I don't know how CPUs work so I simulated one in code (2019) (djharper.dev) | HN Screenshots

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Screenshot of djharper.dev: I don't know how CPUs work so I simulated one in code (2019)

First screen, captured 2 years ago.

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Screenshot of cyberdemon.org: How does Linux handle writes?

How does Linux handle writes?(cyberdemon.org)

127 points by dmazin 3 years ago | 74 comments

Screenshot of pkolaczk.github.io: A single line of code made a 24-core server slower than a laptop (2021)

A single line of code made a 24-core server slower than a laptop (2021)(pkolaczk.github.io)

456 points by xk3 3 years ago | 138 comments

Blog post by Piotr Kołaczkowski explaining how one line of code caused a parallel program to run slower on a 24-core server than on a 4-core laptop.

rust performance multithreading cache-coherence

Screenshot of prawns.dev: Why Your CPU Is Fast but Your Program Is Slow: Understanding the Memory Wall

Why Your CPU Is Fast but Your Program Is Slow: Understanding the Memory Wall (prawns.dev)

21 points by prawns_1205 4 months ago | 5 comments

Screenshot of danielchasehooper.com: I made a real-time C/C++/Rust build visualizer

I made a real-time C/C++/Rust build visualizer (danielchasehooper.com)

155 points by dhooper 1 year ago | 44 comments

Screenshot of jonasdevlieghere.com: Adopting the Parallel DWARF linker in dsymutil

Adopting the Parallel DWARF linker in dsymutil (jonasdevlieghere.com)

21 points by JDevlieghere 4 months ago | 6 comments

Screenshot of bullno1.com: JIT-ing a stack machine (with SLJIT)

JIT-ing a stack machine (with SLJIT)(bullno1.com)

28 points by bullno1 1 year ago | 5 comments