EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Jul 24·5 min read
Watching Go's new garbage collector move through the heap
TL;DR
Go 1.26 has adopted the Green Tea garbage collector as its default, enhancing cache-friendliness and memory allocation efficiency. However, it struggles with reclaiming sparse pages due to its non-moving nature.
✦ Why It Matters
Consider testing your applications with Go 1.26 to evaluate the benefits of the Green Tea garbage collector.
Key Takeaways
- Upgrade to Go 1.26 to utilize the new Green Tea garbage collector.
- Test memory allocation patterns to observe performance improvements.
- Analyze cache behavior to understand the impact of GC changes.
- Consider the implications of increased cache misses on your applications.
How It Works
Green Tea optimizes memory allocation by grouping objects of similar sizes in contiguous memory spans, reducing random access during garbage collection. It employs a mark-and-sweep strategy that scans memory spans for objects and pointers, queuing future spans for scanning based on found pointers, rather than following every pointer immediately.