alamb commented on PR #17275:
URL: https://github.com/apache/datafusion/pull/17275#issuecomment-3214339099

   > Comparing HEAD and alamb_update_arrow
   > --------------------
   > Benchmark clickbench_pushdown.json
   > --------------------
   > ┏━━━━━━━━━━━━━━┳━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
   > ┃ Query        ┃        HEAD ┃ alamb_update_arrow ┃        Change ┃
   > ┡━━━━━━━━━━━━━━╇━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
   > │ QQuery 10    │   420.27 ms │          488.87 ms │  1.16x slower │
   > │ QQuery 11    │   500.34 ms │          555.10 ms │  1.11x slower │
   > │ QQuery 12    │  1789.42 ms │         1521.70 ms │ +1.18x faster │
   > │ QQuery 13    │  2698.81 ms │         2426.41 ms │ +1.11x faster │
   > │ QQuery 14    │  1898.26 ms │         1644.37 ms │ +1.15x faster │
   > │ QQuery 18    │  5366.43 ms │         4887.05 ms │ +1.10x faster │
   > │ QQuery 19    │   125.17 ms │          149.12 ms │  1.19x slower │
   > │ QQuery 20    │  2109.40 ms │         1932.01 ms │ +1.09x faster │
   > │ QQuery 22    │  5457.70 ms │         4063.91 ms │ +1.34x faster │
   > │ QQuery 23    │  2056.23 ms │         1470.65 ms │ +1.40x faster │
   > │ QQuery 24    │   291.14 ms │          252.50 ms │ +1.15x faster │
   > │ QQuery 25    │  1032.66 ms │          649.43 ms │ +1.59x faster │
   > │ QQuery 26    │   549.09 ms │          380.68 ms │ +1.44x faster │
   > │ QQuery 27    │  4127.01 ms │         2982.51 ms │ +1.38x faster │
   > │ QQuery 28    │ 26766.22 ms │        24180.99 ms │ +1.11x faster │
   
   - I believe this is directly attributable to the predicate caching 
@XiangpengHao added in https://github.com/apache/arrow-rs/issues/8203
   


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