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← Optimization means measuring the gap between your code and what the…

14 connected korrents · 12 moments from 22 Dec 2014 to 7 Oct 2026.

Everything filed under software performance software performance Everything filed under software quality software quality Everything filed under optimizers optimizers Everything filed under developer tools developer tools Same subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subjectSame subject Read this korrent: Optimization means measuring the gap between your code and what the hardware could theoretically do, not making changes and checking whether the statistics improved. Optimization means measuring the gapbetween your code and what the hardwarecould theoretically do, not making changesand checking whether the statisticsimproved. Last stated 2 months ago 26 Aug 2026 CM Casey Muratori — holds since 2026-08-26 — tap for who they are Same subject: Locally optimizing easily measured code metrics does not produce global optimums, and the fewer people look at the output, the less that matters. — tap to centre the map on it Locally optimizing easily measuredcode metrics does not produce globaloptimums, and the fewer people lookat the output, the less thatmatters. Last stated 2 months ago 7 Sept 2026 AR Armin Ronacher — holds since 2026-09-07 — tap for who they are Same subject: A profiler measures time already spent in an operation, not how much time would be saved by optimizing it. — tap to centre the map on it A profiler measures time alreadyspent in an operation, not how muchtime would be saved by optimizingit. Last stated 3 years ago 18 Dec 2023 NE Nelson Elhage — holds since 2023-12-18 — tap for who they are Same subject: An optimizer's hyper-parameters should mean something a practitioner can reason about, and should rarely need tuning. — tap to centre the map on it An optimizer's hyper-parametersshould mean something a practitionercan reason about, and should rarelyneed tuning. Last stated 12 years ago 22 Dec 2014 JB Jimmy Ba — holds since 2014-12-22 — tap for who they are DK Diederik P. Kingma — holds since 2014-12-22 — tap for who they are Same subject: Every program can be hardened and optimized basically ad infinitum. — tap to centre the map on it Every program can be hardened andoptimized basically ad infinitum. Last stated 3 weeks ago 7 Oct 2026 GR Guillermo Rauch — holds since 2026-10-07 — tap for who they are Same subject: Extreme optimizations can result in code that is hard to maintain. — tap to centre the map on it Extreme optimizations can result incode that is hard to maintain. Last stated 10 years ago by 25 Apr 2017 AH Adrian Holovaty — holds since 2017-04-25 — tap for who they are Same subject: "Is the page loaded?" was never a real question, and web performance only became measurable once it was broken into the distinct moments a user actually notices. — tap to centre the map on it "Is the page loaded?" was never areal question, and web performanceonly became measurable once it wasbroken into the distinct moments auser actually notices. Last stated 2 months ago 19 Aug 2026 AO Addy Osmani — holds since 2026-08-19 — tap for who they are Same subject: "Optimize it later" would be safe advice only if every engineer already knew how to avoid the architectural mistakes that no later optimization can remove. — tap to centre the map on it "Optimize it later" would be safeadvice only if every engineeralready knew how to avoid thearchitectural mistakes that no lateroptimization can remove. Last stated 2 months ago 26 Aug 2026 CM Casey Muratori — holds since 2026-08-26 — tap for who they are Same subject: A 300-millisecond response budget is not an achievement but an admission: 300 milliseconds is an eternity in computing, and a product pitching it shows how far the bar has fallen. — tap to centre the map on it A 300-millisecond response budget isnot an achievement but an admission:300 milliseconds is an eternity incomputing, and a product pitching itshows how far the bar has fallen. Last stated 2 months ago 26 Aug 2026 CM Casey Muratori — holds since 2026-08-26 — tap for who they are Same subject: A tool's speed comes primarily from its design decisions rather than the programming language it is written in. — tap to centre the map on it A tool's speed comes primarily fromits design decisions rather than theprogramming language it is writtenin. Last stated 10 months ago 29 Dec 2025 AP Aaron Patterson — holds since 2025-12-29 — tap for who they are Same subject: Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose. — tap to centre the map on it Monitoring tools that do periodicwork can themselves cause thelatency outliers they were installedto diagnose. Last stated a year ago 3 Aug 2025 BG Brendan Gregg — holds since 2025-08-03 — tap for who they are Same subject: Optimizing for programmer productivity is more valuable than optimizing for computer efficiency — tap to centre the map on it Optimizing for programmerproductivity is more valuable thanoptimizing for computer efficiency Last stated 2 years ago 6 Sept 2024 DH David Heinemeier Hansson — holds since 2024-09-06 — tap for who they are Same subject: Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code. — tap to centre the map on it Compiler mechanisms that force arequired optimization to occur,rather than relying on incidentalcompiler behavior, are a more robustway to write performance-sensitivecode. Last stated 2 years ago 9 Mar 2025 NE Nelson Elhage — holds since 2025-03-09 — tap for who they are Same subject: What clean-code polymorphism really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs. — tap to centre the map on it What clean-code polymorphism reallycosts you is not the virtual callbut the optimizations the compilercan no longer perform once it cannotsee what runs. Last stated 2 months ago 26 Aug 2026 CM Casey Muratori — holds since 2026-08-26 — tap for who they are Same subject: A compiler that also serves an IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. — tap to centre the map on it A compiler that also serves an IDEhas to be lazy and deferredthroughout — a different way ofbuilding compilers from the one thetextbooks teach. Last stated 5 months ago 13 May 2026 AH Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
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At the centre Optimization means measuring the gap between your code and what the hardware could theoretically do, not making changes and checking whether the statistics improved. Last stated 26 Aug 2026 · 2 months ago Holds Casey Muratori Read this korrent →