What Daniel Lemire thinks about semiconductors

@daniel-lemire · 14 positions · On ppll ↗

Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.

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Only Daniel Lemire on semiconductors. See everyone on semiconductors

2 dated positions, 2026, in their own words. Our reading of what Daniel Lemire has said — not written or endorsed by them.

2 positions so far — this page is not yet offered to search engines.

1. 19 Sept 2026

   Our readingCPU performance keeps improving quickly rather than stagnating.

   Their wordsIn effect, what I am demonstrating is that CPUs are not boring. They are improving fast.

   ↗How did Apple Silicon get 50% faster in three years?lemire.me

2. 4 days earlier

3. 15 Sept 2026

   Our readingSubnormal floating-point numbers remain a real performance cost on Intel processors, but not on AMD or ARM processors.

   Their wordsThus it appears that on the latest AMD and ARM processors subnormals might not be a concern. But they remain very much a performance issue under Intel processors.

   ↗Subnormal floating-point numbers are expensive… on Intel processorslemire.me