EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Hacker News·Sep 2·5 min read
Embedded Rust RTOS vs. C RTOS
TL;DR
Embassy/Rust and FreeRTOS/C were compared on an STM32F446 microcontroller, focusing on interrupt latency, program size, RAM usage, and ease of programming. The results highlight the strengths and weaknesses of each approach in embedded systems development.
✦ Why It Matters
Consider using Embassy/Rust for safety-critical applications where memory management is crucial.
Key Takeaways
- Evaluate the trade-offs between performance and ease of use in embedded systems.
- Consider async Rust for better code maintainability in future projects.
- Measure interrupt latency to optimize real-time performance.
- Utilize static memory allocation to reduce runtime overhead.
How It Works
Embassy uses a cooperative multitasking model where tasks are statically allocated and managed without a dynamic memory allocator. This allows for efficient handling of asynchronous operations, such as responding to hardware interrupts, by utilizing a waker mechanism to signal when tasks should be polled again.