On a RockPro64:

```

processor : 5

BogoMIPS : 48.00

Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid

CPU implementer : 0x41

CPU architecture: 8

CPU variant : 0x0

CPU part : 0xd08

CPU revision : 2

```

Bitcoin core I wrote long ago says:

```

2022-09-28T11:51:15Z Using the 'arm_shani(1way,2way)' SHA256 implementation

```

Using SATA SSD disks on a real SATA3 connection (not USB) on LUKS (RockPro64 has the encryption extensions) still takes around a week to complete.