micro benchmarking code
Scaling Hogwild gradients
Merge branch 'porkchop' of https://github.com/pbailis/spark into porkchop
merging upstream
Merge branch 'porkchop' of https://github.com/pbailis/spark into porkchop
adding point cloud data
Merge branch 'porkchop' of https://github.com/pbailis/spark into porkchop