This makes the assumption that the only characters in the string are "s" and "p"... | Hacker News

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		smarnach on July 7, 2023 \| parent \| context \| favorite \| on: {n} times faster than C This makes the assumption that the only characters in the string are "s" and "p". There is no basis for this assumption. I think this code solves a different problem rather than being an optimisation of the original code.

utopcell on July 7, 2023 [–]

The string can only contain 's' or 'p' if you examine how it is constructed in bench.c, and taking that into consideration yields another ~2x speedup.

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