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THE VIDEO SHELF · software performance

Simple Code, High Performance

Casey Muratori's University of Twente guest lecture is a case study in how straightforward code can cut thousands of lines and tens of seconds of runtime down to a few dozen lines running in under a second. It uses concrete examples to show why software is often an order of magnitude slower than it should be.

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Why HN readers recommended it

HN people recommend it to anyone wanting a practical sense of what CPUs can really do and why abstraction layers cost so much performance.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Molly Rocket
Topic
software performance
Format
lecture
Level
intermediate
HN recommenders in dataset
6
HN mentions in dataset
10
Recommendation years in dataset
2021–2025

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • > Speak for yourself; most phones I see still take 2+ seconds to open some apps. Why is that though? I've written code since the 8 bit days of BBC micros and ZX Spectrums. Casey Muratori's (who has been on here a lot lately) talk …

    DrBazza on Hacker News · 2021-11
    In An Epic future for SPJ

  • The timing of this is great! I just watched Casey Muratori's lecture, "Simple Code, High Performance"[1] and its follow-up videos[2, 3]. I highly recommend watching it. It is about Software Optimization, and gives practical and high-level understanding of topics like CPU Architecture, SIMD etc. [1] …

    mrv_asura on Hacker News · 2022-03
    In Algorithms for Modern Hardware

  • Thank you for the detailed explanation! It sounds like programming computers back then would have been a joy. Casey Muratori's talks[0] on performance and optimization sparked an interest in me to start putting thought into what the CPU actually does (which wasn't taught when I …

    Pr0ject217 on Hacker News · 2022-12
    In What we can learn from vintage computing

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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