[ARROW-11115] [Rust] Implement dot-product in a compute kernel

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Invalid
• Component/s: Rust
• Labels: compute dotproduct linalg
• External issue URL: https://github.com/apache/arrow/issues/27026
• Assignee: Unassigned
• Reporter: Erik De Smedt
• Created: 03/Jan/21 10:31
• Updated: 11/Jan/23 08:17
• Resolved: 26/Apr/21 12:44

Description

An efficient implementation of the dot-product is useful for many machine-learning applications.

I would propose to treat null as zero for the implementation. This behavior is sensible because it corresponds to dropping any observation where null-data is present.