Joe Nievelt

Adding MutableSumAll and Semigroup#bufferedSumOption,statefulSummer

14

Refactoring some Semigroup#sumOption optimizations to use these. Closes #291 These should be getting test coverage indirectly, but I'm open to suggestions for additional tests to add.

Formalization of approximate interface with an exact backing

6

This idea seems to crop up in a few places. Essentially, exact structures can be taken as a special case of our sketch structures that take up less space. In...

IllegalArgumentException when computing HLL intersection size

1

I suspect this is a sort of edge case in the HLL approximation algo, but it seems there should be a better way to surface this than this exception. I've...

tests for scaffold.Document

1

Also closing some HTML elements in main.html to make it XML parseable for testing.

Memory platform can remove side effects

1

This may have impact beyond `Memory`. If you setup a job like: ``` scala import com.twitter.summingbird.memory.Memory val source = Memory.toSource(Seq(1,2,3)) val mapped = source.map { x => x -> 1...