Hello!

We recently noticed unexpected performance with Arrow's temporal
operation kernels (in particular, CeilTemporal). The perf we see are around
1.4-1.8 Gb / s. This seems to be much lower than adding a constant to a
float column (~9Gb/s). This is a bit unexpected because CeilTemporal is
similar to a numeric round operation so we are wondering if there are some
benchmarks around this and where the issue might be?

Thanks!
Li

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