kindlings-runtime-perf

You can optimize macro-derived type class instances by enabling compile-time config evaluation with semiEval and applying inline encoding patterns to minimize allocations and maximize inlining across derivation modules.

Runtime bottlenecks in macro-generated codecs often stem from per-field runtime checks and primitive boxing; applying typed local variables via ValDefs and inline collection loops removes these indirections and lambda allocations.

The best way to reduce allocations during codegen is implementing SENTINEL loop patterns and position-based access for structured formats, which removes runtime helpers and avoids string key lookups during decode calls.

Yes, these optimization patterns require a Scala and Hearth-based derivation workflow to function, relying on benchmarks referenced in performance regression analysis documentation to validate the actual speed gains.

Yes, applying inline encoding and decoding patterns for built-in types minimizes indirection within macro-derived codecs, while caching expensive computations at instance scope avoids repetition during each encode and decode call.