3900x glibc
AMD Ryzen 9 3900X 12-Core testing with a ASUS ROG CROSSHAIR VIII HERO (WI-FI) (0803 BIOS) and Sapphire AMD Radeon RX 550 640SP / 560/560X 4GB on Ubuntu 19.10 via the Phoronix Test Suite.


AMD Ryzen 9 3900X 12-Core: 

	Processor: AMD Ryzen 9 3900X 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: ASUS ROG CROSSHAIR VIII HERO (WI-FI) (0803 BIOS), Chipset: AMD Starship/Matisse, Memory: 16384MB, Disk: 2000GB Force MP600, Graphics: Sapphire AMD Radeon RX 550 640SP / 560/560X 4GB (1300/1750MHz), Audio: AMD Baffin HDMI/DP, Monitor: Acer B286HK, Network: Realtek Device 8125 + Intel I211 + Intel Device 2723

	OS: Ubuntu 19.10, Kernel: 5.2.0-15-generic (x86_64), Desktop: GNOME Shell 3.33.91, Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, OpenGL: 4.5 Mesa 19.1.4 (LLVM 8.0.1), Compiler: GCC 9.2.1 20190827, File-System: ext4, Screen Resolution: 3840x2160


LAME MP3 Encoding 3.100
WAV To MP3
Seconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 6.98 |=============================================


glibc bench 1.0
Benchmark: cos
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 40.28 |============================================


glibc bench 1.0
Benchmark: exp
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 4.99 |=============================================


glibc bench 1.0
Benchmark: ffs
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.91 |=============================================


glibc bench 1.0
Benchmark: sin
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 40.07 |============================================


glibc bench 1.0
Benchmark: log2
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 6.10 |=============================================


glibc bench 1.0
Benchmark: modf
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 2.14 |=============================================


glibc bench 1.0
Benchmark: sinh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 7.36 |=============================================


glibc bench 1.0
Benchmark: sqrt
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 2.14 |=============================================


glibc bench 1.0
Benchmark: tanh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 10.11 |============================================


glibc bench 1.0
Benchmark: asinh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 8.18 |=============================================


glibc bench 1.0
Benchmark: atanh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 10.00 |============================================


glibc bench 1.0
Benchmark: ffsll
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.70 |=============================================


glibc bench 1.0
Benchmark: sincos
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 11.74 |============================================


glibc bench 1.0
Benchmark: pthread_once
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.69 |=============================================