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Abseil's Open Source Hashtables: 2 Years In - Matt Kulukundis - CppCon 2019

CppCon · talk · Watch on YouTube

Algorithms & data structuresC, C++, Rust, Go & systems languagesSoftware performance & optimization

What it is

Matt Kulukundis reviews two years of Abseil's Swiss table hashtable, covering post-release optimizations, lessons from rolling it out across Google, design choices, and what global monitoring revealed.

Why Hacker News recommends it

HN points to it as the authoritative talk on Swiss tables, their design rationale, and real-world effects like Hyrum's law.

  • 1 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2021, last 2026

What HN commenters said

  1. “it's a good way to illustrate”

    Swiss tables talk illustrating Hyrum's law in practice at Google

    tialaramex, 2021-06 · Recommendation · in “Malloc broke Serenity's JPGLoader, or: how to win the lottery”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: hash tables, abseil, c++, performance, hyrum's law

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