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Plenary: Performance Matters - Emery Berger - CppCon 2020

CppCon · talk · Watch on YouTube

Software performance & optimizationC, C++, Rust, Go & systems languages

What it is

Emery Berger's CppCon 2020 plenary on why performance is hard on modern hardware after the end of Dennard scaling. It covers benchmarking pitfalls and introduces new profiling tools for finding real bottlenecks.

Why Hacker News recommends it

Recommended for treating benchmarking and profiling scientifically rather than by myth, with innovative tools.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2021, last 2022

What HN commenters said

  1. “covers the basics of how to attempt benchmarking with actual computer science instead of myth and voodoo rituals”

    Benchmarking with computer science rather than myth

    jiggawatts, 2021-06 · Recommendation · in “Beware of Tight Feedback Loops (2020)”

  2. “He introduces some innovative new profiling tools for this sort of analysis.”

    Innovative profiling tools for finding bottlenecks

    captaincrowbar, 2022-01 · Recommendation · in “Finding your home in game graphics programming”

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

Topics: benchmarking, profiling, c++, performance, causal profiling

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