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← The evidence from the largest software companies says programmers…
17 connected korrents · 13 moments from 28 Feb 2023 to 24 Sept 2026.
Everything filed under software performance
software performance
Everything filed under compilers
compilers
Everything filed under Python
Python
Everything filed under developer tools
developer tools
Everything filed under ambition
ambition
Everything filed under coding agents
coding agents
Everything filed under design
design 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: The evidence from the largest software companies says programmers should take performance more seriously than they do, not less. The evidence from the largest software companies says programmers should take performance more seriously than they do, not less. Last stated 3 years ago
26 Apr 2023
CM
Casey Muratori — holds since 2023-04-26 — tap for who they are
Same subject: Giving up a decade or more of hardware performance to make programming more comfortable is not an acceptable trade. — tap to centre the map on it Giving up a decade or more of hardware performance to make programming more comfortable is not an acceptable trade. Last stated 4 years ago
28 Feb 2023
CM
Casey Muratori — holds since 2023-02-28 — 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: The software industry is massively underperforming its hardware, by factors of ten to a hundred, and people refuse to believe the numbers when you say them. — tap to centre the map on it The software industry is massively underperforming its hardware, by factors of ten to a hundred, and people refuse to believe the numbers when you say them. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: The programming practices taught as best practice are ruinous for performance and should not be followed. — tap to centre the map on it The programming practices taught as best practice are ruinous for performance and should not be followed. Last stated 4 years ago
28 Feb 2023
CM
Casey Muratori — holds since 2023-02-28 — tap for who they are
Same subject: Many programmers now have less impact than they could because they spend their time reading and reviewing code. — tap to centre the map on it Many programmers now have less impact than they could because they spend their time reading and reviewing code. Last stated 3 months ago
13 Jul 2026
SS
Salvatore Sanfilippo — holds since 2026-07-13 — tap for who they are
Same subject: Increasing time spent with coding agents strengthens the conviction that they make software engineering even harder. — tap to centre the map on it Increasing time spent with coding agents strengthens the conviction that they make software engineering even harder. Last stated 4 weeks ago
24 Sept 2026
SW
Simon Willison — holds since 2026-09-24 — tap for who they are
Same subject: A decade of arguing that software is too slow has started to work: new products are now attacking established categories on a performance pitch alone, and getting traction. — tap to centre the map on it A decade of arguing that software is too slow has started to work: new products are now attacking established categories on a performance pitch alone, and getting traction. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: Well-functioning systems succeed through continuous debugging rather than perfect initial design. — tap to centre the map on it Well-functioning systems succeed through continuous debugging rather than perfect initial design. Last stated 2 months ago
20 Aug 2026
JP
Jennifer Pahlka — holds since 2026-08-20 — 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 good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. — tap to centre the map on it A good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling. Last stated a year ago
18 Sept 2025
TL
Tobias Lütke — holds since 2025-09-18 — 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
The evidence from the largest software companies says programmers should take performance more seriously than they do, not less.
Holds Read this korrent →
Giving up a decade or more of hardware performance to make programming more comfortable is not an acceptable trade.
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
The software industry is massively underperforming its hardware, by factors of ten to a hundred, and people refuse to believe the numbers when you say them.
Holds
The programming practices taught as best practice are ruinous for performance and should not be followed.
Holds
Many programmers now have less impact than they could because they spend their time reading and reviewing code.
Holds
Increasing time spent with coding agents strengthens the conviction that they make software engineering even harder.
Holds
A decade of arguing that software is too slow has started to work: new products are now attacking established categories on a performance pitch alone, and getting traction.
Holds
Well-functioning systems succeed through continuous debugging rather than perfect initial design.
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 good tool raises the floor of what people can build without lowering the ceiling, and almost every tool quietly lowers the ceiling.
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