I made the below presentation for a talk a while ago.  The notes have roughly what I said in the presentation to try to demystify the internals.<p><a href="https:&#x2F;&#x2F;docs.google.com&#x2F;presentation&#x2F;d&#x2F;1t8grwHN0SB7HGgD9Jv9gRjJthoRzBDHK6Iw77TFhXXc&#x2F;edit#slide=id.ge423a65cf_0_84" rel="nofollow">https:&#x2F;&#x2F;docs.google.com&#x2F;presentation&#x2F;d&#x2F;1t8grwHN0SB7HGgD9Jv9g...</a>