What have the architects ever done for us?
summary
Describes evolving an instruction set by building a functional simulator in Go that implements a decode-execute loop via closures so each instruction exposes a uniform execute interface; gathers contiguous instructions into basic-block slices and ranges over them; achieves roughly 25–50× slower than native yet remains readable and extendable; simulating SIMD forces use of reflect and unsafe (non‑idiomatic) hacks; praises Go’s runtime, tooling, stdlib and dependency‑free deployment.
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