ref: f4822bb957fc7084f3ff1e75341af04f22d16e82
parent: af9aa25eb3ee934c7b3f92815a1598b4df84122a
parent: 33218c2034f1b97fc5de933128edc2d79dce080f
author: Hui Su <huisu@google.com>
date: Thu Feb 7 16:30:47 EST 2019
Merge "Refactor the model for rect partition pruning"