EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Aug 26·5 min read
Understanding Go's sync.Map from API to Hash Trie
TL;DR
Go's sync.Map has transitioned to a hash trie implementation in version 1.26, enhancing its concurrency handling capabilities. This change optimizes performance and memory usage for concurrent map operations.
✦ Why It Matters
Update your Go applications to utilize sync.Map for improved concurrency performance today.
Key Takeaways
- Use sync.Map for concurrent operations without external locks.
- Be aware of type assertions when retrieving values from sync.Map.
- Prefer standard maps with mutexes for simpler use cases.
- Measure memory usage when choosing between sync.Map and standard maps.
How It Works
sync.Map uses a hash trie to organize keys based on their hash values, allowing efficient lookups. Each node in the trie can have up to 16 children, optimizing performance for concurrent access.