EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·20d ago·5 min read
AMD's random number generator can't generate a 0?
TL;DR
A potential bug in AMD processors, particularly Zen2, prevents their random number generator from producing a zero. In contrast, Intel processors generate zeros without issue.
✦ Why It Matters
Test your applications on AMD processors to ensure they handle random number generation correctly.
Key Takeaways
- Investigate RNG behavior on AMD processors in your applications.
- Use the provided application to test for zero generation.
- Benchmark RNG performance across different CPU models.
- Consider potential implications for cryptographic applications.
How It Works
The random number generation process involves using specific CPU instructions like RDRAND and RDSEED, which are designed to produce random values. The programmer's application visualizes the output of these instructions, allowing users to see how often zero is generated compared to other numbers.