dav1d 0.9.2 comparison
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.


Ryzen 9 5950X: 

	Processor: AMD Ryzen 9 5950X 16-Core @ 3.40GHz (16 Cores / 32 Threads), Motherboard: ASUS ROG CROSSHAIR VIII HERO (WI-FI) (3801 BIOS), Chipset: AMD Starship/Matisse, Memory: 32GB, Disk: 1000GB Sabrent Rocket 4.0 Plus, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2100/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: ASUS MG28U, Network: Realtek RTL8125 2.5GbE + Intel I211 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 21.10, Kernel: 5.14.0-rc2-hardened2 (x86_64) 20210901, Desktop: GNOME Shell 40.2, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.1.4 (LLVM 12.0.1), Vulkan: 1.2.168, Compiler: GCC 11.2.0, File-System: ext4, Screen Resolution: 3840x2160

Ampere Altra: 

	Processor: Ampere ARMv8 Neoverse-N1 @ 3.30GHz (160 Cores), Motherboard: WIWYNN Mt.Jade (1.08.20210825 SCP: BIOS), Chipset: Ampere Computing LLC Altra PCI Root Complex A, Memory: 16 x 32 GB DDR4-3200MT/s Samsung M393A4K40DB3-CWE, Disk: 3841GB Micron_9300_MTFDHAL3T8TDP + 960GB SAMSUNG MZ1LB960HAJQ-00007, Graphics: ASPEED, Network: Mellanox MT28908 + Intel I210

	OS: Ubuntu 21.04, Kernel: 5.11.0-31-generic (aarch64), Vulkan: 1.0.2, Compiler: GCC 10.3.0, File-System: ext4, Screen Resolution: 1024x768

Core i9 11900K: 

	Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Device 43ef, Memory: 32GB, Disk: 2000GB Corsair Force MP600, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Device 43c8, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Device 2725

	OS: Ubuntu 21.04, Kernel: 5.11.0-31-generic (x86_64), Desktop: GNOME Shell 3.38.4, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 21.0.1 (LLVM 11.0.1), Vulkan: 1.2.145, Compiler: GCC 10.3.0, File-System: ext4, Screen Resolution: 3840x2160

9900K 52x52x49 3866C15: 

	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 GA102 HD Audio, Monitor: U34G2G4R3, Network: Intel I219-V

	OS: Gentoo 2.7, Kernel: 5.13.10-zen1 (x86_64), Display Server: X Server 1.20.13, Display Driver: NVIDIA, Vulkan: 1.2.175, Compiler: GCC 11.2.0 + Clang 12.0.1 + LLVM 12.0.1 + CUDA 11.1, File-System: reiserfs, Screen Resolution: 1024x768


dav1d 0.9.1
Video Input: Chimera 1080p
FPS > Higher Is Better
Ryzen 9 5950X .......... 892.47 |==============================================
Ampere Altra ........... 619.61 |================================
Core i9 11900K ......... 795.58 |=========================================
9900K 52x52x49 3866C15 . 891.05 |==============================================


dav1d 0.9.1
Video Input: Summer Nature 4K
FPS > Higher Is Better
Ryzen 9 5950X .......... 239.75 |==========================================
Ampere Altra ........... 261.70 |==============================================
Core i9 11900K ......... 196.72 |===================================
9900K 52x52x49 3866C15 . 231.49 |=========================================


dav1d 0.9.1
Video Input: Summer Nature 1080p
FPS > Higher Is Better
Ryzen 9 5950X .......... 948.11 |==============================================
Ampere Altra ........... 760.71 |=====================================
Core i9 11900K ......... 736.67 |====================================
9900K 52x52x49 3866C15 . 764.73 |=====================================


dav1d 0.9.1
Video Input: Chimera 1080p 10-bit
FPS > Higher Is Better
Ryzen 9 5950X .......... 560.66 |==========================================
Ampere Altra ........... 338.03 |=========================
Core i9 11900K ......... 507.49 |======================================
9900K 52x52x49 3866C15 . 620.58 |==============================================


dav1d 0.9.2
Video Input: Chimera 1080p
FPS > Higher Is Better
Ryzen 9 5950X .......... 912.63 |==============================================
Ampere Altra ........... 612.74 |===============================
Core i9 11900K ......... 811.08 |=========================================
9900K 52x52x49 3866C15 . 893.97 |=============================================


dav1d 0.9.2
Video Input: Summer Nature 4K
FPS > Higher Is Better
Ryzen 9 5950X .......... 247.94 |=============================================
Ampere Altra ........... 255.65 |==============================================
Core i9 11900K ......... 202.06 |====================================
9900K 52x52x49 3866C15 . 234.08 |==========================================


dav1d 0.9.2
Video Input: Summer Nature 1080p
FPS > Higher Is Better
Ryzen 9 5950X .......... 958.87 |==============================================
Ampere Altra ........... 809.82 |=======================================
Core i9 11900K ......... 747.64 |====================================
9900K 52x52x49 3866C15 . 764.97 |=====================================


dav1d 0.9.2
Video Input: Chimera 1080p 10-bit
FPS > Higher Is Better
Ryzen 9 5950X .......... 586.58 |=========================================
Ampere Altra ........... 357.26 |=========================
Core i9 11900K ......... 530.47 |=====================================
9900K 52x52x49 3866C15 . 658.45 |==============================================