fftw threading
Intel Core i7-6800K testing with a MSI X99A WORKSTATION (MS-7A54) v1.0 and NVIDIA GeForce GTX TITAN X 12288MB on Fedora 26 via the Phoronix Test Suite.


Intel Core i7-6800K: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB (1001/3505MHz), Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Fedora 26, Kernel: 4.11.9-300.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: NVIDIA 381.22, OpenGL: 4.5.0, Vulkan: 1.0.42, Compiler: GCC 7.1.1 20170622, File-System: ext4, Screen Resolution: 2560x1440

enable-threads: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB (1001/3505MHz), Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Fedora 26, Kernel: 4.11.9-300.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: NVIDIA 381.22, OpenGL: 4.5.0, Vulkan: 1.0.42, Compiler: GCC 7.1.1 20170622, File-System: ext4, Screen Resolution: 2560x1440

OpenMP: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB (1001/3505MHz), Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Fedora 26, Kernel: 4.11.9-300.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: NVIDIA 381.22, OpenGL: 4.5.0, Vulkan: 1.0.42, Compiler: GCC 7.1.1 20170622, File-System: ext4, Screen Resolution: 2560x1440

omp threads: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB (1001/3505MHz), Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Fedora 26, Kernel: 4.11.9-300.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: NVIDIA 381.22, OpenGL: 4.5.0, Vulkan: 1.0.42, Compiler: GCC 7.1.1 20170622, File-System: ext4, Screen Resolution: 2560x1440

new: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB (1001/3505MHz), Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Fedora 26, Kernel: 4.11.9-300.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: NVIDIA 381.22, OpenGL: 4.5.0, Vulkan: 1.0.42, Compiler: GCC 7.1.1 20170622, File-System: ext4, Screen Resolution: 2560x1440

verify: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB (1001/3505MHz), Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Fedora 26, Kernel: 4.11.9-300.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.2, Display Driver: NVIDIA 381.22, OpenGL: 4.5.0, Vulkan: 1.0.42, Compiler: GCC 7.1.1 20170622, File-System: ext4, Screen Resolution: 2560x1440


FFTW 3.3.4
Build: Float + SSE - Size: 1D FFT Size 2048
Mflops > Higher Is Better
Intel Core i7-6800K . 23380 |=============================
enable-threads ...... 24252 |==============================
OpenMP .............. 24223 |==============================
omp threads ......... 24144 |==============================
new ................. 40836 |==================================================
verify .............. 40182 |=================================================


FFTW 3.3.4
Build: Float + SSE - Size: 2D FFT Size 2048
Mflops > Higher Is Better
Intel Core i7-6800K . 14015 |===================================
enable-threads ...... 14028 |===================================
OpenMP .............. 14556 |=====================================
omp threads ......... 14261 |====================================
new ................. 19904 |==================================================
verify .............. 19846 |==================================================