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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.

72

Quality

88%

Does it follow best practices?

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SecuritybySnyk

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SKILL.md
Quality
Evals
Security

Quality

Content

90%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is an efficient, executable operational guide with concrete config, validated code anchors, and runnable verification steps. Structure and progressive disclosure are strong, with only minor room to make the smoke-check checkpoints more explicit.

Suggestions

Make the manual smoke-check verification an explicit numbered sequence with a validate/re-run feedback loop (e.g., 1. launch, 2. grep logs for HIERARCHICAL_CONTEXT_PARALLEL_GROUPS, 3. if absent, fix config and relaunch).

Since @docs/... and @skills/.../card.yaml references resolve outside the local bundle, add a short note on where those paths live or co-locate the referenced card.yaml so navigation is self-contained.

DimensionReasoningScore

Conciseness

Lean and code-forward throughout: minimal config snippets, file:line code anchors, and short pitfall bullets, with no padding of concepts Claude already knows.

5 / 5

Actionability

Provides copy-paste-ready Bridge config overrides, exact constraints, and executable verification commands (pytest, torch.distributed.run with full flags) covering the common enablement and smoke-check cases.

5 / 5

Workflow Clarity

The enablement → verify flow is clearly sequenced with log-inspection checkpoints and explicit success criteria, but the manual smoke check leaves a couple of checkpoints implicit rather than fully enumerated.

4 / 5

Progressive Disclosure

Well-organized into Enablement, Code Anchors, Implementation Map, Pitfalls, and Verification with clearly signaled one-level references (@docs/..., @skills/.../card.yaml); no local bundle files exist, so structure is good but references point outside the bundle.

4 / 5

Total

18

/

20

Passed

Description

87%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is precise, action-oriented, and clearly distinguishes a niche topic with explicit when-to-use triggers. Minor gains are possible by enumerating the specific actions rather than naming capability categories.

DimensionReasoningScore

Specificity

Names the domain (hierarchical context parallelism in Megatron-Bridge) and enumerates several concrete capability areas — 'config knobs, code anchors, pitfalls, and verification' — but does not list each specific action, leaving minor coverage gaps.

4 / 5

Completeness

Explicitly states both what the skill does ('Operational guide for enabling hierarchical context parallelism') and when to use it ('Scaling context parallelism beyond KV heads, or investigating a commit that changed CP config and caused OOM or a regression') with concrete trigger phrases.

5 / 5

Trigger Term Quality

Includes natural trigger phrases a user would say ('OOM', 'regression', 'CP config') plus exact config knob names ('hierarchical_context_parallel_sizes', 'a2a+p2p'), though the terms are fairly niche and lack broader synonyms.

4 / 5

Distinctiveness Conflict Risk

Targets a clear niche (hierarchical CP in Megatron-Bridge) with distinct, specific triggers, making overlap with other skills minimal.

5 / 5

Total

18

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

referenced_paths_exist

Referenced path issues: 1 missing, 1 deeper-than-1-level

Warning

Total

15

/

16

Passed

Repository
NVIDIA/skills
Reviewed

Table of Contents

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