I saw this is not updated to 2018.

[Hashcat][1] breaks an 8 chars full coverage (a-zA-Z0-9!-=) password in 26 days on a single 1080 Nvidia GPU. [![enter image description here][2]][2]

Here's a picture of a civilian password breaking machine, also called mining rig.

[![Bitcoin Rig / Small Password Breaking Machine][3]][3]


  [1]: https://www.darknet.org.uk/2016/08/ighashgpu-gpu-based-hash-cracking-sha1-md5-md4/
  [2]: https://i.sstatic.net/II0j3.png
  [3]: https://i.sstatic.net/lUcNE.jpg