Add feature: dot with vector
Merge with original dot_mapper
remove some shuffles in the als, naive_bayes
fix optimized twice error
fix some bus in als and naive_bayes
Merge pull request #198 from fegin/master

Rewrite fuzzy_kmeans by using built-ins only.
remove shuffle in apps
Add application: Jacobi Method
Modify test size according to number of workers
Merge pull request #199 from fegin/master

Fix the bug that automatical tiling algorithm can't handle AsArray if the val is a np.ndarray.
fix somebugs
fix qr tile_hint and map op expr force error
fix pca parakeet optimization error
add ssvd, qr and pca benchmark
Merge pull request #202 from fegin/master

Rewrite knn by using builtins.
Remove elder version of mapper and evaluate
Merge branch 'dot_vec' into jacobi
add comments in map _evaluate_kws
Merge pull request #203 from MaggieQi/master

Try to remove some shuffles in the apps
fix cg map_fusion error: after map_fusion, there are some local
operators dealing with one sparse matrix and one dense matrix
Merge pull request #204 from MaggieQi/master

fix cg map_fusion error: after map_fusion, there are some local