Liya Fan created ARROW-6935:
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Summary: [Java] Improve the performance of comparing two blocks of
heap data
Key: ARROW-6935
URL: https://issues.apache.org/jira/browse/ARROW-6935
Project: Apache Arrow
Issue Type: Improvement
Components: Java
Reporter: Liya Fan
Assignee: Liya Fan
Implement methods to compare data word by word, instead of byte by byte.
Benchmarks shows that there is a 4.5x performance improvement:
ByteFunctionHelpersBenchmarks.builtInByteArrayEquals avgt 5 437.504 ±
1.120 ns/op
ByteFunctionHelpersBenchmarks.byteArrayEquals avgt 5 97.700 ±
0.178 ns/op
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