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AI pair-programming became useful when every idea met a benchmark

This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.

The most confident optimization suggestions were not always the useful ones. An 8 by 8 register block sounded better than 4 by 4 because it offered more reuse. It ran slower. Packed f16 storage sounded additive with tiling. It was not. A vectorized kernel won its standalone benchmark and initially…

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  1. 2026-09-18 04:30 · DEV Community — AI
    AI pair-programming became useful when every idea met a benchmark

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