feat(metrics): add WelfordVariance and WelfordCovariance helpers (PR 1 of #3748)#3750

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joemunene-by wants to merge 10 commits into

pytorch:masterfrom

joemunene-by:feat/welford-running-stats-helper

Commits on May 11, 2026

feat(metrics): add WelfordVariance and WelfordCovariance helpers
joemunene-by
committed
review: drop device/dtype handling, switch to dataclass, no flatten
joemunene-by
committed

Commits on May 13, 2026

review: collapse update into merge, inline _zero, expand merge docstring
joemunene-by
committed

Commits on May 14, 2026

review: address Copilot pass — docstring drift, no_grad on merge, inlined cross-coef
joemunene-by
committed

Commits on May 15, 2026

review: trim docstrings, function-style tests, prefix-step numpy check
joemunene-by
committed

Commits on May 23, 2026

review: simpler all_gather pattern in module docstring
joemunene-by
committed

Commits on May 27, 2026

review: trim verbose docstring on covariance no-clamp rationale
joemunene-by
committed

Commits on Jun 5, 2026

Merge branch 'master' into feat/welford-running-stats-helper
aaishwarymishra
authored

Commits on Jun 19, 2026