glibc-acpi-performance Intel Core i5-5300U testing with a Dell 0V8RX3 (A19 BIOS) and Intel HD 5500 3GB on Ubuntu 20.04 via the Phoronix Test Suite. acpi-performance: Processor: Intel Core i5-5300U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: Dell 0V8RX3 (A19 BIOS), Chipset: Intel Broadwell-U-OPI, Memory: 8GB, Disk: 256GB SK hynix SC210 m, Graphics: Intel HD 5500 3GB (900MHz), Audio: Intel Broadwell-U Audio, Network: Intel I218-LM + Intel 7265 OS: Ubuntu 20.04, Kernel: 5.8.0-41-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, Display Driver: intel, OpenGL: 4.6 Mesa 20.2.6, Vulkan: 1.2.145, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1366x768 glibc bench 1.0 Benchmark: cos nanoseconds < Lower Is Better acpi-performance . 71.09 |===================================================== glibc bench 1.0 Benchmark: exp nanoseconds < Lower Is Better acpi-performance . 9.54214 |=================================================== glibc bench 1.0 Benchmark: ffs nanoseconds < Lower Is Better acpi-performance . 3.54577 |=================================================== glibc bench 1.0 Benchmark: sin nanoseconds < Lower Is Better acpi-performance . 69.35 |===================================================== glibc bench 1.0 Benchmark: log2 nanoseconds < Lower Is Better acpi-performance . 12.34 |===================================================== glibc bench 1.0 Benchmark: modf nanoseconds < Lower Is Better acpi-performance . 4.04543 |=================================================== glibc bench 1.0 Benchmark: sinh nanoseconds < Lower Is Better acpi-performance . 14.01 |===================================================== glibc bench 1.0 Benchmark: sqrt nanoseconds < Lower Is Better acpi-performance . 3.60702 |=================================================== glibc bench 1.0 Benchmark: tanh nanoseconds < Lower Is Better acpi-performance . 18.45 |===================================================== glibc bench 1.0 Benchmark: asinh nanoseconds < Lower Is Better acpi-performance . 16.41 |===================================================== glibc bench 1.0 Benchmark: atanh nanoseconds < Lower Is Better acpi-performance . 18.35 |===================================================== glibc bench 1.0 Benchmark: ffsll nanoseconds < Lower Is Better acpi-performance . 3.44481 |=================================================== glibc bench 1.0 Benchmark: sincos nanoseconds < Lower Is Better acpi-performance . 22.16 |===================================================== glibc bench 1.0 Benchmark: pthread_once nanoseconds < Lower Is Better acpi-performance . 2.92193 |===================================================