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← There is no trade-off between well-architected code and fast code: in…
17 connected korrents · 12 moments from 21 Jul 2024 to 23 Sept 2026.
Everything filed under software performance
software performance
Everything filed under compilers
compilers
Everything filed under developer tools
developer tools
Everything filed under Python
Python
Everything filed under design
design
Everything filed under coding agents
coding agents
Everything filed under documentation
documentation Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: There is no trade-off between well-architected code and fast code: in practice, the code that is architected properly is also the code that runs quickly. There is no trade-off between well-architected code and fast code: in practice, the code that is architected properly is also the code that runs quickly. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: As AI makes code cheaper to produce, understanding and architectural design become more valuable. — tap to centre the map on it As AI makes code cheaper to produce, understanding and architectural design become more valuable. Last stated 2 years ago
27 Jan 2025
NE
Nelson Elhage — holds since 2025-01-27 — tap for who they are
Same subject: Cheap building will not mean making the same amount of software faster; it will mean making way more software. — tap to centre the map on it Cheap building will not mean making the same amount of software faster; it will mean making way more software. Last stated 4 weeks ago
23 Sept 2026
GT
Geoff Teehan — holds since 2026-09-23 — tap for who they are
Same subject: Everyone on a team who makes architectural decisions must understand performance, because a codebase that can be optimized later only ends up that way on purpose. — tap to centre the map on it Everyone on a team who makes architectural decisions must understand performance, because a codebase that can be optimized later only ends up that way on purpose. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: Deep design expertise does not get squeezed out just because code and analysis got faster. — tap to centre the map on it Deep design expertise does not get squeezed out just because code and analysis got faster. Last stated 3 months ago
19 Jul 2026
ES
Elizabeth Stone — holds since 2026-07-19 — tap for who they are
Same subject: Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive. — tap to centre the map on it Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive. Last stated 2 months ago
26 Aug 2026
DH
David Heinemeier Hansson — holds since 2026-08-26 — tap for who they are
Same subject: Nobody has found keeping specs and code in sync worth the upkeep; the code stays the source of truth. — tap to centre the map on it Nobody has found keeping specs and code in sync worth the upkeep; the code stays the source of truth. Last stated 3 months ago
15 Jul 2026
DH
Dex Horthy — holds since 2026-07-15 — 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 5 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: Hand-optimizing hot spots barely matters any more, because the libraries are already fast and CPUs are extremely good at running bad code quickly; what is left is architecture. — tap to centre the map on it Hand-optimizing hot spots barely matters any more, because the libraries are already fast and CPUs are extremely good at running bad code quickly; what is left is architecture. 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 IDE has to be lazy and deferred throughout — a different way of building compilers from the one the textbooks teach. Last stated 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A developer using AI coding tools remains responsible for reviewing the code they ship. — tap to centre the map on it A developer using AI coding tools remains responsible for reviewing the code they ship. Last stated 7 months ago
10 Mar 2026
JS
Jon Seager — holds since 2026-03-10 — tap for who they are
Same subject: A people manager needs enough technical depth to follow discussions and judge debates without relying on trust, but not the deepest technical expertise on the team. — tap to centre the map on it A people manager needs enough technical depth to follow discussions and judge debates without relying on trust, but not the deepest technical expertise on the team. Last stated 2 years ago
21 Jul 2024
BK
Ben Kuhn — holds since 2024-07-21 — 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 5 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 5 months ago
13 May 2026
AH
Anders Hejlsberg — holds since 2026-05-13 — tap for who they are
Same subject: A speed difference between languages that share the LLVM backend measures the benchmark author, not the languages. — tap to centre the map on it A speed difference between languages that share the LLVM backend measures the benchmark author, not the languages. Last stated 2 years ago
22 Mar 2025
TH
ThePrimeagen — holds since 2025-03-22 — tap for who they are
Same subject: A language can keep changing without a Python-2-to-3 break, as long as code written under the old and the new rules can be mixed freely in one program. — tap to centre the map on it A language can keep changing without a Python-2-to-3 break, as long as code written under the old and the new rules can be mixed freely in one program. Last stated 5 months ago
20 May 2026
AR
Alice Ryhl — holds since 2026-05-20 — tap for who they are
Same subject: Python is ugly: full of superfluous instructions kept since 1987 for legacy reasons, and its __init__ offends the sensibilities to the core. — tap to centre the map on it Python is ugly: full of superfluous instructions kept since 1987 for legacy reasons, and its __init__ offends the sensibilities to the core. Last stated a year ago
12 Jul 2025
DH
David Heinemeier Hansson — holds since 2025-07-12 — tap for who they are
Same subject: Sharing code between classes via inheritance in Python tends to produce a bad experience. — tap to centre the map on it Sharing code between classes via inheritance in Python tends to produce a bad experience. Last stated 3 months ago
21 Jul 2026
JE
Julia Evans — holds since 2026-07-21 — tap for who they are
At the centre
There is no trade-off between well-architected code and fast code: in practice, the code that is architected properly is also the code that runs quickly.
Holds Read this korrent →
As AI makes code cheaper to produce, understanding and architectural design become more valuable.
Holds
Cheap building will not mean making the same amount of software faster; it will mean making way more software.
Holds
Everyone on a team who makes architectural decisions must understand performance, because a codebase that can be optimized later only ends up that way on purpose.
Holds
Deep design expertise does not get squeezed out just because code and analysis got faster.
Holds
Most organisations are bottlenecked on ideas, vision and taste rather than on implementation, so making code cheap does not make them productive.
Holds
Nobody has found keeping specs and code in sync worth the upkeep; the code stays the source of truth.
Holds
What trips up newcomers to Rust is not the code but the shape of their data.
Holds
Hand-optimizing hot spots barely matters any more, because the libraries are already fast and CPUs are extremely good at running bad code quickly; what is left is architecture.
Holds
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.
Holds
A developer using AI coding tools remains responsible for reviewing the code they ship.
Holds
A people manager needs enough technical depth to follow discussions and judge debates without relying on trust, but not the deepest technical expertise on the team.
Holds
A compiler that names every place a change breaks turns refactoring into fixing errors until the compiler stops shouting.
Holds
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.
Holds
A speed difference between languages that share the LLVM backend measures the benchmark author, not the languages.
Holds
A language can keep changing without a Python-2-to-3 break, as long as code written under the old and the new rules can be mixed freely in one program.
Holds
Python is ugly: full of superfluous instructions kept since 1987 for legacy reasons, and its __init__ offends the sensibilities to the core.
Holds
Sharing code between classes via inheritance in Python tends to produce a bad experience.
Holds