Optimize/x ref phase2#133

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gaow wants to merge 2 commits intomainfrom

optimize/x-ref-phase2

Commits on Mar 29, 2026

Optimize summary stats mode: cache XtX*beta to eliminate 3x redundant O(P^2) computation

gaow
and
claude
committed
Add X_ref parameter: accept reference panel genotype matrix instead of LD

gaow
and
claude
committed