[SPARK-34291] LSH hashDistance optimization

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.2.0
• Component/s: ML
• Assignee: Ruifeng Zheng
• Reporter: Ruifeng Zheng
• Created: 29/Jan/21 09:54
• Updated: 06/Feb/21 19:26
• Resolved: 06/Feb/21 19:26

Description

Currently, a hashing vector generated by hashFunction only has one elements.

This attribute can be used for optimization.

Issue Links

• links to: [Github] Pull Request #31394 (zhengruifeng)
• links to: [Github] Pull Request #31394 (zhengruifeng)