[SPARK-21389][ML][MLLIB] Optimize ALS recommendForAll by gemm#18624

Closed

mpjlu wants to merge 9 commits intoapache:masterfrom

mpjlu:OptimizeAlsByGEMM

Commits on Jul 13, 2017

add poll for PriorityQueue
Peng Meng
committed
test pass
Peng Meng
committed
fix bug
Peng Meng
committed
code style change
Peng Meng
committed
Code style fix
Peng Meng
committed

Commits on Jul 14, 2017

fix build error
Peng Meng
committed

Commits on Jul 17, 2017

fix DenseMatrix Store bugs
Peng Meng
committed
change poll to sortBy
Peng Meng
committed

Commits on Dec 12, 2017

reset code
Peng Meng
committed