Hello Mutex
AMD Ryzen 9 3900X 12-Core testing with a ASUS ROG CROSSHAIR VIII HERO (WI-FI) (1001 BIOS) and AMD Radeon RX 56/64 8GB on Ubuntu 19.10 via the Phoronix Test Suite.


AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB -: 

	Processor: AMD Ryzen 9 3900X 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: ASUS ROG CROSSHAIR VIII HERO (WI-FI) (1001 BIOS), Chipset: AMD Starship/Matisse, Memory: 16384MB, Disk: 2000GB Force MP600 + 2000GB SABRENT, Graphics: AMD Radeon RX 56/64 8GB (1630/945MHz), Audio: AMD Vega 10 HDMI Audio, Monitor: Acer B286HK, Network: Realtek Device 8125 + Intel I211 + Intel Device 2723

	OS: Ubuntu 19.10, Kernel: 5.5.0-999-generic (x86_64) 20191228, Desktop: GNOME Shell 3.34.1, Display Server: X Server 1.20.5, Display Driver: amdgpu 19.0.1, OpenGL: 4.6 Mesa 20.0.0-devel (git-b0203b5 2019-12-29 eoan-oibaf-ppa) (LLVM 9.0.1), Compiler: GCC 9.2.1 20191008, File-System: ext4, Screen Resolution: 3840x2160


BenchmarkMutex
Benchmark: Shared Mutex Lock Shared
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 19 |===================


BenchmarkMutex
Benchmark: Mutex Lock Unlock spinlock
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 42 |===================


BenchmarkMutex
Benchmark: Mutex Lock Unlock std::mutex
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 13 |===================


BenchmarkMutex
Benchmark: Mutex Lock Unlock std::mutex
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 18 |===================


BenchmarkMutex
Benchmark: Semaphore Release And Acquire
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 11 |===================


BenchmarkMutex
Benchmark: Mutex Lock Unlock spinlock_amd
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 43 |===================


BenchmarkMutex
Benchmark: Mutex Lock Unlock pthread_mutex
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 10 |===================


BenchmarkMutex
Benchmark: Mutex Lock Unlock ticket_spinlock
ns < Lower Is Better
AMD Ryzen 9 3900X 12-Core - AMD Radeon RX 56/64 8GB - . 29 |===================