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KernelWiki

Blackwell and Hopper GPU kernel optimization knowledge base

Answers questions about optimizing NVIDIA Blackwell and Hopper GPU kernels, covering tcgen05, TMEM, NVFP4, FlashAttention-4, DeepGEMM, and fused MoE. Eliminates hours of digging through upstream PRs, papers, and blogs by providing pre-synthesized, cross-referenced wiki pages with verified code snippets. Lets engineers query by symptom, technique, hardware feature, or repository to find proven optimization patterns fast.
npx skills add mit-han-lab/KernelWiki --all -g -y
Available:

Tells the agent how to navigate the three-layer knowledge base using query scripts, page IDs, and cross-reference indices to answer Blackwell and Hopper kernel questions with cited sources.

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Frequently Asked Questions

FAQPage Schema
How to install KernelWiki?โ–ผ

Run `npx skills add mit-han-lab/KernelWiki --all -g -y` in your terminal to install the skill globally.

What is KernelWiki used for?โ–ผ

It is a structured knowledge base for optimizing NVIDIA Blackwell (SM100) and Hopper (SM90) GPU kernels, covering hardware features, techniques, and real kernel case studies like FlashAttention-4 and DeepGEMM.

How do I search the KernelWiki knowledge base?โ–ผ

Use the bundled scripts, for example `python3 scripts/query.py "warp specialization"` or `python3 scripts/get_page.py kernel-flash-attention-4`, to search by keyword, tag, architecture, or page ID.

Does KernelWiki include real code examples?โ–ผ

Yes. Every technique, kernel, and language page is validator-enforced to include at least a compilable code snippet, and performance claims cite their original source.

Can I use KernelWiki without GPU programming experience?โ–ผ

Yes. You can ask questions in plain English and your agent will query the wiki, follow cited sources, and return synthesized answers with confidence levels.

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