glibc ubuntu 18.04 LTS
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 18.04 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 Device 1480, Memory: 16384MB, Disk: 2000GB Force MP600 + 15GB Ultra USB 3.0, Graphics: Sapphire AMD Radeon RX 550 640SP / 560/560X 4GB (1300/1750MHz), Audio: AMD Device aae0, Monitor: Acer B286HK, Network: Realtek Device 8125 + Intel I211 + Intel Device 2723

	OS: Ubuntu 18.04, Kernel: 5.0.0-27-generic (x86_64), Desktop: GNOME Shell 3.28.4, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 3840x2160


glibc bench 1.0
Benchmark: cos
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 34613.40 |=========================================


glibc bench 1.0
Benchmark: exp
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 19919.87 |=========================================


glibc bench 1.0
Benchmark: ffs
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.75 |=============================================


glibc bench 1.0
Benchmark: sin
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 34943.13 |=========================================


glibc bench 1.0
Benchmark: log2
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 7.29 |=============================================


glibc bench 1.0
Benchmark: modf
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.94 |=============================================


glibc bench 1.0
Benchmark: sinh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 10.98 |============================================


glibc bench 1.0
Benchmark: sqrt
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 2.13 |=============================================


glibc bench 1.0
Benchmark: tanh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 11.17 |============================================


glibc bench 1.0
Benchmark: asinh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 16.95 |============================================


glibc bench 1.0
Benchmark: atanh
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 10.59 |============================================


glibc bench 1.0
Benchmark: ffsll
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.74 |=============================================


glibc bench 1.0
Benchmark: sincos
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 30087.77 |=========================================


glibc bench 1.0
Benchmark: pthread_once
nanoseconds < Lower Is Better
AMD Ryzen 9 3900X 12-Core . 1.73 |=============================================