Metaprogramming for the masses
summary
Shows how to coax the .NET JIT into emitting faster code by using struct strategy types (value-type generics that let the JIT delete dead branches and avoid allocations), a practical code pruning unrolling pattern that removes bounds checks and gives near-manual unroll performance, and swapping an interface-backed matrix for an interface→struct storage swap to recover a ~4x cost. Includes working C# examples, emitted assembly notes, and a repo of experimental allocators.
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chapters (9)
- 0:00Introduction to Metaprogramming
- 1:33Metaprogramming in C#
- 4:26Performance vs. Maintainability
- 7:51Structs and Constants
- 13:26Recursive Structural Types
- 23:45High Performance Techniques
- 29:45Loop Unrolling
- 40:30Interface De-virtualization
- 51:13Conclusion and Q&A
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