[SYSTEMDS-1254] New simplification rewrites for stratstats

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Done
• Fix Version/s: SystemML 0.13
• Component/s: Compiler
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 12/Feb/17 08:40
• Updated: 15/Feb/17 18:57
• Resolved: 15/Feb/17 18:57

Description

1) colSums(X%%Y) -> colSums(X) %% Y
2) rowSums(X%%Y) -> X %% rowSums(Y)
3) a=t(X), b=t(X^2) -> a=t(X), b=t(X)^2