[MAHOUT-1737] H20 implementation of AewUnaryFunc physical operator

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.1
• Fix Version/s: 0.10.2
• Epic Link: Samsara-framework
• Sprint: Jul-2015
• Assignee: Anand Avati
• Reporter: Dmitriy Lyubimov
• Created: 10/Jun/15 22:22
• Updated: 07/Aug/15 15:56
• Resolved: 24/Jun/15 18:34

Description

this physical operator allows to optimize elementwise expressions like
`dlog(X * X) + 1` where elementwise function compositions are detected and fused into one physical operator by logical optimizer.

This is an essential support.