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Dongjoon Hyun 989b0c773f [SPARK-29297][TESTS] Compare core/mllib module benchmarks in JDK8/11
### What changes were proposed in this pull request?

This PR regenerate the benchmark results in `core` and `mllib` module in order to compare JDK8/JDK11 result.

### Why are the changes needed?

According to the result, For `PropertiesCloneBenchmark` and `UDTSerializationBenchmark`, JDK11 is slightly faster. In general, there is no regression in JDK11.

### Does this PR introduce any user-facing change?

No.

### How was this patch tested?

This is a test-only PR. Manually run the benchmark.

Closes #25969 from dongjoon-hyun/SPARK-29297.

Authored-by: Dongjoon Hyun <dhyun@apple.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
2019-09-29 21:43:58 -07:00