[ARROW-5706] [Java] Remove type conversion in getValidityBufferValueCapacity

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.14.0
• Component/s: Java
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/22136
• Assignee: Ji Liu
• Reporter: Ji Liu
• Created: 24/Jun/19 10:07
• Updated: 11/Jan/23 07:42
• Resolved: 24/Jun/19 14:15

Description

Now implementation of getValidityBufferValueCapacity is:

(int) (validityBuffer.capacity() * 8L)

Seems no need to convert it to Long then convert it back to Int, just replace with:

validityBuffer.capacity() * 8

VariableWidthVectorBenchmarks#getValueCapacity shows the performance:

Before:

avgt 5 5.731 ± 0.160 ns/op

After:

avgt 5 5.124 ± 0.125 ns/op

Issue Links

• links to: GitHub Pull Request #4672