Linux 5.15 Intel Patch Rocket Lake Intel Core i9-11900K regression testing of Linux 5.15 by Michael Larabel. Linux 5.14: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411 OS: Ubuntu 21.10, Kernel: 5.14.0-051400-generic (x86_64), 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 Linux 5.15-rc1: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411 OS: Ubuntu 21.10, Kernel: 5.15.0-rc1-phx (x86_64) 20210913, 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 5.15 3reverts: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411 OS: Ubuntu 21.10, Kernel: 5.15.0-rc2-3reverts (x86_64) 20210922, 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 flush-in-the-ref: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0707 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 2000GB Corsair Force MP600, Graphics: AMD Radeon VII 16GB (1801/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Wi-Fi 6 AX210/AX211/AX411 OS: Ubuntu 21.10, Kernel: 5.15.0-rc2-flush-in-the-ref (x86_64) 20210921, 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 DaCapo Benchmark 9.12-MR1 Java Test: Jython msec < Lower Is Better Linux 5.14 ....... 2927 |===================================================== Linux 5.15-rc1 ... 3005 |====================================================== 5.15 3reverts .... 2978 |====================================================== flush-in-the-ref . 2938 |===================================================== JPEG XL libjxl 0.5 Input: PNG - Encode Speed: 5 MP/s > Higher Is Better Linux 5.14 ....... 52.91 |===================================================== Linux 5.15-rc1 ... 51.98 |==================================================== 5.15 3reverts .... 52.82 |===================================================== flush-in-the-ref . 52.90 |===================================================== JPEG XL libjxl 0.5 Input: PNG - Encode Speed: 7 MP/s > Higher Is Better Linux 5.14 ....... 10.43 |===================================================== Linux 5.15-rc1 ... 10.18 |=================================================== 5.15 3reverts .... 10.51 |===================================================== flush-in-the-ref . 10.52 |===================================================== JPEG XL libjxl 0.5 Input: PNG - Encode Speed: 8 MP/s > Higher Is Better Linux 5.14 ....... 1.06 |===================================================== Linux 5.15-rc1 ... 1.04 |==================================================== 5.15 3reverts .... 1.06 |===================================================== flush-in-the-ref . 1.07 |====================================================== JPEG XL libjxl 0.5 Input: JPEG - Encode Speed: 5 MP/s > Higher Is Better Linux 5.14 ....... 101.84 |==================================================== Linux 5.15-rc1 ... 97.60 |================================================= 5.15 3reverts .... 102.70 |==================================================== flush-in-the-ref . 102.77 |==================================================== JPEG XL libjxl 0.5 Input: JPEG - Encode Speed: 7 MP/s > Higher Is Better Linux 5.14 ....... 101.80 |==================================================== Linux 5.15-rc1 ... 98.11 |================================================== 5.15 3reverts .... 102.01 |==================================================== flush-in-the-ref . 102.11 |==================================================== JPEG XL libjxl 0.5 Input: JPEG - Encode Speed: 8 MP/s > Higher Is Better Linux 5.14 ....... 38.62 |===================================================== Linux 5.15-rc1 ... 37.77 |==================================================== 5.15 3reverts .... 38.37 |===================================================== flush-in-the-ref . 38.39 |===================================================== JPEG XL Decoding libjxl 0.5 CPU Threads: 1 MP/s > Higher Is Better Linux 5.14 ....... 75.36 |===================================================== Linux 5.15-rc1 ... 73.64 |==================================================== 5.15 3reverts .... 75.47 |===================================================== flush-in-the-ref . 75.61 |===================================================== JPEG XL Decoding libjxl 0.5 CPU Threads: All MP/s > Higher Is Better Linux 5.14 ....... 364.49 |=================================================== Linux 5.15-rc1 ... 333.58 |=============================================== 5.15 3reverts .... 366.87 |==================================================== flush-in-the-ref . 368.39 |==================================================== Timed FFmpeg Compilation 4.4 Time To Compile Seconds < Lower Is Better Linux 5.14 ....... 47.36 |==================================================== Linux 5.15-rc1 ... 48.58 |===================================================== 5.15 3reverts .... 47.37 |==================================================== flush-in-the-ref . 47.31 |==================================================== Timed Godot Game Engine Compilation 3.2.3 Time To Compile Seconds < Lower Is Better Linux 5.14 ....... 105.11 |================================================== Linux 5.15-rc1 ... 108.35 |==================================================== 5.15 3reverts .... 104.91 |================================================== flush-in-the-ref . 104.85 |================================================== Timed Linux Kernel Compilation 5.14 Time To Compile Seconds < Lower Is Better Linux 5.14 ....... 77.01 |==================================================== Linux 5.15-rc1 ... 79.25 |===================================================== 5.15 3reverts .... 76.98 |=================================================== flush-in-the-ref . 76.96 |=================================================== Timed LLVM Compilation 12.0 Build System: Ninja Seconds < Lower Is Better Linux 5.14 ....... 591.37 |=================================================== Linux 5.15-rc1 ... 606.75 |==================================================== 5.15 3reverts .... 590.28 |=================================================== flush-in-the-ref . 590.63 |=================================================== Timed LLVM Compilation 12.0 Build System: Unix Makefiles Seconds < Lower Is Better Linux 5.14 ....... 607.18 |================================================== Linux 5.15-rc1 ... 629.22 |==================================================== 5.15 3reverts .... 601.47 |================================================== flush-in-the-ref . 601.29 |================================================== Timed Mesa Compilation 21.0 Time To Compile Seconds < Lower Is Better Linux 5.14 ....... 44.78 |==================================================== Linux 5.15-rc1 ... 45.69 |===================================================== 5.15 3reverts .... 44.77 |==================================================== flush-in-the-ref . 44.74 |==================================================== Timed Node.js Compilation 15.11 Time To Compile Seconds < Lower Is Better Linux 5.14 ....... 392.81 |=================================================== Linux 5.15-rc1 ... 403.94 |==================================================== 5.15 3reverts .... 391.87 |================================================== flush-in-the-ref . 392.33 |=================================================== RawTherapee Total Benchmark Time Seconds < Lower Is Better Linux 5.14 ....... 50.65 |================================================== Linux 5.15-rc1 ... 53.50 |===================================================== 5.15 3reverts .... 50.66 |================================================== flush-in-the-ref . 50.42 |================================================== Stress-NG 0.13.02 Test: MMAP Bogo Ops/s > Higher Is Better Linux 5.14 ....... 267.63 |=================================================== Linux 5.15-rc1 ... 237.95 |============================================== 5.15 3reverts .... 269.32 |==================================================== flush-in-the-ref . 270.92 |==================================================== Stress-NG 0.13.02 Test: MEMFD Bogo Ops/s > Higher Is Better Linux 5.14 ....... 975.07 |================================================= Linux 5.15-rc1 ... 898.53 |============================================= 5.15 3reverts .... 1007.20 |=================================================== flush-in-the-ref . 1003.01 |=================================================== Geometric Mean Of All Test Results Result Composite - Linux 5.15 Intel Patch Rocket Lake Geometric Mean > Higher Is Better Linux 5.14 ....... 6.679 |===================================================== Linux 5.15-rc1 ... 6.421 |=================================================== 5.15 3reverts .... 6.699 |===================================================== flush-in-the-ref . 6.713 |=====================================================