fftw big
AMD Ryzen 9 3950X 16-Core testing with a ASUS ROG CROSSHAIR VIII HERO (WI-FI) (1201 BIOS) and AMD Radeon RX 56/64 8GB on Ubuntu 20.04 via the Phoronix Test Suite.


AMD Ryzen 9 3950X 16-Core: 

	Processor: AMD Ryzen 9 3950X 16-Core @ 3.50GHz (16 Cores / 32 Threads), Motherboard: ASUS ROG CROSSHAIR VIII HERO (WI-FI) (1201 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 2000GB Force MP600, Graphics: AMD Radeon RX 56/64 8GB (1630/945MHz), Audio: AMD Vega 10 HDMI Audio, Monitor: Acer B286HK, Network: Realtek RTL8125 2.5GbE + Intel I211 + Intel Wi-Fi 6 AX200

	OS: Ubuntu 20.04, Kernel: 5.4.0-9-generic (x86_64), Desktop: GNOME Shell 3.34.1, Display Server: X Server 1.20.5, Display Driver: amdgpu 19.1.0, OpenGL: 4.5 Mesa 19.2.4 (LLVM 9.0.0), Compiler: GCC 9.2.1 20191130, File-System: ext4, Screen Resolution: 3840x2160


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 32
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 11188 |============================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 64
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 10750 |============================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 32
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 11083 |============================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 64
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 9574.1 |===========================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 128
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 8765.8 |===========================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 256
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 9084.8 |===========================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 512
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 9420.3 |===========================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 128
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 9056.3 |===========================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 256
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 8907.9 |===========================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 512
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 8682.2 |===========================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 1024
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 9328.2 |===========================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 2048
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 8961.5 |===========================================


FFTW 3.3.6
Build: Stock - Size: 1D FFT Size 4096
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 8720.5 |===========================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 1024
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 7774.0 |===========================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 2048
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 6459.3 |===========================================


FFTW 3.3.6
Build: Stock - Size: 2D FFT Size 4096
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 6786.8 |===========================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 32
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 15573 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 64
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 20872 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 32
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 45674 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 64
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 47258 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 128
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 27522 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 256
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 38954 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 512
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 51125 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 128
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 47046 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 256
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 43875 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 512
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 43931 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 1024
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 57624 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 2048
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 61297 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 1D FFT Size 4096
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 57759 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 1024
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 43926 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 2048
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 22773 |============================================


FFTW 3.3.6
Build: Float + SSE - Size: 2D FFT Size 4096
Mflops > Higher Is Better
AMD Ryzen 9 3950X 16-Core . 20794 |============================================