thisisnic commented on PR #48104:
URL: https://github.com/apache/arrow/pull/48104#issuecomment-3521284132
Bit of a weird one to write tests for, so I just ran microbenchmarks using
the code supplied by the user on the linked issue.
Running user-supplied reprex on main branch without this change:
```
> microbenchmark::microbenchmark(fn_arrow(), fn_nano(), times = 20)
Unit: milliseconds
expr min lq mean median uq max neval
fn_arrow() 7591.8715 7810.82744 7918.969 7883.9831 8092.0043 8238.5480 20
fn_nano() 77.6787 90.42936 119.264 109.1114 126.8542 243.1027
20
```
Then, with it:
```
> microbenchmark::microbenchmark(fn_arrow(), fn_nano(), times = 20)
Unit: milliseconds
expr min lq mean median uq max neval
fn_arrow() 254.86050 259.42603 301.5087 265.7393 285.8860 707.4794 20
fn_nano() 73.24052 92.19223 147.6159 118.3257 218.1055 240.3102 20
```
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