[DO NOT MERGE] Experimental `RowFn` - #9255

Draft

connortsui20 wants to merge 12 commits into

Commits on Aug 7, 2026

Add the RowFn scalar function framework

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fef191d
Benchmark the row executor and the null strategies

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ae099e8
Port the numeric binary kernels to RowFn

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b324f3e
Port the tensor scalar functions to RowFn

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aebe3ca
Port the geo predicates to RowFn

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6c13e85
Record the row scalar function research and handoff notes

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b541d4b
Fix RowFn documentation checks
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ea58061
Record RowFn regression and landing plan
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66b8742
Port owned RowFn numeric execution
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02beb2d
Record RowFn x86 vectorization research
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ecb3826
Clarify RowFn compiler ablation evidence
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d0a3186
Record completed RowFn Copy ablation
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53fff33