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nemo-mbridge-perf-hierarchical-context-parallel

Operational guide for enabling hierarchical context parallelism in Megatron-Bridge, including config knobs, code anchors, pitfalls, and verification.

skills/nemo-mbridge-perf-hierarchical-context-parallel/SKILL.md

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# Hierarchical Context Parallel Skill

This skill covers hierarchical context parallelism: nested context-parallel process
groups used by `cp_comm_type="a2a+p2p"` and configured with
`hierarchical_context_parallel_sizes`.

For what hierarchical CP is, when to use it, and the decision tree
(`a2a+p2p` vs pure `a2a` vs `p2p`), see:

- @docs/training/hierarchical-context-parallel.md
- @skills/nemo-mbridge-perf-hierarchical-context-parallel/card.yaml

## Enablement