Subnormal floating-point numbers are expensive on Intel processors (lemire.me) | HN Screenshots

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Screenshot of lemire.me: Subnormal floating-point numbers are expensive on Intel processors

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Screenshot of lemire.me: How did AMD Ryzen get 50% faster in two years?

How did AMD Ryzen get 50% faster in two years?(lemire.me)

466 points by ibobev 1 month ago | 190 comments

Daniel Lemire blog post examining how AMD Ryzen processors became about 50% faster over two years.

amd-ryzen cpu-performance microarchitecture benchmarking

Screenshot of lemire.me: Ephemeral Testing

Ephemeral Testing (lemire.me)

71 points by ibobev 20 days ago | 25 comments

A blog post by Daniel Lemire on his blog titled "Ephemeral testing," a short essay about a software testing approach.

software-testing ephemeral-testing software-engineering daniel-lemire

Screenshot of lemire.me: Prefix sums at gigabytes per second with ARM NEON

Prefix sums at gigabytes per second with ARM NEON (lemire.me)

55 points by mfiguiere 7 months ago | 8 comments

Screenshot of lemire.me: Python sets and dictionaries can have quadratic-time performance

Python sets and dictionaries can have quadratic-time performance (lemire.me)

85 points by ibobev 1 month ago | 50 comments

Screenshot of lemire.me: We see something that works, and then we understand it

We see something that works, and then we understand it (lemire.me)

198 points by surprisetalk 5 months ago | 77 comments

Screenshot of lemire.me: Discover C++26's compile-time reflection

Discover C++26's compile-time reflection (lemire.me)

38 points by jandeboevrie 1 year ago | 20 comments