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← Modern CPUs can now predict the indirect dispatch jump in a bytecode interpreter loop with high accuracy.
14 connected korrents · 13 moments from 27 May 2023 to 3 Sept 2026.
Everything filed under software performance
software performance
Everything filed under TypeScript
TypeScript
Everything filed under compilers
compilers
Everything filed under semiconductors
semiconductors
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 Same subject Same subject Read this korrent: Modern CPUs can now predict the indirect dispatch jump in a bytecode interpreter loop with high accuracy. Modern CPUs can now predict the indirect dispatch jump in a bytecode interpreter loop with high accuracy. Last stated a year ago
4 Jul 2025
NE
Nelson Elhage — holds since 2025-07-04 — tap for who they are
Same subject: Static typing gives coding agents a small but real edge on hard tasks, by catching crash-class bugs that untyped code ships. — tap to centre the map on it Static typing gives coding agents a small but real edge on hard tasks, by catching crash-class bugs that untyped code ships. Last stated 5 months ago
10 Jun 2026
KC
Kun Chen — holds since 2026-06-10 — tap for who they are
Same subject: Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code. — tap to centre the map on it Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code. Last stated 2 years ago
9 Mar 2025
NE
Nelson Elhage — holds since 2025-03-09 — tap for who they are
Same subject: Source code in any language tells you nothing about what the CPU is actually asked to do; only the compiler's assembly output does, and reading it is a skill every serious programmer should have. — tap to centre the map on it Source code in any language tells you nothing about what the CPU is actually asked to do; only the compiler's assembly output does, and reading it is a skill every serious programmer should have. Last stated 2 months ago
26 Aug 2026
CM
Casey Muratori — holds since 2026-08-26 — tap for who they are
Same subject: Falling back to older 7-nanometre chips would not rescue AI compute, because the real gap between chip generations is twentyfold, not the threefold the flops suggest. — tap to centre the map on it Falling back to older 7-nanometre chips would not rescue AI compute, because the real gap between chip generations is twentyfold, not the threefold the flops suggest. Last stated 8 months ago
13 Mar 2026
DP
Dylan Patel — holds since 2026-03-13 — tap for who they are
Same subject: Claude Code will eventually build persistent, failure-tolerant iteration into its default operating loop. — tap to centre the map on it Claude Code will eventually build persistent, failure-tolerant iteration into its default operating loop. Last stated 9 months ago
6 Feb 2026
AK
Arvid Kahl — holds since 2026-02-06 — 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 months 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 months 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 months 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 10 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: CommonJS is harder to statically analyze than ES Modules and its synchronous module loading is less efficient at runtime. — tap to centre the map on it CommonJS is harder to statically analyze than ES Modules and its synchronous module loading is less efficient at runtime. Last stated 2 years ago
19 Jun 2024
BC
Boris Cherny — holds since 2024-06-19 — tap for who they are
Same subject: Improving Next.js chunking can yield massive efficiency improvements at internet scale. — tap to centre the map on it Improving Next.js chunking can yield massive efficiency improvements at internet scale. Last stated 2 months ago
3 Sept 2026
GR
Guillermo Rauch — holds since 2026-09-03 — tap for who they are
Same subject: Web developers should drop front-end libraries and use the DOM with plain JavaScript. — tap to centre the map on it Web developers should drop front-end libraries and use the DOM with plain JavaScript. Last stated 3 years ago
27 May 2023
DC
Douglas Crockford — holds since 2023-05-27 — tap for who they are
At the centre
Modern CPUs can now predict the indirect dispatch jump in a bytecode interpreter loop with high accuracy.
Holds Read this korrent →
Static typing gives coding agents a small but real edge on hard tasks, by catching crash-class bugs that untyped code ships.
Holds
Compiler mechanisms that force a required optimization to occur, rather than relying on incidental compiler behavior, are a more robust way to write performance-sensitive code.
Holds
Source code in any language tells you nothing about what the CPU is actually asked to do; only the compiler's assembly output does, and reading it is a skill every serious programmer should have.
Holds
Falling back to older 7-nanometre chips would not rescue AI compute, because the real gap between chip generations is twentyfold, not the threefold the flops suggest.
Holds
Claude Code will eventually build persistent, failure-tolerant iteration into its default operating loop.
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
CommonJS is harder to statically analyze than ES Modules and its synchronous module loading is less efficient at runtime.
Holds
Improving Next.js chunking can yield massive efficiency improvements at internet scale.
Holds
Web developers should drop front-end libraries and use the DOM with plain JavaScript.
Holds