fftw cxl x Intel Core i9-10980XE testing with a ASRock X299 Steel Legend (P1.30 BIOS) and NVIDIA NV132 11GB on Ubuntu 20.10 via the Phoronix Test Suite. Intel Core i9-10980XE: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: NVIDIA NV132 11GB, Audio: Realtek ALC1220, Monitor: ASUS MG28U, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.10, Kernel: 5.4.0-42-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.8, Display Driver: nouveau 1.0.16, OpenGL: 4.3 Mesa 20.1.5, Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 3840x2160 FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 32 Mflops > Higher Is Better Intel Core i9-10980XE . 9611.4 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 64 Mflops > Higher Is Better Intel Core i9-10980XE . 7515.6 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 32 Mflops > Higher Is Better Intel Core i9-10980XE . 9150.2 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 64 Mflops > Higher Is Better Intel Core i9-10980XE . 7573.8 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 128 Mflops > Higher Is Better Intel Core i9-10980XE . 7353.7 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 256 Mflops > Higher Is Better Intel Core i9-10980XE . 7346.2 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 512 Mflops > Higher Is Better Intel Core i9-10980XE . 8666.3 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 128 Mflops > Higher Is Better Intel Core i9-10980XE . 8925.9 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 256 Mflops > Higher Is Better Intel Core i9-10980XE . 7561.0 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 512 Mflops > Higher Is Better Intel Core i9-10980XE . 7631.3 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 1024 Mflops > Higher Is Better Intel Core i9-10980XE . 9077.4 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 2048 Mflops > Higher Is Better Intel Core i9-10980XE . 8767.9 |=============================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 4096 Mflops > Higher Is Better Intel Core i9-10980XE . 8561.7 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 1024 Mflops > Higher Is Better Intel Core i9-10980XE . 7437.0 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 2048 Mflops > Higher Is Better Intel Core i9-10980XE . 6187.6 |=============================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 4096 Mflops > Higher Is Better Intel Core i9-10980XE . 5743.0 |=============================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 32 Mflops > Higher Is Better Intel Core i9-10980XE . 15378 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 64 Mflops > Higher Is Better Intel Core i9-10980XE . 19738 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 32 Mflops > Higher Is Better Intel Core i9-10980XE . 41347 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 64 Mflops > Higher Is Better Intel Core i9-10980XE . 41713 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 128 Mflops > Higher Is Better Intel Core i9-10980XE . 24176 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 256 Mflops > Higher Is Better Intel Core i9-10980XE . 35355 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 512 Mflops > Higher Is Better Intel Core i9-10980XE . 54651 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 128 Mflops > Higher Is Better Intel Core i9-10980XE . 32344 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 256 Mflops > Higher Is Better Intel Core i9-10980XE . 26192 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 512 Mflops > Higher Is Better Intel Core i9-10980XE . 26558 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 1024 Mflops > Higher Is Better Intel Core i9-10980XE . 64143 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 2048 Mflops > Higher Is Better Intel Core i9-10980XE . 63606 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 4096 Mflops > Higher Is Better Intel Core i9-10980XE . 60712 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 1024 Mflops > Higher Is Better Intel Core i9-10980XE . 25309 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 2048 Mflops > Higher Is Better Intel Core i9-10980XE . 22802 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 4096 Mflops > Higher Is Better Intel Core i9-10980XE . 18927 |================================================