memtest Rockchip ARMv8 Cortex-A72 testing on Ubuntu 20.04 via the Phoronix Test Suite. Rockchip ARMv8 Cortex-A72 - - FriendlyElec NanoPi M4: Processor: Rockchip ARMv8 Cortex-A72 @ 1.42GHz (6 Cores), Motherboard: FriendlyElec NanoPi M4, Memory: 2048MB, Disk: 125GB USDU1, Monitor: G226HQL OS: Ubuntu 20.04, Kernel: 4.19.111 (aarch64), Display Server: X Server 1.20.8, Compiler: GCC 9.3.0, File-System: overlayfs, Screen Resolution: 1920x1080 MBW 2018-09-08 Test: Memory Copy - Array Size: 128 MiB MiB/s > Higher Is Better Rockchip ARMv8 Cortex-A72 - - FriendlyElec NanoPi M4 . 3258.83 |============== MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB MiB/s > Higher Is Better Rockchip ARMv8 Cortex-A72 - - FriendlyElec NanoPi M4 . 3327.82 |==============