fftw- Float + SSE - Size: 2D FFT Size 2048 Intel Core i5-7600K testing with a ASUS PRIME Z270-K and Intel Kabylake GT2 3072MB on Ubuntu 16.04 via the Phoronix Test Suite. Float + SSE - Size: 2D FFT Size 2048: Processor: Intel Core i5-7600K @ 3.80GHz (4 Cores), Motherboard: ASUS PRIME Z270-K, Chipset: Intel Device 591f, Memory: 32768MB, Disk: 2 x 2000GB Hitachi HDS72302 + 128GB SAMSUNG SSD 830, Graphics: Intel Kabylake GT2 3072MB (1150MHz), Audio: Realtek ALC887-VD, Monitor: E2350, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.4.0-45-generic (x86_64), Desktop: Xfce 4.12, Display Driver: intel 2.99.917, OpenGL: 4.3 Mesa 12.0.6, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1920x1080 FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 2048 Mflops > Higher Is Better Float + SSE - Size: 2D FFT Size 2048 . 22680 |=================================