EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·29d ago·5 min read
Being lazy in C++
TL;DR
Lazy initialization in C++ allows developers to delay the setup of resources until they are actually needed, optimizing performance. This technique can lead to more efficient memory usage and faster application startup times.
✦ Why It Matters
Implement lazy initialization in your C++ projects to enhance performance and resource management.
Key Takeaways
- Use Lazy to delay computation until needed in C++.
- Avoid unnecessary evaluations with std::optional by using Lazy.
- Apply Lazy to other functions like std::map::try_emplace.
- Be aware that Lazy does not support memoization.
How It Works
The Lazy structure allows for deferred execution of a function by wrapping it in a callable object. When used with std::optional's value_or, it prevents immediate evaluation of the function, ensuring that the computation only occurs if the optional does not contain a value.