perf(tableau-sum): 5.04x faster GeneralizedTableauSum build (lazy branch materialization + faster fingerprinting)#157

Merged

Roger-luo merged 30 commits into

mainfrom

autotune/tableau-sum-build

Jul 8, 2026

Commits on Jun 23, 2026

chore(autotune): add tableau-sum-build experiment + deterministic bench harness
david-pl
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chore(autotune): record baseline + architecture notes
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chore(autotune): add accuracy fingerprint (sum_p2, top5) to bench harness
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chore(autotune): record accuracy reference values
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chore(autotune): plan lazy-materialization approach
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perf(tableau-sum): lazy branch materialization for loss/pauli noise

david-pl
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claude
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chore(autotune): record lazy-materialization keep (2.73x)
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perf(tableau-sum): bulk-hash word_fingerprint in one pass

david-pl
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claude
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chore(autotune): plan bulk-word-hash approach
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chore(autotune): record bulk-word-hash keep (1.67x, cumulative 4.57x)
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perf(tableau-sum): precompute per-row masks for phase_loss + pauli deltas

david-pl
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claude
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chore(autotune): plan precompute-masks approach
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chore(autotune): record precompute-masks keep (cumulative 4.75x)
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perf(tableau-sum): direct single-pass word_fingerprint (drop gather+gxhash)

david-pl
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claude
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Revert "perf(tableau-sum): direct single-pass word_fingerprint (drop gather+gxhash)"
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chore(autotune): plan direct-word-hash approach
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chore(autotune): record direct-word-hash discard
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perf(tableau-sum): direct-word column reads in pauli noise + virtual compare

david-pl
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claude
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chore(autotune): plan direct-column-read approach
david-pl
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chore(autotune): record direct-column-read keep (cumulative 5.04x)
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chore(autotune): record plateau analysis + incremental-fingerprint opportunity
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Commits on Jun 25, 2026

refactor(tableau-sum): type BranchMutation Pauli op as NotIdentity enum

david-pl
and
claude
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Commits on Jul 7, 2026

Merge branch 'main' into autotune/tableau-sum-build
Roger-luo
authored

Commits on Jul 8, 2026