EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Jul 27·5 min read
Zstandard Worked Example (2022)
TL;DR
Zstandard (Zstd) is a modern compression algorithm that outperforms Zlib in both speed and compression ratio. This blog post dissects a zst file to provide a detailed worked example of its file format.
✦ Why It Matters
Explore Zstandard's file format to enhance your data compression strategies today.
Key Takeaways
- Consider using Zstandard for better compression ratios than Zlib.
- Study the encoding process to understand how literals and matches work.
- Utilize the open-source reference implementation for practical applications.
- Analyze the provided example to grasp the bit-level operations in compression.
How It Works
Zstandard compresses data by categorizing input bytes into literals (explicitly stated bytes) and matches (references to previously emitted bytes). It encodes these into sequences, where each sequence specifies how many bytes to emit and from where to copy.
This method allows for efficient storage and retrieval of data, significantly reducing file sizes while maintaining speed.