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nemo-mbridge-perf-moe-comm-overlap

MoE expert-parallel communication overlap in Megatron Bridge. Covers dispatch/combine overlap, flex dispatcher backends, and expert wgrad scheduling.

skills/nemo-mbridge-perf-moe-comm-overlap/SKILL.md

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# MoE Communication Overlap

For the higher-level overview, see:

- @docs/training/communication-overlap.md
- @skills/nemo-mbridge-perf-moe-comm-overlap/card.yaml

## Quick Decision

Use MoE communication overlap when:

- `EP > 1`
- token dispatch or combine time is visible in the profile
- the run is already correct and you are now tuning throughput