Description
There were a lot of works on improving ALS's recommendForAll
For now, I found that it maybe futhermore optimized by
1, using GEMV;
2, use guava.ordering instead of BoundedPriorityQueue;
There were a lot of works on improving ALS's recommendForAll
For now, I found that it maybe futhermore optimized by
1, using GEMV;
2, use guava.ordering instead of BoundedPriorityQueue;