THE VIDEO SHELF · modern cpu architecture and performance
A Crash Course in Modern Hardware by Cliff Click
Cliff Click walks through a small performance example on a modern out-of-order CPU. He covers pipelining, ILP, CISC vs RISC, multicore, and why cache misses and the memory subsystem dominate performance.
Why HN readers recommended it
Recommended as an accessible refresher on how modern hardware and caches affect software performance.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Devoxx
- Topic
- modern cpu architecture and performance
- Format
- talk
- Level
- intermediate
- HN recommenders in dataset
- 3
- HN mentions in dataset
- 6
- Recommendation years in dataset
- 2017–2025
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.
Coincidentally, I just watched this last night: it's a really accessible refresher if you're a bit outdated on how all these caches work and interact: [VIDEO]
zellyn on Hacker News · 2017-03
In Cold, Hard Cache – Insomniac Games’ Cache Simulator [slides]I'm also a fan of Cliff and other Rice alumni; here are a few of his videos that I like. [0] The Sea of Nodes and the HotSpot JIT [1] A JVM Does That? [2] A Crash Course in Modern Hardware [3] Bits of Advice …
tjalfi on Hacker News · 2021-06
In Intel to disable TSX by default on more CPUs with new microcodeThis was a good attempt but flawed. 1. You should use JMH to handle warmup, jit, timings, averaging of runs, etc. You might enjoy the following talks on the subject, though I am sure there are other gems out there. - Performance Anxiety: [LINK] - …
NovaX on Hacker News · 2025-03
In Microbenchmarks: HashMap, ConcurrentHashMap, and Guava Caches
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.