Cascade Lake Video Encoding 2 x Intel Xeon Platinum 8280 testing with a GIGABYTE MD61-SC2-00 v01000100 (T15 BIOS) and ASPEED Family on Ubuntu 18.04 via the Phoronix Test Suite. 2 x Xeon 8280 - Clear Linux: Processor: 2 x Intel Xeon Platinum 8280 @ 4.00GHz (56 Cores / 112 Threads), Motherboard: GIGABYTE MD61-SC2-00 v01000100 (T15 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 386048MB, Disk: Samsung SSD 970 PRO 512GB, Graphics: ASPEED Family, Monitor: VE228, Network: 2 x Intel X722 for 1GbE + 2 x QLogic FastLinQ QL41000 10/25/40/50GbE OS: Clear Linux OS 28680, Kernel: 5.0.6-726.native (x86_64), Desktop: GNOME Shell 3.32.0, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, Compiler: GCC 8.3.1 20190405 + Clang 7.0.1 + LLVM 7.0.1, File-System: ext4, Screen Resolution: 1920x1080 2 x Xeon 8280 - Ubuntu LTS: Processor: 2 x Intel Xeon Platinum 8280 @ 4.00GHz (56 Cores / 112 Threads), Motherboard: GIGABYTE MD61-SC2-00 v01000100 (T15 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 386048MB, Disk: Samsung SSD 970 PRO 512GB, Graphics: ASPEED Family, Monitor: VE228, Network: 2 x Intel X722 for 1GbE + 2 x QLogic FastLinQ QL41000 10/25/40/50GbE OS: Ubuntu 18.04, Kernel: 4.18.0-17-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.1, Display Driver: modesetting 1.20.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 2 x Xeon 8280 - Ubuntu LTS + Flags: Processor: 2 x Intel Xeon Platinum 8280 @ 4.00GHz (56 Cores / 112 Threads), Motherboard: GIGABYTE MD61-SC2-00 v01000100 (T15 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 386048MB, Disk: Samsung SSD 970 PRO 512GB, Graphics: ASPEED Family, Monitor: VE228, Network: 2 x Intel X722 for 1GbE + 2 x QLogic FastLinQ QL41000 10/25/40/50GbE OS: Ubuntu 18.04, Kernel: 4.18.0-17-generic (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.1, Display Driver: modesetting 1.20.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 SVT-AV1 Git 1080p 8-bit YUV To AV1 Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 81.38 |=================================== 2 x Xeon 8280 - Ubuntu LTS ......... 65.16 |============================ 2 x Xeon 8280 - Ubuntu LTS + Flags . 65.66 |============================ SVT-HEVC Git 1080p 8-bit YUV To HEVC Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 363 |===================================== 2 x Xeon 8280 - Ubuntu LTS ......... 253 |========================== 2 x Xeon 8280 - Ubuntu LTS + Flags . 261 |=========================== SVT-VP9 Git 1080p 8-bit YUV To VP9 Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 404 |===================================== 2 x Xeon 8280 - Ubuntu LTS ......... 278 |========================= 2 x Xeon 8280 - Ubuntu LTS + Flags . 269 |========================= SVT-AV1 2019-03-07 1080p 8-bit YUV To AV1 Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 28.67 |=================================== 2 x Xeon 8280 - Ubuntu LTS ......... 21.70 |========================== 2 x Xeon 8280 - Ubuntu LTS + Flags . 21.73 |=========================== SVT-HEVC 2019-02-03 1080p 8-bit YUV To HEVC Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 365 |===================================== 2 x Xeon 8280 - Ubuntu LTS ......... 253 |========================== 2 x Xeon 8280 - Ubuntu LTS + Flags . 258 |========================== SVT-VP9 2019-02-17 1080p 8-bit YUV To VP9 Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 404 |===================================== 2 x Xeon 8280 - Ubuntu LTS ......... 272 |========================= 2 x Xeon 8280 - Ubuntu LTS + Flags . 268 |========================= VP9 libvpx Encoding 1.8.0 vpxenc VP9 1080p Video Encode Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 24.37 |=================================== 2 x Xeon 8280 - Ubuntu LTS ......... 23.17 |================================= 2 x Xeon 8280 - Ubuntu LTS + Flags . 19.20 |============================ x264 2018-09-25 H.264 Video Encoding Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 176 |===================================== 2 x Xeon 8280 - Ubuntu LTS ......... 118 |========================= 2 x Xeon 8280 - Ubuntu LTS + Flags . 116 |======================== x265 3.0 H.265 1080p Video Encoding Frames Per Second > Higher Is Better 2 x Xeon 8280 - Clear Linux ........ 62.06 |=================================== 2 x Xeon 8280 - Ubuntu LTS ......... 32.71 |================== 2 x Xeon 8280 - Ubuntu LTS + Flags . 32.07 |================== dav1d 0.1 Video Input: Summer Nature 4K Seconds < Lower Is Better 2 x Xeon 8280 - Clear Linux . 12.34 |========================================== dav1d 0.1 Video Input: Summer Nature 1080p Seconds < Lower Is Better 2 x Xeon 8280 - Clear Linux . 4.85 |===========================================