Optimize allocation rate for int64 array in hex function
#16483
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I think this is probably faster! Do we have any benchmarks for this to show it? |
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Which issue does this PR close?
Comment from #15947 regarding potentially optimized memory usage #15947 (comment)
Rationale for this change
iter().map(...).collect()introduces intermediate allocations and this patch optimizes this behavior by reducing buffer allocation only once specifically of hex computation forint64.