search

yanboliang / spark-vlbfgs

Vector-free L-BFGS implementation for Spark MLlib
Apache License 2.0
46 stars 17 forks source link

Improve VLBFGS DV dot precomputation #33

Closed WeichenXu123 closed 7 years ago

WeichenXu123 commented 7 years ago

use union + repartition instead of custom zipMultiRdds operator. In VLBFGS direction computation.