ci: add performance regression check for PRs / merges - #24562

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Dandandan wants to merge 10 commits into

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Dandandan:ci-tpch-regression-check

Commits on Aug 21, 2026

ci: add opt-in TPC-H SF1 performance regression check for PRs

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claude
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f406bd3
ci: install tpchgen-cli via taiki-e/install-action

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12aec6c
ci: build both benchmark runners concurrently, with LTO off

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2938436
ci: build the two benchmark runners on a runner each

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72deefe
ci: benchmark TPC-H SF10, and install tpchgen-cli from its wheel

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a75c417
ci: interleave the two benchmark sides, and gate on the median round

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13cbfd9
ci: benchmark every merge on main, and call the two sides base and head

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e8eb355
ci: say which machine a benchmark run lands on, and why

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af4197b
ci: drop the deprecated tpchgen-cli flags, and cut the workflow's wall clock

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5eef2cd
ci: trim the benchmark comments and README

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3694485