[GitHub] [arrow-datafusion] alamb commented on issue #2427: Improve Sorting / Merge performance by Apply the row format, and taking advantage of new JIT framework

Sun, 29 May 2022 04:02:52 -0700 


alamb commented on issue #2427:
URL: 
https://github.com/apache/arrow-datafusion/issues/2427#issuecomment-1140425072

   In case anyone is interested, here are some flame graphs I gathered for the 
merge benchmarks:
   All gathered from `alamb/merge_bench` which is based on master at 
7b7edf9c43383c1d3310286b69d2d037db72c967
   
   ```shell
   alamb@MacBook-Pro-6 arrow-datafusion % git merge-base 
alamb/alamb/merge_bench apache/master
   7b7edf9c43383c1d3310286b69d2d037db72c967
   ```
   
   
![flamegraph-merge-utf8-tuple](https://user-images.githubusercontent.com/490673/170864629-612ea5cb-1a18-4ec3-ba77-885104f84d84.svg)
   
   
![flamegraph-merge-utf8-low](https://user-images.githubusercontent.com/490673/170864628-5d449964-c2f0-4321-898b-fbc5966452cc.svg)
   
   
![flamegraph-merge-utf8-high](https://user-images.githubusercontent.com/490673/170864623-54b8783a-af8a-431c-a940-0706b7924431.svg)
   
   
   
   
![flamegraph-merge-i64](https://user-images.githubusercontent.com/490673/170864615-4acc62ca-ccdf-41c7-9ebd-5a632cdae5bd.svg)
   
![flamegraph-merge-mixed-tuple](https://user-images.githubusercontent.com/490673/170864618-d0fe094b-646c-4bb9-81a5-7b3dc23d76aa.svg)
   
   
   
![flamegraph-merge-f64](https://user-images.githubusercontent.com/490673/170864613-91b1b63a-7f14-4bc7-b474-6b02bfa9c62e.svg)
   


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