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← Sampling profilers are very low overhead and can provide deep insight…
12 connected korrents · 12 moments from 18 Dec 2023 to 12 Oct 2026.
Everything filed under software quality
software quality
Everything filed under compilers
compilers
Everything filed under software performance
software performance
Everything filed under coding agents
coding 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 Read this korrent: Sampling profilers are very low overhead and can provide deep insight into running systems without needing to instrument them first. Sampling profilers are very low overhead and can provide deep insight into running systems without needing to instrument them first. Last stated yesterday
12 Oct 2026
SW
Simon Willison — holds since 2026-10-12 — tap for who they are
Same subject: Profilers show where time is spent but not which of that time can feasibly be reduced or is worth optimizing. — tap to centre the map on it Profilers show where time is spent but not which of that time can feasibly be reduced or is worth optimizing. Last stated 3 years ago
18 Dec 2023
NE
Nelson Elhage — holds since 2023-12-18 — 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: When diagnosing a performance problem, starting with a CPU profile is more useful than checking database queries first. — tap to centre the map on it When diagnosing a performance problem, starting with a CPU profile is more useful than checking database queries first. Last stated 3 months ago
21 Jul 2026
JE
Julia Evans — holds since 2026-07-21 — tap for who they are
Same subject: "I don't know" becomes a kind of superpower when you can work with Claude Code to figure things out. — tap to centre the map on it "I don't know" becomes a kind of superpower when you can work with Claude Code to figure things out. Last stated 7 months ago
19 Mar 2026
KP
Kris Puckett — holds since 2026-03-19 — tap for who they are
Same subject: A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down. — tap to centre the map on it A coding agent does not learn from its mistakes the way a person does -- it repeats the same error indefinitely unless a human notices and writes it down. Last stated 7 months ago
25 Mar 2026
MZ
Mario Zechner — holds since 2026-03-25 — tap for who they are
Same subject: A coding agent left to run over a weekend returns work that is half good, a quarter garbage and a quarter in need of repair. — tap to centre the map on it A coding agent left to run over a weekend returns work that is half good, a quarter garbage and a quarter in need of repair. Last stated a year ago
18 Aug 2025
CB
Clay Bavor — holds since 2025-08-18 — 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: 95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away. — tap to centre the map on it 95 percent of the software made in an age of abundance will be shitty, and shitty software is easy to deal with because it goes away. Last stated 3 weeks ago
23 Sept 2026
GT
Geoff Teehan — holds since 2026-09-23 — tap for who they are
Same subject: A feature added to a codebase is extremely difficult to remove once other code is built on top of it. — tap to centre the map on it A feature added to a codebase is extremely difficult to remove once other code is built on top of it. Last stated a month ago
1 Sept 2026
VB
Vicki Boykis — holds since 2026-09-01 — tap for who they are
Same subject: A feature shipped in a product's official release is fair to judge, regardless of whether the company labels it a beta. — tap to centre the map on it A feature shipped in a product's official release is fair to judge, regardless of whether the company labels it a beta. Last stated 4 weeks ago
14 Sept 2026
JS
Jason Snell — holds since 2026-09-14 — tap for who they are