fft-base 2 x Intel Xeon E5-2620 v3 testing with a Supermicro X10DRL-i v1.01 and ASPEED ASPEED Family on Ubuntu 13.10 via the Phoronix Test Suite. Intel Xeon E5-2620 v3: Processor: 2 x Intel Xeon E5-2620 v3 @ 3.20GHz (24 Cores), Motherboard: Supermicro X10DRL-i v1.01, Chipset: Intel Haswell-E DMI2, Memory: 64512MB, Disk: 2 x 2000GB TOSHIBA MG03ACA2, Graphics: ASPEED ASPEED Family, Network: Intel I210 Gigabit Connection OS: Ubuntu 13.10, Kernel: 3.16.0+ (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1200 FFTW 3.3.4 Build: Stock - Size: 2D FFT Size 32 Mflops > Higher Is Better Intel Xeon E5-2620 v3 . 6787.34 |============================================== FFTW 3.3.4 Build: Float + SSE - Size: 2D FFT Size 32 Mflops > Higher Is Better Intel Xeon E5-2620 v3 . 20755 |================================================