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deepmind.google·6d ago
AI Engineering
Lobsters·Aug 2·5 min read
Faster floating point math with Rust’s new API
TL;DR
Rust 1.98 introduces a new API that allows developers to optimize floating point math more aggressively, improving performance while maintaining control over rounding errors.
✦ Why It Matters
Start using Rust 1.98's new API today to enhance the performance of your floating point calculations.
Key Takeaways
- Utilize Rust 1.98's new API for floating point math optimization.
- Implement pairwise summation for faster numeric calculations.
- Leverage algebraic operators to inform the compiler about optimization flexibility.
- Combine strict and lenient operations for speed and accuracy.
How It Works
Rust 1.98 introduces algebraic operators that allow the compiler to optimize floating point operations by changing the order of calculations. This flexibility enables the use of SIMD instructions, which can process multiple data points simultaneously, significantly speeding up operations like summation.