Tap a claim on the ring to put it at the centre.
← Assembly language implementations of time-to-first-x can achieve…
17 connected korrents · 14 moments from 18 Dec 2023 to 26 Sept 2026. Nearly all of them are about compilers .
Everything filed under software performance
software performance
Everything filed under coding agents
coding agents
Everything filed under developer tools
developer tools
Everything filed under benchmarks
benchmarks
Everything filed under AI agents
AI agents 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: Assembly language implementations of time-to-first-x can achieve significant performance improvements over Rust implementations. Assembly language implementations of time-to-first-x can achieve significant performance improvements over Rust implementations. Last stated a week ago
26 Sept 2026
DH
David Heinemeier Hansson — holds since 2026-09-26 — 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 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 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: Agents are the new compilers that compile intent into fast software. — tap to centre the map on it Agents are the new compilers that compile intent into fast software. Last stated 3 weeks ago
12 Sept 2026
GR
Guillermo Rauch — holds since 2026-09-12 — tap for who they are
Same subject: AI agents are only as good as the proof-checkers, compilers, type systems, and linters given to them. — tap to centre the map on it AI agents are only as good as the proof-checkers, compilers, type systems, and linters given to them. Last stated 3 weeks ago
14 Sept 2026
GR
Guillermo Rauch — holds since 2026-09-14 — tap for who they are
Same subject: As AI takes over more of the coding process, clearly specifying goals and exercising good judgment will matter more than ever. — tap to centre the map on it As AI takes over more of the coding process, clearly specifying goals and exercising good judgment will matter more than ever. Last stated 8 months ago
4 Feb 2026
SH
Scott Hanselman — holds since 2026-02-04 — tap for who they are
Same subject: Assembly is far simpler to learn than the modern web stack: anyone who can vertically centre a div can learn to read it. — tap to centre the map on it Assembly is far simpler to learn than the modern web stack: anyone who can vertically centre a div can learn to read it. Last stated a month ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — 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 a month 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 a month 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 a month ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — 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 already spent in an operation, not how much time would be saved by optimizing it. Last stated 3 years ago
18 Dec 2023
NE
Nelson Elhage — holds since 2023-12-18 — 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 from its design decisions rather than the programming language it is written in. Last stated 9 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 periodic work can themselves cause the latency outliers they were installed to diagnose. Last stated a year ago
3 Aug 2025
BG
Brendan Gregg — holds since 2025-08-03 — tap for who they are
Same subject: A network round trip is roughly a million times slower than a filesystem-cache read. — tap to centre the map on it A network round trip is roughly a million times slower than a filesystem-cache read. Last stated 3 weeks ago
15 Sept 2026
XI
Xe Iaso — holds since 2026-09-15 — tap for who they are
Same subject: A performance test without an explanation of its limiting factor should be treated as unanalyzed and possibly bogus. — tap to centre the map on it A performance test without an explanation of its limiting factor should be treated as unanalyzed and possibly bogus. Last stated a year ago
3 Aug 2025
BG
Brendan Gregg — holds since 2025-08-03 — tap for who they are
Same subject: Performance test results are highly dependent on the specific machine, library versions, and other components used, making them hard to compare over time. — tap to centre the map on it Performance test results are highly dependent on the specific machine, library versions, and other components used, making them hard to compare over time. Last stated 2 months ago
14 Aug 2026
DS
Daniel Stenberg — holds since 2026-08-14 — tap for who they are
At the centre
Assembly language implementations of time-to-first-x can achieve significant performance improvements over Rust implementations.
Holds Read this korrent →
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 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
Agents are the new compilers that compile intent into fast software.
Holds
AI agents are only as good as the proof-checkers, compilers, type systems, and linters given to them.
Holds
As AI takes over more of the coding process, clearly specifying goals and exercising good judgment will matter more than ever.
Holds
Assembly is far simpler to learn than the modern web stack: anyone who can vertically centre a div can learn to read it.
Holds
"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.
Holds
"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.
Holds
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.
Holds
A profiler measures time already spent in an operation, not how much time would be saved by optimizing it.
Holds
A tool's speed comes primarily from its design decisions rather than the programming language it is written in.
Holds
Monitoring tools that do periodic work can themselves cause the latency outliers they were installed to diagnose.
Holds
A network round trip is roughly a million times slower than a filesystem-cache read.
Holds
A performance test without an explanation of its limiting factor should be treated as unanalyzed and possibly bogus.
Holds
Performance test results are highly dependent on the specific machine, library versions, and other components used, making them hard to compare over time.
Holds