[mypyc] Add a primitive for bytes "translate" method#20305
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p-sawicki
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Nov 27, 2025
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This only supports one-argument calls. In a microbenchmark the performance was significantly better for small inputs. It was also slightly better for long inputs, but only after I added a loop unrolling hint (on Apple Silicon and AMD + Linux).
I relied on LLM assist as another experiment, but did it in small increments with detailed instructions.