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← Parameters and conditional branches accumulating inside shared code…
15 connected korrents · 10 moments on record from 28 May 2014 to 26 Aug 2026.
Everything filed under software performance
software performance
Everything filed under compilers
compilers
Everything filed under code generation
code generation
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Read this korrent: Parameters and conditional branches accumulating inside shared code are the diagnostic that the abstraction is wrong.
Parameters and conditional branches accumulating inside shared code are the diagnostic that the abstraction is wrong.
Last stated 11 years ago
20 Jan 2016
SM
Sandi Metz — holds since 2016-01-20 — tap for who they are
Same subject: When an abstraction turns out to be wrong, the fastest way forward is to inline it back into every caller and let the duplication show what the right one is. — tap to centre the map on it
When an abstraction turns out to be wrong, the fastest way forward is to inline it back into every caller and let the duplication show what the right one is.
Last stated 11 years ago
20 Jan 2016
SM
Sandi Metz — holds since 2016-01-20 — tap for who they are
Same subject: Duplication is cheaper than the wrong abstraction, so code should not be made reusable before there are real examples of what the reuse has to do. — tap to centre the map on it
Duplication is cheaper than the wrong abstraction, so code should not be made reusable before there are real examples of what the reuse has to do.
Last stated 11 years ago
20 Jan 2016
SM
Sandi Metz — holds since 2016-01-20 — tap for who they are
CM
Casey Muratori — holds since 2014-05-28 — tap for who they are
Same subject: An abstraction chosen wrongly at the start means a team can never make its software great, however good that team is. — tap to centre the map on it
An abstraction chosen wrongly at the start means a team can never make its software great, however good that team is.
Last stated 12 months ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — tap for who they are
Same subject: What trips up newcomers to Rust is not the code but the shape of their data. — tap to centre the map on it
What trips up newcomers to Rust is not the code but the shape of their data.
Last stated 4 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: The specific rules taught as clean code are simply bad programming practices, and they get worse when you apply them together. — tap to centre the map on it
The specific rules taught as clean code are simply bad programming practices, and they get worse when you apply them together.
Last stated 2 weeks ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — 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 really costs you is not the virtual call but the optimizations the compiler can no longer perform once it cannot see what runs.
Last stated 2 weeks 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 IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach.
Last stated 4 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A compiler that names every place a change breaks turns refactoring into fixing errors until the compiler stops shouting. — tap to centre the map on it
A compiler that names every place a change breaks turns refactoring into fixing errors until the compiler stops shouting.
Last stated 4 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: A programming language is not a compiler but an experience: editing, running, debugging and the runtime library all have to fit together as one cycle. — tap to centre the map on it
A programming language is not a compiler but an experience: editing, running, debugging and the runtime library all have to fit together as one cycle.
Last stated 4 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — 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 a real question, and web performance only became measurable once it was broken into the distinct moments a user actually notices.
Last stated 3 weeks 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 safe advice only if every engineer already knew how to avoid the architectural mistakes that no later optimization can remove.
Last stated 2 weeks 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 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.
Last stated 2 weeks ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much. — tap to centre the map on it
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated a month ago
26 Jul 2026
DH
David Heinemeier Hansson — holds since 2026-07-26 — tap for who they are
Same subject: AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck. — tap to centre the map on it
AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck.
Last stated 5 months ago
22 Apr 2026
MK
Martin Kleppmann — holds since 2026-04-22 — tap for who they are
Same subject: Code and files generated by tools are pollution: hand-writing them is worth the effort because the bloat slows everything down for everyone. — tap to centre the map on it
Code and files generated by tools are pollution: hand-writing them is worth the effort because the bloat slows everything down for everyone.
Last stated 7 years ago
15 Oct 2019
DS
Derek Sivers — holds since 2019-10-15 — tap for who they are
same subject or similar wording a cloud: claims about one subject, named for it bar: when it was last stated, on a scale from 2014 to today (stretched back to the oldest claim here) — full is today a face: someone on record holding the claim — tap it for who they are
At the centre
Parameters and conditional branches accumulating inside shared code are the diagnostic that the abstraction is wrong.
Last stated 20 Jan 2016 · 11 years ago
Holds SM Sandi Metz
Read this korrent →
Similar wording
When an abstraction turns out to be wrong, the fastest way forward is to inline it back into every caller and let the duplication show what the right one is.
Last stated 20 Jan 2016 · 11 years ago
Holds SM Sandi Metz
Similar wording
Duplication is cheaper than the wrong abstraction, so code should not be made reusable before there are real examples of what the reuse has to do.
Last stated 20 Jan 2016 · 11 years ago
Holds SM Sandi MetzCM Casey Muratori
Similar wording
An abstraction chosen wrongly at the start means a team can never make its software great, however good that team is.
Last stated 18 Sept 2025 · 12 months ago
Holds Tobias Lütke
Similar wording
What trips up newcomers to Rust is not the code but the shape of their data.
Last stated 20 May 2026 · 4 months ago
Holds AR Alice Ryhl
Similar wording
The specific rules taught as clean code are simply bad programming practices, and they get worse when you apply them together.
Last stated 26 Aug 2026 · 2 weeks ago
Holds CM Casey Muratori
Similar wording
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.
Last stated 26 Aug 2026 · 2 weeks ago
Holds CM Casey Muratori
Same subject: compilers
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.
Last stated 13 May 2026 · 4 months ago
Holds AH Anders Hejlsberg
Same subject: compilers
A compiler that names every place a change breaks turns refactoring into fixing errors until the compiler stops shouting.
Last stated 20 May 2026 · 4 months ago
Holds AR Alice Ryhl
Same subject: compilers
A programming language is not a compiler but an experience: editing, running, debugging and the runtime library all have to fit together as one cycle.
Last stated 13 May 2026 · 4 months ago
Holds AH Anders Hejlsberg
Same subject: software performance
"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.
Last stated 19 Aug 2026 · 3 weeks ago
Holds AO Addy Osmani
Same subject: software performance
"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.
Last stated 26 Aug 2026 · 2 weeks ago
Holds CM Casey Muratori
Same subject: software performance
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.
Last stated 26 Aug 2026 · 2 weeks ago
Holds CM Casey Muratori
Same subject: code generation
AI acceleration threatens 'less software': without the constraint of scarce hours, even 37signals will likely build too much.
Last stated 26 Jul 2026 · a month ago
Holds David Heinemeier Hansson
Same subject: code generation
AI-written code makes formal proof necessary, because human review of all that generated code becomes the bottleneck.
Last stated 22 Apr 2026 · 5 months ago
Holds MK Martin Kleppmann
Same subject: code generation
Code and files generated by tools are pollution: hand-writing them is worth the effort because the bloat slows everything down for everyone.
Last stated 15 Oct 2019 · 7 years ago
Holds Derek Sivers