hwat is the largest supercomputer you have ever worked with?

Question: hwat is the largest supercomputer you have ever worked with?
- Keywords:
  computer,
  daily routine,
  supercomputer
Asked by oliviacording to Iain on 25 Jun 2015.
- Iain Bethune answered on 25 Jun 2015:
  
  The largest machine I’ve ever used is Piz Daint, which is located in Switzerland and is currently the 6th fastest supercomputer in the world!

Question: hwat is the largest supercomputer you have ever worked with?