Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2009.Includes bibliographical references (p. 63).We designed a diverse collection of benchmarks for Main Memory Database Systems (MMDBs) to validate and compare entries in a programming contest. Each entrant to the contest programmed an indexing system optimized for multicore multithread execution. The contest framework provided an API for the contestants, and benchmarked their submissions. This thesis describes the test goals, the API, and the test environment. It documents the website used by the contestants, describes the general nature of the tests run on each submission, and summarizes the results for each submission that was ...