 WAV To MP3 Seconds < Lower Is Better brocpucentos . 56.49 |========================================================= skycentos .... 40.65 |========================================= skyubuntu .... 39.59 |======================================== awsmachine ... 34.91 |=================================== FFmpeg 4.0.2 H.264 HD To NTSC DV Seconds < Lower Is Better brocpucentos . 14.91 |========================================================= skycentos .... 12.48 |================================================ skyubuntu .... 14.67 |======================================================== awsmachine ... 10.96 |========================================== OpenSSL 1.1.1 RSA 4096-bit Performance Signs Per Second > Higher Is Better brocpucentos . 3201 |================================================= skycentos .... 3798 |========================================================== skyubuntu .... 3818 |========================================================== awsmachine ... 517 |======== Apache Benchmark 2.4.29 Static Web Page Serving Requests Per Second > Higher Is Better brocpucentos . 10365 |================================ skycentos .... 10002 |=============================== skyubuntu .... 18401 |=========================================================