"cloud as a supercomputer (mainframe)"
Episode #85: Serverless at IBM with Michael Behrendt - Serverless Chats Podcast
IBM Cloud Code Engine: https://ibm.biz/codeengine
Cloud Functions: https://cloud.ibm.com/functions/
IBM Cloud Functions Tutorial: https://cloud.ibm.com/functions/
IBM Cloud Code Engine Getting Started: https://cloud.ibm.com/docs/codeengine?topic=codeengine-getting-started
IBM Cloud Free Tier: https://www.ibm.com/cloud/free
Can I run my apps for free?
Yes. With a Lite account, you get 256 MB of free runtime memory per month for your Cloud Foundry apps. You can also build and deploy with any Lite plan service at no cost, ever.