spark git commit: [SPARK-4581][MLlib] Refactorize StandardScaler to improve the transformation performance

2014-11-25 Thread meng
Repository: spark Updated Branches: refs/heads/master 69cd53eae - bf1a6aaac [SPARK-4581][MLlib] Refactorize StandardScaler to improve the transformation performance The following optimizations are done to improve the StandardScaler model transformation performance. 1) Covert Breeze dense

spark git commit: [SPARK-4581][MLlib] Refactorize StandardScaler to improve the transformation performance

2014-11-25 Thread meng
Repository: spark Updated Branches: refs/heads/branch-1.2 96f76fc40 - 1e356a8fa [SPARK-4581][MLlib] Refactorize StandardScaler to improve the transformation performance The following optimizations are done to improve the StandardScaler model transformation performance. 1) Covert Breeze