fftw rocket lake Intel Core i9-11900K testing with a ASUS ROG MAXIMUS XIII HERO (0703 BIOS) and AMD Radeon RX 6800/6800 XT / 6900 16GB on Ubuntu 21.04 via the Phoronix Test Suite. 1: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0703 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 1000GB Western Digital WD_BLACK SN850 1TB, Graphics: AMD Radeon RX 6800/6800 XT / 6900 16GB (2575/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Device 2725 OS: Ubuntu 21.04, Kernel: 5.12.0-051200rc3daily20210315-generic (x86_64) 20210314, Desktop: GNOME Shell 3.38.3, Display Server: X Server 1.20.10 + Wayland, OpenGL: 4.6 Mesa 21.1.0-devel (git-616720d 2021-03-16 hirsute-oibaf-ppa) (LLVM 12.0.0), Compiler: GCC 10.2.1 20210320, File-System: ext4, Screen Resolution: 3840x2160 2: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0703 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 1000GB Western Digital WD_BLACK SN850 1TB, Graphics: AMD Radeon RX 6800/6800 XT / 6900 16GB (2575/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Device 2725 OS: Ubuntu 21.04, Kernel: 5.12.0-051200rc3daily20210315-generic (x86_64) 20210314, Desktop: GNOME Shell 3.38.3, Display Server: X Server 1.20.10 + Wayland, OpenGL: 4.6 Mesa 21.1.0-devel (git-616720d 2021-03-16 hirsute-oibaf-ppa) (LLVM 12.0.0), Compiler: GCC 10.2.1 20210320, File-System: ext4, Screen Resolution: 3840x2160 3: Processor: Intel Core i9-11900K @ 5.10GHz (8 Cores / 16 Threads), Motherboard: ASUS ROG MAXIMUS XIII HERO (0703 BIOS), Chipset: Intel Tiger Lake-H, Memory: 32GB, Disk: 1000GB Western Digital WD_BLACK SN850 1TB, Graphics: AMD Radeon RX 6800/6800 XT / 6900 16GB (2575/1000MHz), Audio: Intel Tiger Lake-H HD Audio, Monitor: ASUS MG28U, Network: 2 x Intel I225-V + Intel Device 2725 OS: Ubuntu 21.04, Kernel: 5.12.0-051200rc3daily20210315-generic (x86_64) 20210314, Desktop: GNOME Shell 3.38.3, Display Server: X Server 1.20.10 + Wayland, OpenGL: 4.6 Mesa 21.1.0-devel (git-616720d 2021-03-16 hirsute-oibaf-ppa) (LLVM 12.0.0), Compiler: GCC 10.2.1 20210320, File-System: ext4, Screen Resolution: 3840x2160 FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 4096 Mflops > Higher Is Better 1 . 27931 |==================================================================== 2 . 27265 |================================================================== 3 . 27817 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 4096 Mflops > Higher Is Better 1 . 7528.4 |=================================================================== 2 . 7504.5 |=================================================================== 3 . 7453.9 |================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 2048 Mflops > Higher Is Better 1 . 31197 |==================================================================== 2 . 30854 |=================================================================== 3 . 30997 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 2048 Mflops > Higher Is Better 1 . 8175.4 |=================================================================== 2 . 7963.6 |================================================================= 3 . 8060.2 |================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 32 Mflops > Higher Is Better 1 . 11822.9 |================================================================== 2 . 11669.0 |================================================================= 3 . 11765.0 |================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 64 Mflops > Higher Is Better 1 . 53842 |================================================================== 2 . 54924 |=================================================================== 3 . 55547 |==================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 1024 Mflops > Higher Is Better 1 . 42377 |==================================================================== 2 . 41954 |=================================================================== 3 . 41964 |=================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 64 Mflops > Higher Is Better 1 . 31301 |================================================================== 2 . 32206 |==================================================================== 3 . 31466 |================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 128 Mflops > Higher Is Better 1 . 38631 |=================================================================== 2 . 39353 |==================================================================== 3 . 38590 |=================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 128 Mflops > Higher Is Better 1 . 10487.0 |================================================================== 2 . 10414.1 |================================================================= 3 . 10528.9 |================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 512 Mflops > Higher Is Better 1 . 76670 |==================================================================== 2 . 75084 |=================================================================== 3 . 75469 |=================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 32 Mflops > Higher Is Better 1 . 61915 |================================================================ 2 . 63844 |================================================================== 3 . 65903 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 1024 Mflops > Higher Is Better 1 . 9412.4 |=================================================================== 2 . 9381.2 |================================================================== 3 . 9472.9 |=================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 64 Mflops > Higher Is Better 1 . 12109 |=================================================================== 2 . 12083 |=================================================================== 3 . 12300 |==================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 32 Mflops > Higher Is Better 1 . 19056 |================================================================== 2 . 19631 |==================================================================== 3 . 19484 |=================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 256 Mflops > Higher Is Better 1 . 55392 |==================================================================== 2 . 54070 |================================================================== 3 . 54242 |=================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 512 Mflops > Higher Is Better 1 . 43530 |=================================================================== 2 . 44137 |==================================================================== 3 . 43846 |==================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 4096 Mflops > Higher Is Better 1 . 85418 |=================================================================== 2 . 86204 |==================================================================== 3 . 85034 |=================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 1024 Mflops > Higher Is Better 1 . 92791 |==================================================================== 2 . 93009 |==================================================================== 3 . 92756 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 512 Mflops > Higher Is Better 1 . 10036.8 |================================================================== 2 . 10049.0 |================================================================== 3 . 10095.0 |================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 256 Mflops > Higher Is Better 1 . 39016 |==================================================================== 2 . 39158 |==================================================================== 3 . 39235 |==================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 2048 Mflops > Higher Is Better 1 . 90101 |================================================================== 2 . 92597 |==================================================================== 3 . 88798 |================================================================= FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 1024 Mflops > Higher Is Better 1 . 11269 |==================================================================== 2 . 10981 |================================================================== 3 . 11257 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 4096 Mflops > Higher Is Better 1 . 10451 |==================================================================== 2 . 10441 |==================================================================== 3 . 10372 |=================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 256 Mflops > Higher Is Better 1 . 10249 |==================================================================== 2 . 10263 |==================================================================== 3 . 10214 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 512 Mflops > Higher Is Better 1 . 11014 |==================================================================== 2 . 11061 |==================================================================== 3 . 11026 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 64 Mflops > Higher Is Better 1 . 11418 |=================================================================== 2 . 11525 |==================================================================== 3 . 11375 |=================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 2048 Mflops > Higher Is Better 1 . 10542 |==================================================================== 2 . 10568 |==================================================================== 3 . 10580 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 256 Mflops > Higher Is Better 1 . 11047 |==================================================================== 2 . 11103 |==================================================================== 3 . 11092 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 32 Mflops > Higher Is Better 1 . 13667 |=================================================================== 2 . 13709 |=================================================================== 3 . 13814 |==================================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 128 Mflops > Higher Is Better 1 . 46326 |==================================================================== 2 . 46515 |==================================================================== 3 . 46640 |==================================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 128 Mflops > Higher Is Better 1 . 11070 |==================================================================== 2 . 10921 |=================================================================== 3 . 10984 |===================================================================