[SPARK-37796] ByteArrayMethods arrayEquals should fast skip the check of aligning with unaligned platform

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.3.0
• Component/s: SQL
• Assignee: XiDuo You
• Reporter: XiDuo You
• Created: 31/Dec/21 06:02
• Updated: 15/Mar/22 11:41
• Resolved: 05/Jan/22 15:30

Description

The method `arrayEquals` in `ByteArrayMethods` is critical function which is used in `UTF8String.` `equals`, `indexOf`,`find` etc.

After SPARK-16962, it add the complexity of aligned. It would be better to fast sikip the check of aligning if the platform is unaligned.

Issue Links

• links to: [Github] Pull Request #35078 (ulysses-you)