Fast Forward: Speeding up Delegate Methods
summary
Shows how delegate methods plus knowledge of Ruby method call internals and inline caches let you replace generic forwarding with specialized fast paths that eliminate most call overhead. Includes concrete code patterns, a small macro-style generator that builds those fast paths, and microbenchmarks demonstrating roughly 2–6x speedups on tight delegate loops. Includes failure cases where polymorphism prevents optimization and how to detect them.
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