hzuo commented on PR #12793:
URL: https://github.com/apache/arrow/pull/12793#issuecomment-1095974889
I would guess it doesn't matter since it should just be sugar.
To be conservative I prefer the latter syntax since that's the usual style
for indexing into typed arrays (so is likely what the engines use in their own
benchmarks).
Would benchmark to be sure. Btw, you're probably already aware, but when
comparing benchmarks, I had to run a few iterations before the performance
stabilized, even across separate invocations to `yarn perf`:
```
for i in {1..5}; do yarn perf; done
```
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