jpegxl 5900HX AMD Ryzen 9 5900HX testing with a ASUS G513QY v1.0 (G513QY.311 BIOS) and ASUS AMD Cezanne 512MB on Ubuntu 21.10 via the Phoronix Test Suite. 1: Processor: AMD Ryzen 9 5900HX @ 3.30GHz (8 Cores / 16 Threads), Motherboard: ASUS G513QY v1.0 (G513QY.311 BIOS), Chipset: AMD Renoir/Cezanne, Memory: 16GB, Disk: 512GB SAMSUNG MZVLQ512HBLU-00B00, Graphics: ASUS AMD Cezanne 512MB (2600/1000MHz), Audio: AMD Navi 21 HDMI Audio, Monitor: LQ156M1JW25, Network: Realtek RTL8111/8168/8411 + MEDIATEK Device 7961 OS: Ubuntu 21.10, Kernel: 5.14.0-051400rc4daily20210804-generic (x86_64) 20210803, 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: 1920x1080 2: Processor: AMD Ryzen 9 5900HX @ 3.30GHz (8 Cores / 16 Threads), Motherboard: ASUS G513QY v1.0 (G513QY.311 BIOS), Chipset: AMD Renoir/Cezanne, Memory: 16GB, Disk: 512GB SAMSUNG MZVLQ512HBLU-00B00, Graphics: ASUS AMD Cezanne 512MB (2600/1000MHz), Audio: AMD Navi 21 HDMI Audio, Monitor: LQ156M1JW25, Network: Realtek RTL8111/8168/8411 + MEDIATEK Device 7961 OS: Ubuntu 21.10, Kernel: 5.14.0-051400rc4daily20210804-generic (x86_64) 20210803, 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: 1920x1080 3: Processor: AMD Ryzen 9 5900HX @ 3.30GHz (8 Cores / 16 Threads), Motherboard: ASUS G513QY v1.0 (G513QY.311 BIOS), Chipset: AMD Renoir/Cezanne, Memory: 16GB, Disk: 512GB SAMSUNG MZVLQ512HBLU-00B00, Graphics: ASUS AMD Cezanne 512MB (2600/1000MHz), Audio: AMD Navi 21 HDMI Audio, Monitor: LQ156M1JW25, Network: Realtek RTL8111/8168/8411 + MEDIATEK Device 7961 OS: Ubuntu 21.10, Kernel: 5.14.0-051400rc4daily20210804-generic (x86_64) 20210803, 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: 1920x1080 JPEG XL Decoding libjxl 0.5 CPU Threads: 1 MP/s > Higher Is Better 1 . 61.60 |==================================================================== 2 . 61.40 |==================================================================== 3 . 60.98 |=================================================================== JPEG XL Decoding libjxl 0.5 CPU Threads: All MP/s > Higher Is Better 1 . 142.25 |=================================================================== 2 . 141.63 |=================================================================== 3 . 140.86 |================================================================== JPEG XL libjxl 0.5 Input: PNG - Encode Speed: 5 MP/s > Higher Is Better 1 . 39.98 |==================================================================== 2 . 39.95 |==================================================================== 3 . 39.74 |==================================================================== JPEG XL libjxl 0.5 Input: JPEG - Encode Speed: 5 MP/s > Higher Is Better 1 . 90.76 |==================================================================== 2 . 90.50 |==================================================================== 3 . 90.24 |==================================================================== JPEG XL libjxl 0.5 Input: JPEG - Encode Speed: 7 MP/s > Higher Is Better 1 . 90.29 |==================================================================== 2 . 90.43 |==================================================================== 3 . 89.92 |==================================================================== JPEG XL libjxl 0.5 Input: PNG - Encode Speed: 7 MP/s > Higher Is Better 1 . 9.13 |===================================================================== 2 . 9.18 |===================================================================== 3 . 9.16 |===================================================================== JPEG XL libjxl 0.5 Input: JPEG - Encode Speed: 8 MP/s > Higher Is Better 1 . 33.64 |==================================================================== 2 . 33.68 |==================================================================== 3 . 33.69 |==================================================================== JPEG XL libjxl 0.5 Input: PNG - Encode Speed: 8 MP/s > Higher Is Better 1 . 1.02 |===================================================================== 2 . 1.02 |===================================================================== 3 . 1.02 |=====================================================================