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Mike Barnett

Mike Barnett

Who I Am

I am a Research Software Design Engineer in the Research in Software Engineering (RiSE) group. 

I have been with the Microsoft Corporation since July 1995. First, I was a member of the Natural Language Processing group in Microsoft Research, moving to the Foundations of Software Engineering group in the fall of 1999. I am now a member of the Research in Software Engineering (RiSE) group. Before coming to Microsoft, I had been an assistant professor of Computer Science at the University of Idaho for three years. I received my PhD in Computer Science from the University of Texas at Austin in 1992.

What I Do

  • Trill: A streaming query processor. It is the fastest in the world. Seriously.
  • Parasail: A novel approach to parallelizing a large class of seemingly sequential applications wherein dependencies are, at runtime, treated as symbolic values. The efficiency of parallelization, then, depends on the efficiency of the symbolic computation, an active area of research in static analysis, verification, and partial evaluation. This is exciting as advances in these fields can translate to novel parallel algorithms for sequential computation.
  • Tempe: An environment for doing interactive data analytics. Check out our video! And there's a blog post describing how Trill and Tempe are being used.
  • Cluster Changes: Improving the process of code review. See our paper "Helping Developers Help Themselves" at ICSE 2015.

What I Did

  • Code Contracts: a language-agnostic way to express specifications in any .NET language. Specifications include method preconditions, postconditions, and object invariants. Code Contracts capture programmer intentions about how methods and data are to be used. You can install the tools from the VS Gallery. And now it has been open-sourced and available at GitHub!
  • CCI: The Common Compiler Infrastructure is the framework to use if you are doing anything related to .NET binaries, either creating them from scratch, modifying existing ones, or just mining them for information. It is open-source and available at CodePlex.
  • ILMerge: a static linker for .NET assemblies.

  • Spec#: an experimental extension to C# that adds contract features such as method pre- and postconditions and object invariants. It also has a non-null type system. The Spec# compiler emits run-time checks that enforce the contracts and the Spec# program verifier uses theorem-proving technology to statically check the consistency between a program and its contracts. Spec# helps programmers write correct software and makes explicit the correct usage of APIs for clients. It is integrated into Visual Studio .NET. It is available as an open source project.