41554 blogs · [ { "id": "01a0d4de-852a-70c8-ac6f-501789fdf9c6", "title": "Unit tests mark territory more than squash bugs", "url": "https://yosefk.com/blog/unit-tests-mark-territory-more-than-squash-bugs.html", "published_at": "2026-09-18T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714c05cd69", "title": "Doing everyone else's job", "url": "https://yosefk.com/blog/doing-everyone-elses-job.html", "published_at": "2026-06-14T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714bba4a0b", "title": "LLMs struggle with the shell, too", "url": "https://yosefk.com/blog/llms-struggle-with-the-shell-too.html", "published_at": "2026-05-23T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714b08525f", "title": "All means are fair except solving the problem", "url": "https://yosefk.com/blog/all-means-are-fair-except-solving-the-problem.html", "published_at": "2026-05-06T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714a55cda4", "title": "\"Enabling\" C threads in a Python / Wasm environment", "url": "https://yosefk.com/blog/enabling-c-threads-in-a-python-wasm-environment.html", "published_at": "2025-12-25T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714998dddf", "title": "LLMs aren’t world models", "url": "https://yosefk.com/blog/llms-arent-world-models.html", "published_at": "2025-08-10T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7148cbf1ac", "title": "0+0 > 0: C++ thread-local storage performance", "url": "https://yosefk.com/blog/cxx-thread-local-storage-performance.html", "published_at": "2025-02-17T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7147e6d3b4", "title": "Profiling in production with function call traces", "url": "https://yosefk.com/blog/profiling-in-production-with-function-call-traces.html", "published_at": "2025-02-05T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714703ea6e", "title": "Advantages of incompetent management", "url": "https://yosefk.com/blog/advantages-of-incompetent-management.html", "published_at": "2024-07-04T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7146706f58", "title": "Profiling with Ctrl-C", "url": "https://yosefk.com/blog/profiling-with-ctrl-c.html", "published_at": "2024-06-25T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac71464a78f7", "title": "A 100x speedup with unsafe Python", "url": "https://yosefk.com/blog/a-100x-speedup-with-unsafe-python.html", "published_at": "2024-05-04T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7145e3784a", "title": "The state of AI for hand-drawn animation inbetweening", "url": "https://yosefk.com/blog/the-state-of-ai-for-hand-drawn-animation-inbetweening.html", "published_at": "2024-04-17T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7145907738", "title": "Managers have no human rights", "url": "https://yosefk.com/blog/managers-have-no-human-rights.html", "published_at": "2024-03-31T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7145747235", "title": "refix: fast, debuggable, reproducible builds", "url": "https://yosefk.com/blog/refix-fast-debuggable-reproducible-builds.html", "published_at": "2024-03-19T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7144a776aa", "title": "I have risen", "url": "https://yosefk.com/blog/i-have-risen.html", "published_at": "2024-03-12T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714445c246", "title": "Don't ask if a monorepo is good for you – ask if you're good enough for a monorepo", "url": "https://yosefk.com/blog/dont-ask-if-a-monorepo-is-good-for-you-ask-if-youre-good-enough-for-a-monorepo.html", "published_at": "2019-07-30T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7143a21ce6", "title": "Patents: how and why to get them", "url": "https://yosefk.com/blog/patents-how-and-why-to-get-them.html", "published_at": "2018-06-02T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714313f090", "title": "Things want to work, not punish errors", "url": "https://yosefk.com/blog/things-want-to-work-not-punish-errors.html", "published_at": "2017-02-27T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac714273db4f", "title": "Hiring (self-driving algos, HLL compiler research)", "url": "https://yosefk.com/blog/hiring-self-driving-algos-hll-compiler-research.html", "published_at": "2016-09-11T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7141be7e8b", "title": "Fun won't get it done", "url": "https://yosefk.com/blog/fun-wont-get-it-done.html", "published_at": "2016-08-01T00:00:00+00:00" }, { "id": "01a07d5d-addd-72fe-b0c9-ac7141241bb7", "title": "The habitat of hardware bugs", "url": "https://yosefk.com/blog/the-habitat-of-hardware-bugs.html", "published_at": "2016-07-13T00:00:00+00:00" } ] posts Claim your blog

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Yossi Kreinin

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2026

Unit tests mark territory more than squash bugs original ↗

18 Sept 2026

Doing everyone else's job original ↗

14 Jun 2026

LLMs struggle with the shell, too original ↗

23 May 2026

All means are fair except solving the problem original ↗

6 May 2026

2025

"Enabling" C threads in a Python / Wasm environment original ↗

25 Dec 2025

LLMs aren’t world models original ↗

10 Aug 2025

0+0 > 0: C++ thread-local storage performance original ↗

17 Feb 2025

Profiling in production with function call traces original ↗

5 Feb 2025

2024

Advantages of incompetent management original ↗

4 Jul 2024

Profiling with Ctrl-C original ↗

25 Jun 2024

A 100x speedup with unsafe Python original ↗

4 May 2024

The state of AI for hand-drawn animation inbetweening original ↗

17 Apr 2024

Managers have no human rights original ↗

31 Mar 2024

refix: fast, debuggable, reproducible builds original ↗

19 Mar 2024

I have risen original ↗

12 Mar 2024

2019

Don't ask if a monorepo is good for you – ask if you're good enough for a monorepo original ↗

30 Jul 2019

2018

Patents: how and why to get them original ↗

2 Jun 2018

2017

Things want to work, not punish errors original ↗

27 Feb 2017

2016

Hiring (self-driving algos, HLL compiler research)original ↗

11 Sept 2016

Fun won't get it done original ↗

1 Aug 2016

The habitat of hardware bugs original ↗

13 Jul 2016