zhangfengcdt commented on PR #1526:
URL: https://github.com/apache/sedona/pull/1526#issuecomment-2243467152
> @zhangfengcdt Did you see performance improvement using this
implementation, compared to the previous one?
@jiayuasu I have used the newly added test to measure both old and new
runtime for different number of geometries. Here are the results:
```
Number of Polygons | OLD ST_Union_Aggr (in ms) | NEW ST_Union_Aggr (in
ms)
-------------------------------------------------------------------------------
100 | 297 | 354
500 | 750 | 386
1,000 | 2,231 | 430
5,000 | 53,870 | 1,400
10,000 | 243,465 | 3,474
```
I think it shows clearly the new method is much efficient and scalable.
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