Software performance & optimization Videos Recommended on Hacker News (123)
Software performance & optimization is one of the 150 topics Hacker News readers organize their video recommendations around. These 123 videos each earned real recommendations in real HN threads between 2009 and 2026 — 417 recommendations in total — and they're ranked by how many separate months the community kept coming back to them, not by view count.
Performance and optimization: profiling, benchmarks, cache efficiency, software bloat, latency, low-level optimization, SIMD, Casey Muratori, Handmade Hero, why software is slow.
Why HN keeps sending people here — on How Python was Shaped by leaky Internals, Armin Ronacher, Flask framework: “This excellent talk describes how the semantics of the "add" operation are much more complex than generally described.” — an HN commenter, 2021.
Features
Evergreen only
2 mo on HNDmitry Vyukov — Go scheduler: Implementing language with lightweight concurrency
2 mo on HNFreeBSD optimizations used by Netflix serving at 800Gb/s - Drew Gallatin - EuroBSDcon 2022
2 mo on HNKilim: Fast, lightweight, cheap message passing in Java.
2 mo on HNThe Truth about Rust/WebAssembly Performance
2 mo on HNHandmade Hero | Getting rid of the OOP mindset
2 mo on HNAbseil's Open Source Hashtables: 2 Years In - Matt Kulukundis - CppCon 2019
2 mo on HNDennis Gustafsson – Parallelizing the physics solver – BSC 2025
2 mo on HNCygnusEd Professional in Action on an Amiga 2000
2 mo on HNC++Now 2018: You Can Do Better than std::unordered_map: New Improvements to Hash Table Performance
2 mo on HNBloat: How and Why UNIX Grew Up (and Out) - Rusty Russell,Matt Evans
2 mo on HNCppCon 2019: Emery Berger “Mesh: Automatically Compacting Your C++ Application's Memory”
2 mo on HNGopherCon 2015: Go GC: Solving the Latency Problem - Rick Hudson
2 mo on HNChris Seaton @ VMSS16: JRuby+Truffle: Why it’s Important to Optimise the Tricky Parts
2 mo on HNReact.js Conf 2015 - Beyond the DOM: How Netflix plans to enhance your television experience
2 mo on HNPlenary: Performance Matters - Emery Berger - CppCon 2020
2 mo on HNA 10x faster TypeScript
2 mo on HNRust at speed — building a fast concurrent database
2 mo on HNUnity DOTS vs Handbuilt: Sample Project
2 mo on HNFinding the BEST sine function for Nintendo 64
1 mo on HN'Fastware' - Andrei Alexandrescu [ ACCU 2016 ]
1 mo on HNCppCon 2019: Matt Godbolt “Path Tracing Three Ways: A Study of C++ Style”
1 mo on HNBrandt Bucher – A JIT Compiler for CPython
1 mo on HNData-Oriented Demo: SOA, composition
1 mo on HN8088 MPH by Hornet + CRTC + DESiRE (final version)
1 mo on HNWhere Does Bad Code Come From?
1 mo on HNGradIEEEnt half decent: The hidden power of imprecise lines
1 mo on HNBringing SIMD to the Web via Dart
1 mo on HNReboot Develop 2017 - Jonathan Blow, Thekla Inc. / Making Game Programming Less Terrible
1 mo on HNSoftware is in Decline - Jonathan Blow
1 mo on HNUserbenchmark - the April Fools that never ends
1 mo on HNResident Evil Village PC DRM: Cracked Code Really Does Run Better - Confirmed
1 mo on HNKilling the Walk Monster
1 mo on HNModernizing Compiler Design for Carbon Toolchain - Chandler Carruth - CppNow 2023
1 mo on HNWindows 7 GUI slowness
1 mo on HNSomeone improved my code by 40,832,277,770%
1 mo on HN