How to Use Google App Engine for Free Computing

Can the Google App Engine cloud service be used, free of charge, to execute parameter study problems? That question drove this research, which is founded on the App Engine's newly developed Task Queue API. The authors created a simple and extensible framework implementing the master-worker model to enable usage of the App Engine application servers as computational nodes. This article presents and discusses the results of the feasibility study, as well as compares the solution with EC2, Amazon's free cloud offering.