Milliseconds.dev

I rewrite popular code in .NET and benchmark the results ⚡ Open source. Real hardware. Real numbers. Contributions welcome 🤝 #dotnet #csharp #performance

Joined on May 30, 2026 https://milliseconds.dev/

Milliseconds.dev

Jun 9

intervaltree vs Augmented BST: Range Queries on 1 Million Intervals

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

Jun 8

Difflib vs DP LCS: 21x Speedup Rewiring Python's Diff Engine

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

Jun 7

dateutil vs DateTimeOffset: Parsing a Million Timestamps

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

Jun 6

qrcode vs QRCoder: Generating 50,000 QR Codes

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

Jun 5

mistune vs Markdig: Rendering 10,000 Markdown Documents

#dotnet #csharp #performance #benchmarks

2 min read

Milliseconds.dev

Jun 4

Whoosh vs Lucene.NET: Full-Text Search, Pure Managed Code

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

Jun 2

NLTK vs Compiled Regex: Tokenizing 100 MB of Text in .NET

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

May 31

pypdf vs PdfPig: Text Extraction at Scale

#dotnet #csharp #performance #benchmarks

2 min read

Milliseconds.dev

May 31

NetworkX vs CSR + TensorPrimitives: PageRank on 28M Edges

#dotnet #csharp #performance #benchmarks

3 min read

Milliseconds.dev

May 30

textdistance vs ArrayPool: Edit Distance Without the Allocations

#dotnet #csharp #performance #benchmarks

3 min read

DEV Community

Milliseconds.dev

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Writing Debut

intervaltree vs Augmented BST: Range Queries on 1 Million Intervals

Difflib vs DP LCS: 21x Speedup Rewiring Python's Diff Engine

dateutil vs DateTimeOffset: Parsing a Million Timestamps

qrcode vs QRCoder: Generating 50,000 QR Codes

mistune vs Markdig: Rendering 10,000 Markdown Documents

Whoosh vs Lucene.NET: Full-Text Search, Pure Managed Code

NLTK vs Compiled Regex: Tokenizing 100 MB of Text in .NET

pypdf vs PdfPig: Text Extraction at Scale

NetworkX vs CSR + TensorPrimitives: PageRank on 28M Edges

textdistance vs ArrayPool: Edit Distance Without the Allocations