5800x dav1d
Intel Core i9-9900K testing with a EVGA 121-KS-E375 v1.0 (1.16 BIOS) and Gigabyte NVIDIA GeForce RTX 3080 10GB on Gentoo 2.7 via the Phoronix Test Suite.


1: 

	Processor: AMD Ryzen 7 5800X 8-Core @ 3.80GHz (8 Cores / 16 Threads), Motherboard: ASRock X570 Pro4 (P3.40 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 1000GB Sabrent Rocket 4.0 Plus, Graphics: Sapphire AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1560/2100MHz), Audio: AMD Ellesmere HDMI Audio, Monitor: LG Ultra HD, Network: Intel I211

	OS: Ubuntu 20.10, Kernel: 5.11.0-rc1-phx (x86_64) 20201228, Desktop: GNOME Shell 3.38.1, Display Server: X Server 1.20.9, Display Driver: modesetting 1.20.9, OpenGL: 4.6 Mesa 20.2.1 (LLVM 11.0.0), Vulkan: 1.2.131, Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 1920x1080

2: 

	Processor: AMD Ryzen 7 5800X 8-Core @ 3.80GHz (8 Cores / 16 Threads), Motherboard: ASRock X570 Pro4 (P3.40 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 1000GB Sabrent Rocket 4.0 Plus, Graphics: Sapphire AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1560/2100MHz), Audio: AMD Ellesmere HDMI Audio, Monitor: LG Ultra HD, Network: Intel I211

	OS: Ubuntu 20.10, Kernel: 5.11.0-rc1-phx (x86_64) 20201228, Desktop: GNOME Shell 3.38.1, Display Server: X Server 1.20.9, Display Driver: modesetting 1.20.9, OpenGL: 4.6 Mesa 20.2.1 (LLVM 11.0.0), Vulkan: 1.2.131, Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 1920x1080

3: 

	Processor: AMD Ryzen 7 5800X 8-Core @ 3.80GHz (8 Cores / 16 Threads), Motherboard: ASRock X570 Pro4 (P3.40 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 1000GB Sabrent Rocket 4.0 Plus, Graphics: Sapphire AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1560/2100MHz), Audio: AMD Ellesmere HDMI Audio, Monitor: LG Ultra HD, Network: Intel I211

	OS: Ubuntu 20.10, Kernel: 5.11.0-rc1-phx (x86_64) 20201228, Desktop: GNOME Shell 3.38.1, Display Server: X Server 1.20.9, Display Driver: modesetting 1.20.9, OpenGL: 4.6 Mesa 20.2.1 (LLVM 11.0.0), Vulkan: 1.2.131, Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 1920x1080

9900K 52x52x49 3900C15: 

	Processor: Intel Core i9-9900K @ 5.20GHz (8 Cores / 16 Threads), Motherboard: EVGA 121-KS-E375 v1.0 (1.16 BIOS), Chipset: Intel 8th/9th, Memory: 32GB, Disk: Samsung SSD 970 EVO 500GB + 240GB KINGSTON SH103S3 + 2000GB Samsung SSD 860 + 256GB PLEXTOR PX-256M6 + 2000GB Western Digital WD2003FZEX-0, Graphics: Gigabyte NVIDIA GeForce RTX 3080 10GB, Audio: NVIDIA Device 1aef, Monitor: U34G2G4R3, Network: Intel I219-V

	OS: Gentoo 2.7, Kernel: 5.11.15-zen1 (x86_64), Display Server: X Server 1.20.11, Display Driver: NVIDIA, Compiler: GCC 11.1.0 + Clang 12.0.0 + LLVM 12.0.0 + CUDA 11.1, File-System: reiserfs, Screen Resolution: 1024x768


dav1d 0.8.1
Video Input: Chimera 1080p
FPS > Higher Is Better
1 ...................... 705.36 |===================================
2 ...................... 701.11 |===================================
3 ...................... 710.34 |===================================
9900K 52x52x49 3900C15 . 926.07 |==============================================


dav1d 0.8.1
Video Input: Summer Nature 4K
FPS > Higher Is Better
1 ...................... 204.44 |=========================================
2 ...................... 205.07 |=========================================
3 ...................... 204.98 |=========================================
9900K 52x52x49 3900C15 . 231.45 |==============================================


dav1d 0.8.1
Video Input: Summer Nature 1080p
FPS > Higher Is Better
1 ...................... 657.91 |==========================================
2 ...................... 621.27 |========================================
3 ...................... 640.74 |=========================================
9900K 52x52x49 3900C15 . 715.81 |==============================================


dav1d 0.8.1
Video Input: Chimera 1080p 10-bit
FPS > Higher Is Better
1 ...................... 83.65  |=============================
2 ...................... 85.01  |=============================
3 ...................... 83.73  |=============================
9900K 52x52x49 3900C15 . 134.74 |==============================================