"How I Cut My Go Markdown Linter's Benchmark by 81%"
The article discusses the optimization of gomarklint, a Go-based Markdown linter. The author shares insights on the benchmarking process and the architectural changes that led to an 81% reduction in performance costs. Key improvements included the introduction of a shared utility for code block detection and a reliable benchmarking method.
- ▪Gomarklint is an open-source CLI Markdown linter built in Go, designed to avoid the need for Node.js.
- ▪The linter processes over 100,000 lines in under 170ms, with a typical 200-line README linting in under 0.2ms.
- ▪The optimization process involved 20 pull requests over three weeks, focusing on improving the efficiency of rule execution.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/_402ccbd6e5cb02871506/how-i-cut-my-go-markdown-linters-benchmark-by-81-4ain |
| Publication time | Tue, 26 May 2026 13:00:00 +0000 |
| Retrieval time | 2026-05-26T13:07:49.469Z |
| Last seen | 2026-05-26T13:07:49.469Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | MqHWVJYs93X6 |
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| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3422958) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Kazu Posted on May 26 "How I Cut My Go Markdown Linter's Benchmark by 81%" #go #performance #opensource #programming When I started optimizing gomarklint, I had no benchmarks. I had unit tests. I had coverage. But I had no idea what the linter actually cost to run on a real document. Here's what I found, what I changed, and what I'd do differently next time. What is gomarklint? gomarklint is a Go-based CLI Markdown linter I've been building as an open-source project.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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