FFT fft tests FFT1: Processor: 2 x Intel Xeon E5-2680 v3 @ 3.30GHz (48 Cores), Motherboard: ASUS Z10PE-D8 WS, Chipset: Intel Xeon E5 v3/Core, Memory: 8 x 16384 MB 2133MHz Micron, Disk: 3 x 4001GB Western Digital WD4003FZEX-0 + 500GB Samsung SSD 850, Graphics: LLVMpipe, Audio: Realtek ALC1150, Network: Intel I210 Gigabit Connection OS: CentOS 7.1.1503, Kernel: 4.2.0-1.el7.elrepo.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Server: X Server 1.15.0, Display Driver: nouveau 1.0.10, OpenGL: 2.1 Mesa 10.2.7 Gallium 0.4, Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 FFTE 5.0 Test: N=64, 1D Complex FFT Routine MFLOPS > Higher Is Better FFT1 . 3032.81 |=============================================================== FFTW 3.3.4 Build: Float + SSE - Size: 2D FFT Size 256 Mflops > Higher Is Better FFT1 . 11354.20 |==============================================================