mutex1 docker testing on Ubuntu 20.04 via the Phoronix Test Suite. Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0: Processor: Intel Core i5-8400 @ 2.80GHz (6 Cores), Motherboard: ASUS D640MB v1.0 (302 BIOS), Memory: 16GB, Disk: 256GB Western Digital PC SN520 SDAPNUW-256G-1002, Graphics: i915drmfb (1050MHz), Audio: Realtek ALC887-VD, Monitor: DELL P2419H OS: Ubuntu 20.04, Kernel: 5.12.11-300.fc34.x86_64 (x86_64), Display Driver: i915drmfb, Compiler: GCC 9.3.0, File-System: overlayfs, Screen Resolution: 1920x1080, System Layer: docker BenchmarkMutex Benchmark: Shared Mutex Lock Shared ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 29.2 |===================== BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 51.8 |===================== BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 21.1 |===================== BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 31.4 |===================== BenchmarkMutex Benchmark: Semaphore Release And Acquire ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 18 |======================= BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 53.7 |===================== BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 19.3 |===================== BenchmarkMutex Benchmark: Mutex Lock Unlock ticket_spinlock ns < Lower Is Better Intel Core i5-8400 - i915drmfb - ASUS D640MB v1.0 . 38.2 |=====================