_In this section it is referred that Paravirtualization is faster than HVM.
I’m afraid that is not quite the case, in this article _http://www.brendangregg.com/blog/2017-11-29/aws-ec2-virtualization-2017.html you will find a deep dive into the generations of EC2’s and the virtualization technology behind (who would believe that the bottleneck nowadays is the memory i/o ??)
That’s a great blog post, thanks for sharing! We’ll take a look at updating that lecture