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Data & AI skills

Data analysis, machine learning, LLM apps, and prompt design (9.2K skills)

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Choose how to distribute tokens, the units a model processes, across MoE model experts during training. The guide compares alltoall, DeepEP, and HybridEP by GPU hardware, parallelism scale, memory needs, and optimization stage.

  • Choosing a MoE dispatcher for specific GPU hardware
  • Establishing an alltoall baseline for initial setup
  • Comparing DeepEP and HybridEP under matching conditions
NVIDIA/skills3.7KUpdated Oct 25, 2026

Improve MoE training throughput in Megatron Bridge. MoE models divide work among expert networks; this skill identifies memory, communication, and compute bottlenecks, guides controlled configuration comparisons, and validates speed alongside training health.

  • Investigate training slowdowns after code or configuration changes
  • Find memory, communication, and compute bottlenecks
  • Compare parallelism, precision, and dispatcher settings
NVIDIA/skills3.7KUpdated Oct 25, 2026

Guides hierarchical context parallelism in Megatron-Bridge, which splits input sequences across nested GPU groups. Covers configuration, implementation locations, constraints, and log checks to help enable the feature and investigate memory errors or performance regressions.

  • Configure hierarchical context parallelism
  • Scale context parallelism beyond KV head counts
  • Investigate memory errors after configuration changes
NVIDIA/skills3.7KUpdated Oct 25, 2026

Guide repeated NeMo-RL or NeMo-gym experiments to test hypotheses and improve training settings. Establish a baseline, compare relevant metrics, and preserve reproducible records in git and TSV logs while keeping users involved in launch decisions.

  • Testing hypotheses about training settings
  • Comparing accuracy, reward, or throughput
  • Recording reproducible experiment histories
NVIDIA/skills3.7KUpdated Oct 25, 2026

Plan and troubleshoot Nemotron retrieval recipes for embeddings, which turn text into searchable vectors, and reranking, which reorders search results. Review configurations, prepare training and evaluation commands, and check export or deployment requirements.

  • Choosing training steps for missing relevant documents
  • Improving the ordering of retrieved passages
  • Reviewing training commands with a dry run
NVIDIA/skills3.7KUpdated Oct 25, 2026

Configure CPU offloading in Megatron Bridge to reduce GPU memory use by moving intermediate training data or optimizer states to CPU memory. Check compatibility, adjust the offloaded fraction, and investigate memory errors or slowdowns.

  • Reduce GPU memory use during model training
  • Tune how much optimizer state moves to CPU memory
  • Check compatibility with parallelism and CUDA graphs
NVIDIA/skills3.7KUpdated Oct 25, 2026

Helps configure training across multiple GPUs or machines in NeMo AutoModel. Guides strategy selection, YAML settings, and parallelism choices that split model computation or data, with constraints for large models, long sequences, and expert models.

  • Choosing a strategy for multi-GPU training
  • Configuring parallelism for large models
  • Splitting long input sequences across GPUs
NVIDIA/skills3.7KUpdated Oct 25, 2026

Choose how to split large-model training across GPUs in Megatron Bridge. This guide helps combine parallelism methods, estimate GPU requirements, match settings to hardware connections, and check memory use and performance after configuration changes.

  • Choosing parallelism settings for a model and GPU count
  • Estimating GPU requirements for MoE models
  • Adjusting parallelism for long input sequences
NVIDIA/skills3.7KUpdated Oct 25, 2026

Helps tune activation recomputation in Megatron Bridge, recalculating intermediate training values to reduce GPU memory use. Guides selective or full-layer settings, checks compatibility, and compares memory peaks with training speed to assess whether a configuration completes training steps.

  • Investigate training failures caused by activation memory
  • Choose recomputation targets for attention or MoE models
  • Compare GPU memory savings against training speed
NVIDIA/skills3.7KUpdated Oct 25, 2026

Create and modify NeMo AutoModel training and evaluation recipes. Get guidance on YAML configuration, functions that build training components, execution flow, validation, and checkpoint saving and resuming, with minimal examples and local checks.

  • Create a new fine-tuning recipe
  • Add or change YAML configuration fields
  • Configure validation, checkpoint saving, and resuming
NVIDIA/skills3.7KUpdated Oct 25, 2026

Search documents through NeMo Retriever MCP and use retrieved passages to support answers. Add missing documents when server access is confirmed, then search them while preserving available document identifiers and page numbers for citations.

  • Finding evidence in indexed documents
  • Adding missing documents and searching their contents
  • Preparing answers with document identifiers and page references
NVIDIA/skills3.7KUpdated Oct 25, 2026

Plan long-sequence training for MoE models, which divide work among expert networks, in Megatron Bridge. Use experiment-based guidance to balance parallelism, selective recalculation, and routing choices when investigating memory shortages or reduced training throughput.

  • Planning long-sequence MoE training configurations
  • Investigating memory shortages during long-context training
  • Reviewing throughput drops after a code change
NVIDIA/skills3.7KUpdated Oct 25, 2026

Configure and validate communication overlap in Megatron-Bridge for MoE models, which distribute work among expert networks. Check compatibility, compare training speed, and investigate regressions across standard dispatch, DeepEP, HybridEP, and delayed weight-gradient computation.

  • Enable expert communication overlap in MoE training
  • Check compatibility before using DeepEP or HybridEP
  • Compare plain overlap and delayed weight-gradient computation
NVIDIA/skills3.7KUpdated Oct 25, 2026

Run training with mock or real data in Megatron-LM and Megatron Bridge, match their settings, and compare loss curves, which show training error over time. Includes recipes and multi-GPU examples for checking training behavior.

  • Compare Megatron-LM and Bridge loss curves
  • Translate MLM command-line arguments into Bridge settings
  • Check training on multiple GPUs
NVIDIA/skills3.7KUpdated Oct 25, 2026

Configure Megatron-Bridge to overlap communication with computation during distributed training. Review settings for tensor, data, and pipeline parallelism, check activation requirements, and use included tests to investigate configuration issues or throughput regressions.

  • Enable communication overlap in distributed training
  • Check why tensor parallel overlap is inactive
  • Investigate slower training after configuration changes
NVIDIA/skills3.7KUpdated Oct 25, 2026

nemo-retriever

FreeSummary

Search document collections with the NeMo Retriever CLI. Ingest files into a local search index or use a deployed service, then retrieve evidence for questions across PDFs, Office files, images, audio, and video.

  • Find evidence across internal documents
  • Build a local search index from files
  • Query an existing Retriever service
NVIDIA/skills3.7KUpdated Oct 25, 2026

Configure NeMo AutoModel training launches on a local node, a Slurm cluster scheduler, or cloud resources through SkyPilot. Prepare launch settings for GPUs, containers, environment variables, multi-node communication, and optional performance profiling.

  • Switching between local and cluster training launches
  • Configuring a multi-node Slurm training job
  • Preparing SkyPilot spot jobs with checkpoint recovery
NVIDIA/skills3.7KUpdated Oct 25, 2026

Enable Megatron FSDP in Megatron-Bridge to distribute model training state across GPUs. Follow configuration and checkpoint requirements, investigate memory failures or performance regressions, and verify the setup with an existing two-GPU functional test.

  • Switch from DDP to Megatron FSDP
  • Investigate memory failures after FSDP configuration changes
  • Check checkpoint formats and incompatible settings
NVIDIA/skills3.7KUpdated Oct 25, 2026

Launch distributed Megatron-LM training on a SLURM cluster with guidance on job scripts, environment variables, GPU settings, and containers. Monitor jobs and investigate failures across worker processes to identify the initial cause.

  • Write an sbatch script for distributed training
  • Configure training across multiple GPU nodes
  • Check CUDA settings for the parallelism mode
NVIDIA/skills3.7KUpdated Oct 25, 2026

Choose software for serving language or vision-language models on NVIDIA Jetson using a current memory audit. Get specific launch flags for memory limits, context length, and concurrency to address memory shortages or compare lower-memory alternatives.

  • Choosing serving software for a Jetson memory budget
  • Adjusting vLLM flags after out-of-memory errors
  • Considering a switch from vLLM to llama.cpp
NVIDIA/skills3.7KUpdated Oct 25, 2026

Measure language model response times and generation speed on Jetson using wrappers for vLLM, llama.cpp, or Ollama. Produces structured JSON results to assess models, power modes, runtime settings, and performance changes after tuning.

  • Measure response times for a deployed model
  • Compare performance before and after tuning
  • Evaluate models and power modes under controlled conditions
NVIDIA/skills3.7KUpdated Oct 25, 2026

Configure speculative decoding on Jetson vLLM servers, letting a smaller model propose tokens for the main model to verify. Adjust memory allocation and benchmark before and after to assess generation speed under low concurrency.

  • Reducing slow token generation on Thor or AGX Orin
  • Choosing EAGLE-3 or a small draft model
  • Comparing generation speed before and after configuration
NVIDIA/skills3.7KUpdated Oct 25, 2026

Train and evaluate robot policies, the models that choose actions, using RSL-RL or RLinf in healthcare simulations. Export trained artifacts and check that they work through the normal Workflow runner.

  • Train an ultrasound probe reach policy
  • Post-train a Trocar policy from a local GR00T checkpoint
  • Evaluate and export an existing training checkpoint
NVIDIA/skills3.7KUpdated Oct 25, 2026

jetson-llm-serve

FreeSummary

Provides instructions for serving language and vision-language models on Jetson with vLLM or SGLang. Selects a runtime for the device and JetPack version, supplies launch commands, and explains how to verify the OpenAI-compatible API.

  • Starting a language-model API on Jetson
  • Connecting Open WebUI or an app to a model server
  • Serving a vision-language model with vLLM
NVIDIA/skills3.7KUpdated Oct 25, 2026