Gentoo Odroid Xu4 audio
ARMv7 Cortex-A15 testing with a Hardkernel ODROID-XU4 Odroid XU4 and exynosdrmfb on Gentoo/Linux via the Phoronix Test Suite.


Gentoo Glibc SDcard 10.2 Default: 

	Processor: ARMv7 Cortex-A15 @ 1.40GHz (8 Cores), Motherboard: Hardkernel ODROID-XU4 Odroid XU4, Memory: 2048MB, Disk: 16GB SDW16G + 64GB SP64G

	OS: Gentoo 2.7, Kernel: 5.4.98+ (armv7l), Display Server: X Server, Compiler: GCC 10.2.0 + Clang 11.1.0 + LLVM 11.1.0, File-System: ext4

Armbian Glibc EMMC 10.2 Default: 

	Processor: ARMv7 Cortex-A15 @ 1.20GHz (8 Cores), Motherboard: Hardkernel ODROID-XU4 Odroid XU4, Memory: 2048MB, Disk: 64GB SP64G + 16GB SDW16G, Graphics: exynosdrmfb

	OS: Ubuntu 20.04, Kernel: 5.11.2-odroidxu4 (armv7l), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080

Raspberry 2B FreeBSD 13.0 clang 11.0: 

	Processor: ARM Cortex-A7 r0p5 (ECO: 0x00000000) @ 1.00GHz (4 Cores), Memory: 1024MB, Disk: 58GB

	OS: FreeBSD, Kernel: 13.0-RELEASE (arm), Compiler: Clang 11.0.1, File-System: ufs

Gentoo Musl EMMC 10.2 ClearCFLAGS world: 

	Processor: ARMv7 Cortex-A15 @ 1.40GHz (8 Cores), Motherboard: Hardkernel ODROID-XU4 Odroid XU4, Memory: 2048MB, Disk: 8GB U3 Cruzer Micro + 16GB SDW16G + 32GB SL32G, Graphics: exynosdrmfb

	OS: Gentoo/Linux, Kernel: 5.4.109+ (armv7l), Compiler: GCC 10.2.0 + LLVM 11.1.0, File-System: btrfs, Screen Resolution: 1920x1080

Gentoo Musl EMMC 10.2 ClearCFLAGS world lto: 

	Processor: ARMv7 Cortex-A15 @ 1.40GHz (8 Cores), Motherboard: Hardkernel ODROID-XU4 Odroid XU4, Memory: 2048MB, Disk: 8GB U3 Cruzer Micro + 16GB SDW16G + 32GB SL32G, Graphics: exynosdrmfb

	OS: Gentoo/Linux, Kernel: 5.4.109+ (armv7l), Compiler: GCC 10.2.0 + LLVM 11.1.0, File-System: btrfs, Screen Resolution: 1920x1080


FLAC Audio Encoding 1.3.2
WAV To FLAC
Seconds < Lower Is Better
Gentoo Glibc SDcard 10.2 Default ............ 109.40 |=====
Armbian Glibc EMMC 10.2 Default ............. 115.33 |=====
Raspberry 2B FreeBSD 13.0 clang 11.0 ........ 546.80 |=========================
Gentoo Musl EMMC 10.2 ClearCFLAGS world ..... 113.72 |=====
Gentoo Musl EMMC 10.2 ClearCFLAGS world lto . 116.37 |=====


Ogg Audio Encoding 1.3.4
WAV To Ogg
Seconds < Lower Is Better
Gentoo Glibc SDcard 10.2 Default . 123.17 |====================================


Opus Codec Encoding 1.3.1
WAV To Opus Encode
Seconds < Lower Is Better
Gentoo Glibc SDcard 10.2 Default ........ 61.68 |=============================
Armbian Glibc EMMC 10.2 Default ......... 64.68 |==============================
Gentoo Musl EMMC 10.2 ClearCFLAGS world . 64.15 |==============================


WavPack Audio Encoding 5.3
WAV To WavPack
Seconds < Lower Is Better
Gentoo Glibc SDcard 10.2 Default ............ 226.50 |=======================
Armbian Glibc EMMC 10.2 Default ............. 235.12 |========================
Gentoo Musl EMMC 10.2 ClearCFLAGS world ..... 241.17 |========================
Gentoo Musl EMMC 10.2 ClearCFLAGS world lto . 246.63 |=========================