korowa commented on PR #5057:
URL: 
https://github.com/apache/arrow-datafusion/pull/5057#issuecomment-1407400414

   I have only these in my notes
   ```
   // Single partition
   ./target/release/examples/clickbench  4.10s user 0.59s system 113% cpu 4.142 
total
   ./target/release/examples/clickbench  4.14s user 0.56s system 136% cpu 3.451 
total
   ./target/release/examples/clickbench  4.13s user 0.55s system 135% cpu 3.446 
total
   ./target/release/examples/clickbench  4.29s user 0.55s system 134% cpu 3.603 
total
   
   // Multiple partition
   ./target/release/examples/clickbench  5.32s user 0.96s system 288% cpu 2.174 
total
   ./target/release/examples/clickbench  5.14s user 0.89s system 392% cpu 1.534 
total
   ./target/release/examples/clickbench  5.24s user 0.92s system 405% cpu 1.517 
total
   ./target/release/examples/clickbench  5.14s user 0.91s system 399% cpu 1.516 
total
   ./target/release/examples/clickbench  5.23s user 0.92s system 405% cpu 1.518 
total
   ```
   which doesn't look like "official" benchmark at all. These are results for 
[this query from 
clickbench](https://github.com/ClickHouse/ClickBench/blob/main/datafusion/queries.sql#L26)
 over 14GB parquet file on 2.6 GHz 6-Core Intel Core i7


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