spark git commit: [SPARK-5858][MLLIB] Remove unnecessary first() call in GLM

2015-02-17 Thread meng
Repository: spark Updated Branches: refs/heads/branch-1.3 824062912 -> 97cb568a2 [SPARK-5858][MLLIB] Remove unnecessary first() call in GLM `numFeatures` is only used by multinomial logistic regression. Calling `.first()` for every GLM causes performance regression, especially in Python. Aut

spark git commit: [SPARK-5858][MLLIB] Remove unnecessary first() call in GLM

2015-02-17 Thread meng
Repository: spark Updated Branches: refs/heads/master 3ce46e94f -> c76da36c2 [SPARK-5858][MLLIB] Remove unnecessary first() call in GLM `numFeatures` is only used by multinomial logistic regression. Calling `.first()` for every GLM causes performance regression, especially in Python. Author: