Extensive Benchmarks Of Amazon's EC2 Compute Cloud Performance Written by Michael Larabel in Software on 12 January 2011 at 10:03 AM EST. Page 1 of 8. 2 Comments. Last month we delivered our first benchmarks of the Amazon EC2 Cloud, but those initial tests were limited to just a few of their cloud computing instances due to failures with the Ubuntu EC2 operating system on their other compute insta