Software Performance & Optimization Videos Hacker News Recommends
Software performance & optimization videos on HackerTube: the talks, lectures and explainers Hacker News commenters keep sharing, covering profiling, benchmarks, cache efficiency, software bloat, latency, low-level optimization, SIMD, Casey Muratori, Handmade Hero, why software is slow.
115 videos · ranked by HN recommendations · showing 1–48
Most recommended software performance & optimization videos
The ones HN returns to most often when a thread turns to this topic.
talk#7How Python was Shaped by leaky Internals, Armin Ronacher, Flask framework
Видео с мероприятий {speach!
“This excellent talk describes how the semantics of the "add" operation are much more complex than generally described.”
15 HN recommenders · 2017–2025
talk#41CppCon 2015: Andrei Alexandrescu “std::allocator...”
CppCon
“It really opened my eyes to how one could very elegantly make a very complex and high-performance heap allocator”
7 HN recommenders · 2017–2025
talk#97Preventing the Collapse of Civilization / Jonathan Blow (Thekla, Inc)
DevGAMM
“Anyone who finds this concept interesting to think about and hasn't seen this video may enjoy it”
14 HN recommenders · 2020–2025
talk#102"Performance Matters" by Emery Berger
Strange Loop Conference
“this is the most amazing optimisation information I have seen”
12 HN recommenders · 2019–2025
talk#123The Thirty Million Line Problem
Molly Rocket
“The video is long, but it's worth watching all of it.”
11 HN recommenders · 2018–2024
talk#124CppCon 2017: Matt Kulukundis “Designing a Fast, Efficient, Cache-friendly Hash Table, Step by Step”
CppCon
“Excellent talk which explains the concepts really clearly and concisely.”
9 HN recommenders · 2018–2026
talk#140Erlang Factory 2014 - That's 'Billion' with a 'B': Scaling to the Next Level at WhatsApp
Erlang Solutions
“watch this talk and imagine trying to recreate that system with only a handful of server engineers”
6 HN recommenders · 2014–2022
interview#148How Crash Bandicoot Hacked The Original Playstation | War Stories | Ars Technica
Ars Technica
“Immensely interesting video!”
13 HN recommenders · 2020–2026
talk#166"How NOT to Measure Latency" by Gil Tene
Strange Loop Conference
“This a life changing video by Gil Tene on this topic.”
9 HN recommenders · 2015–2026
lecture#194Refterm Lecture Part 1 - Philosophies of Optimization
Molly Rocket
“The video on Philosophies of Optimisation is a good primer on the tenets of the course.”
10 HN recommenders · 2021–2026
talk#196CppCon 2014: Mike Acton "Data-Oriented Design and C++"
CppCon
“one of the most digestible ways to start thinking about performance in high throughput systems”
9 HN recommenders · 2015–2026
talk#292Jonathan Blow - Preventing the Collapse of Civilization (English only)
bus
“Very much worth watching in its entirety and thinking about”
11 HN recommenders · 2019–2023
talk#334Casey Muratori – The Big OOPs: Anatomy of a Thirty-five-year Mistake – BSC 2025
Better Software Conference
“which really is hunting back and back for the cosmogenesis of objects, and covers so much terrain.”
11 HN recommenders · 2025–2026
talk#362CppCon 2014: Chandler Carruth "Efficiency with Algorithms, Performance with Data Structures"
CppCon
“I'm also a big fan of "Efficiency with Algorithms, Performance with Data Structures" by Chandler Carruth at CppCon 2014.”
7 HN recommenders · 2014–2024
demo#364[EPILEPSY WARNING] How fast should an unoptimized terminal run?
Molly Rocket
“Casey spent <1 week making RefTerm, a skeleton proto-terminal with the same constraints Microsoft people had”
6 HN recommenders · 2021–2026
explainer#376FIXING the ENTIRE SM64 Source Code (INSANE N64 performance)
Kaze Emanuar
“amazing video about refactoring Mario 64 to reach 30 FPS and render 6x faster on N64”
7 HN recommenders · 2022–2025
lecture#396Simple Code, High Performance
Molly Rocket
“I highly recommend watching it.”
6 HN recommenders · 2021–2025
talk#423CppCon 2019: Chandler Carruth “There Are No Zero-cost Abstractions”
CppCon
“Chandler presents his point clearly and goes deep enough into the subject.”
7 HN recommenders · 2020–2026
talk#454C++ and Beyond 2012: Herb Sutter - atomic Weapons 1 of 2
alexsmail
“which are extremely good”
4 HN recommenders · 2020–2024
talk#458Sorting Algorithms: Speed Is Found In The Minds of People - Andrei Alexandrescu - CppCon 2019
CppCon
“At first he is just showing simple stuff, but stay with it, he goes deep.”
7 HN recommenders · 2019–2024
talk#486Jake Archibald on the web browser event loop, setTimeout, micro tasks, requestAnimationFrame, ...
JSConf
“actually making it both entertaining and easily grokable!”
7 HN recommenders · 2018–2023
talk#633Advanced Topics in Programming Languages: A Lock-Free Hash Table
GoogleTalksArchive
“I highly recommend this talk by Cliff Click about building highly scalable hash tables via Compare And Swap”
4 HN recommenders · 2013–2024
talk#641CppCon 2017: Carl Cook “When a Microsecond Is an Eternity: High Performance Trading Systems in C++”
CppCon
“Here are some talks that will give you a small overview into that world”
5 HN recommenders · 2017–2025
talk#707"Outperforming Imperative with Pure Functional Languages" by Richard Feldman
Strange Loop Conference
“As a starting point for those nitty grittys, this talk is probably as good as any”
6 HN recommenders · 2021–2025
talk#718Zach Tellman - Everything Will Flow
ClojureTV
“He talks about queues and how they break down under load.”
4 HN recommenders · 2015–2022
talk#750Cliff Click @ VMSS16: Bits of Advice For the VM Writer
softdevteamuk
“I strongly recommend following and listening to videos by Cliff Click who wrote HotSpot and worked on Azul and other VMs.”
2 HN recommenders · 2017–2021
talk#764Larry Hastings - Removing Python's GIL: The Gilectomy - PyCon 2016
PyCon 2016
“I think Larry Hasting's first Gilectomy talk was extremely insightful”
5 HN recommenders · 2016–2023
talk#892Andrew Kelley: A Practical Guide to Applying Data Oriented Design (DoD)
ChimiChanga
“A good introduction to SoA (for anyone curious) are the two most famous Data-Oriented Design talks”
4 HN recommenders · 2024–2026
commentary#973"Clean" Code, Horrible Performance
Molly Rocket
“Look at Casey Murrey's Clean Code horrible performance youtube video”
3 HN recommenders · 2023–2026
talk#1008Progressive Performance (Chrome Dev Summit 2016)
Chrome for Developers
“Take a look at this talk on why mobile devices are so much slower than desktop devices”
4 HN recommenders · 2016–2018
talk#1017"Performance (Really) Matters" with Emery Berger
Association for Computing Machinery (ACM)
“I highly recommend it. It's mind blowing, but also terrifying”
3 HN recommenders · 2022–2026
talk#1076Understanding the Python GIL
David Beazley
“My favorite example is Beazley's GIL talk”
4 HN recommenders · 2013–2023
talk#1117C++ Exceptions for Smaller Firmware - Khalil Estell - CppCon 2024
CppCon
“In particular, his 2019 presentation [2] describes different error handling techniques”
5 HN recommenders · 2025–2026
explainer#1183How is this Website so fast!?
Wes Bos
“Here is Wes Bos taking a deeper dive into the intricacies of technologies used to accomplish this”
4 HN recommenders · 2024–2025
talk#1204Halide Talk
Andrew Adams
“The best way to understand it is probably to watch the video, which is relatively long but explains things clearly”
5 HN recommenders · 2014–2021
demo#1224Refterm v2 - Resource usage, binary splat, glyph sizing, and more
Molly Rocket
“Casey Muratori produced a highly correct Unicode renderer with correct VT code support. Watch the video”
3 HN recommenders · 2021–2025
talk#1385CppCon 2016: Nicholas Ormrod “The strange details of std::string at Facebook"
CppCon
“it's still definitely worth a watch”
4 HN recommenders · 2018–2026
demo#1429Shouting in the Datacenter
Bryan Cantrill
“this entertaining YouTube video from 2009, in which someone demonstrates the effect by literally shouting at a rack of servers”
4 HN recommenders · 2011–2026
talk#1452CppCon 2016: Chandler Carruth “Garbage In, Garbage Out: Arguing about Undefined Behavior..."
CppCon
“Chandler Carruth's talk on the subject was really useful for my own understanding of the reasoning behind UB”
4 HN recommenders · 2016–2026
talk#1476CppCon 2017: Chandler Carruth “Going Nowhere Faster”
CppCon
“The best presentation I've seen about CPU performance related to pipelining, branch prediction, and speculative execution”
2 HN recommenders · 2017–2026
talk#1500Stephan T. Lavavej “Floating-Point <charconv>: Making Your Code 10x Faster With C++17's Final Boss”
CppCon
“Stephan T Lavavej also had a surprisingly fun and approachable talk on that problem”
3 HN recommenders · 2020–2022
tutorial#1571Handmade Hero Day 001 - Setting Up the Windows Build
Molly Rocket
“the amount of knowledge and experience on-show was incredible”
3 HN recommenders · 2017–2021
talk#1596Armin Ronacher - A Python for Future Generations
EuroPython Conference
“I highly recommend the two videos posted here”
4 HN recommenders · 2017–2020
talk#1677code::dive conference 2014 - Scott Meyers: Cpu Caches and Why You Care
NOKIA Technology Center Wrocław
“Scott Meyers had a very good talk which contained this information”
3 HN recommenders · 2018–2023
talk#1698Servo Architecture: Safety and Performance
linux conf au 2017 - Hobart, Australia
“This video is one of the most exciting I have seen with regards to web browser performance, and it's Mozilla”
3 HN recommenders · 2017
talk#1721Google I/O 2013 - High Performance Audio
Google for Developers
“is a must-watch”
4 HN recommenders · 2013–2018
talk#1728How to Speed up a Python Program 114,000 times.
InfoQ
“Humour, serious technical insight and a good reminder of why being a generalist is an advantage.”
3 HN recommenders · 2015–2022
talk#1748Charlie Marsh: uv: An Extremely Fast Python Package Manager
Jane Street
“I recently watched a talk by the author of uv that was surprisingly fascinating”
3 HN recommenders · 2024–2025
Channels HN cites most for software performance & optimization
Each channel page lists every video of theirs that HN recommends.
More in Software Engineering & Languages