.NET 11 Performance: One Louder, and Actually Faster
Performance Improvements in .NET 11
Microsoft's annual deep dive into .NET 11 performance improvements covers hundreds of optimizations across the JIT, runtime, and libraries. The post walks through micro-benchmarks showing real gains: devirtualization and inlining, bounds check elimination, allocation removal, lock elision, SIMD-accelerated copies, and more. It explains how profile-guided optimization and deabstraction let the JIT turn virtual calls into direct, inlinable code. The author frames the release as "one louder" than .NET 10, with compounding gains that are measurable and provable.
That’s how real performance work goes, accumulating gain after gain, each compounding on the last, until the whole thing is measurably, provably louder.