adriangb commented on PR #16433:
URL: https://github.com/apache/datafusion/pull/16433#issuecomment-3036131650

   I did a bench run, confounding results:
   
   ```
   ┏━━━━━━━━━━━━━━┳━━━━━━━━━━┳━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
   ┃ Query        ┃     main ┃ topk-filters ┃        Change ┃
   ┡━━━━━━━━━━━━━━╇━━━━━━━━━━╇━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
   │ Q1           │  9.96 ms │     10.70 ms │  1.07x slower │
   │ Q2           │ 12.63 ms │     15.30 ms │  1.21x slower │
   │ Q3           │ 33.45 ms │     35.22 ms │  1.05x slower │
   │ Q4           │ 15.22 ms │     16.82 ms │  1.11x slower │
   │ Q5           │  9.87 ms │      8.85 ms │ +1.12x faster │
   │ Q6           │ 16.54 ms │     22.16 ms │  1.34x slower │
   │ Q7           │ 43.41 ms │     44.00 ms │     no change │
   │ Q8           │ 22.91 ms │     34.56 ms │  1.51x slower │
   │ Q9           │ 38.68 ms │     39.60 ms │     no change │
   │ Q10          │ 65.73 ms │     73.24 ms │  1.11x slower │
   │ Q11          │ 34.78 ms │     37.14 ms │  1.07x slower │
   └──────────────┴──────────┴──────────────┴───────────────┘
   ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━┓
   ┃ Benchmark Summary           ┃          ┃
   ┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━┩
   │ Total Time (main)           │ 303.17ms │
   │ Total Time (topk-filters)   │ 337.58ms │
   │ Average Time (main)         │  27.56ms │
   │ Average Time (topk-filters) │  30.69ms │
   │ Queries Faster              │        1 │
   │ Queries Slower              │        8 │
   │ Queries with No Change      │        2 │
   │ Queries with Failure        │        0 │
   └─────────────────────────────┴──────────┘
   ```
   
   Mostly... slower


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