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Stage-4: support refused PD subspace variation points (delta off / tied / sigmoid_type / identity gating)

kind:deferred-featureStage-4 deferred parity featureStage-4 deferred parity feature

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:model-data-configParity subsystem: model-data-configParity subsystem: model-data-config

Status: Open.

#729 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

keep_last pruning round-trips; downstream model artifact (model_<step>.pth) emitted only via offline export, not in-loop

kind:gapMissing production-path capabilityMissing production-path capability

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

push-2Push 2: port consumers to JAX (read runs natively)Push 2: port consumers to JAX (read runs natively)

subsystem:checkpoint-resumeParity subsystem: checkpoint-resumeParity subsystem: checkpoint-resume

wave-3Dependency tier 3Dependency tier 3

Status: Open.

#683 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Persistent source LR schedule (warmup_then_constant_lr) — partial, decay refused

kind:deferred-featureStage-4 deferred parity featureStage-4 deferred parity feature

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:train-step-optimParity subsystem: train-step-optimParity subsystem: train-step-optim

Status: Open.

#655 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Confirm PGDReconLayerwiseLoss fresh-PGD per-site path by line-by-line read

kind:testAdd a testAdd a test

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:adversaryParity subsystem: adversaryParity subsystem: adversary

Status: Open.

#618 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Generalize scope_needs_replica_sync beyond sc

kind:gapMissing production-path capabilityMissing production-path capability

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:adversaryParity subsystem: adversaryParity subsystem: adversary

Status: Open.

#615 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Persistent sigmoid source parameterization (Stage-4 deferred-feature)

kind:deferred-featureStage-4 deferred parity featureStage-4 deferred parity feature

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:adversaryParity subsystem: adversaryParity subsystem: adversary

Status: Open.

#614 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Sign SRC_STEP optimizer for persistent adversary (Stage-4 deferred-feature)

kind:deferred-featureStage-4 deferred parity featureStage-4 deferred parity feature

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:adversaryParity subsystem: adversaryParity subsystem: adversary

Status: Open.

#612 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Persistent nsc/bsc scopes (Stage-4 deferred-feature)

kind:deferred-featureStage-4 deferred parity featureStage-4 deferred parity feature

parityVPD JAX↔torch parity trackingVPD JAX↔torch parity tracking

stage-4Deferred full-parity feature (backlog; revisit later)Deferred full-parity feature (backlog; revisit later)

subsystem:adversaryParity subsystem: adversaryParity subsystem: adversary

Status: Open.

#611 In goodfire-ai/param-decomp;

· ocg-goodfire opened on Jun 16, 2026

Make submit_slurm generic over experiment type

Priority: InUImportant & not UrgentImportant & not Urgent

Status: Open.

Feature

#522 In goodfire-ai/param-decomp;

· danbraunai-goodfire opened on May 26, 2026

Add final residual stream to GlobalSharedTransformerCIFn

bugSomething isn't workingSomething isn't working

good first issueGood for newcomersGood for newcomers

Priority: nIUnot Important & Urgentnot Important & Urgent

Status: Open.

Bug

#477 In goodfire-ai/param-decomp;

· danbraunai-goodfire opened on Apr 23, 2026

Automatic registry

code-qualityimproving code quality/consistencyimproving code quality/consistency

featureNew feature or requestNew feature or request

Priority: nInUnot Important & not Urgentnot Important & not Urgent

Status: Open.

#278 In goodfire-ai/param-decomp;

· danbraunai opened on Nov 26, 2025

Investigate correlation between norm and frequency.

exp/investigationA research investigation or experimentA research investigation or experiment

Priority: nInUnot Important & not Urgentnot Important & not Urgent

Status: Open.

#266 In goodfire-ai/param-decomp;

· danbraunai opened on Nov 24, 2025