xuzifu666 commented on PR #55982:
URL: https://github.com/apache/spark/pull/55982#issuecomment-4505210054
> Is there a microbenchmark that demonstrates the perf benefit?
@yaooqinn I had added a benchmark test and the improment as follow:
Benchmark Test Results
```
┌───────────────────────┬────────────────────────────┬─────────────────────────────┬───────────────┐
│ Metric │ Unoptimized Plan │ Optimized
Plan │ Improvement │
├───────────────────────┼────────────────────────────┼─────────────────────────────┼───────────────┤
│ Iterations │ 1,000 │ 1,000
│ - │
├───────────────────────┼────────────────────────────┼─────────────────────────────┼───────────────┤
│ Test Case │ rand(5) * 3 < 3 (analyzed) │ rand(5) * 3 < 3
(optimized) │ - │
├───────────────────────┼────────────────────────────┼─────────────────────────────┼───────────────┤
│ Planning Time (Run 1) │ 1,362 ms │ 364 ms
│ 73% faster │
├───────────────────────┼────────────────────────────┼─────────────────────────────┼───────────────┤
│ Planning Time (Run 2) │ 1,249 ms │ 550 ms
│ 55% faster │
├───────────────────────┼────────────────────────────┼─────────────────────────────┼───────────────┤
│ Planning Time (Run 3) │ 1,200-1,400 ms │ 300-500 ms
│ 50-73% faster │
├───────────────────────┼────────────────────────────┼─────────────────────────────┼───────────────┤
│ Average Improvement │ - │ -
│ ~60% │
└───────────────────────┴────────────────────────────┴─────────────────────────────┴───────────────┘
```
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