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nvshmem-collect-performance-data

Collect and package NVSHMEM put/get bandwidth, latency, and other perftest results with system and topology evidence for performance sanity checks.

skills/nvshmem-collect-performance-data/SKILL.md

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# NVSHMEM Performance Data Collection

## Purpose

Collect reproducible NVSHMEM performance evidence, with the four device put/get bandwidth and latency tests as the recommended sanity suite. Preserve the system, topology, placement, initialization, transport, commands, raw output, and tuning configuration in a portable Markdown report without inventing system-specific acceptance thresholds.

## Requirements

- Use an allocated compute node with the target GPUs visible; never collect evidence or run benchmarks on a login node.
- Make the target NVSHMEM installation, selected perftest executable, and a known-good launcher/bootstrap path available. Direct target access is optional when a user can run the staged commands and return their complete output.
- Provide a writable output parent directory for the artifact package. The bundled collector itself is read-only and writes only to stdout.
- Require no API keys, privileged access, package installation, or system-configuration changes.

## Inputs