"A map/reduce program that counts the matches of a regex in the input.");
pgd.addClass("randomwriter", RandomWriter.class,
"A map/reduce program that writes 10GB of random data per node.");
pgd.addClass("randomtextwriter", RandomTextWriter.class,
"A map/reduce program that writes 10GB of random textual data per node.");
pgd.addClass("sort", Sort.class, "A map/reduce program that sorts the data written by the random writer.");
pgd.addClass("pi", PiEstimator.class, "A map/reduce program that estimates Pi using monte-carlo method.");
pgd.addClass("pentomino", DistributedPentomino.class,
"A map/reduce tile laying program to find solutions to pentomino problems.");
pgd.addClass("sudoku", Sudoku.class, "A sudoku solver.");
pgd.addClass("sleep", SleepJob.class, "A job that sleeps at each map and reduce task.");