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41554 blogs · [ { "id": "01a0875e-1279-72db-864a-d52fddbf9ef1", "title": "[Tech] Why MLA and MTP Fight Each Other: Attention Through Arithmetic Intensity", "url": "https://changyi.fun/posts/attention-arithmetic-intensity/", "published_at": "2026-08-10T02:25:00+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb01648da3", "title": "The Bitter Lesson of Agentic Collaboration (24h Hackathon Takeaways)", "url": "https://changyi.fun/posts/hackathon-agent-collab/", "published_at": "2026-06-23T05:00:00+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb0223be63", "title": "[Tech] Delta Weight Sync: When RL's Weight Sync Stops Being a Network Problem", "url": "https://changyi.fun/posts/delta-weight-sync/", "published_at": "2026-06-18T05:00:00+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb0276d1db", "title": "[Tech] How Does SGLang Support LoRA?", "url": "https://changyi.fun/posts/sglang_lora_en/", "published_at": "2026-02-22T05:00:00+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb02d7dc2a", "title": "[Tech] How Does SGLang Actually Load Model Weights?", "url": "https://changyi.fun/posts/model-weight-loading/", "published_at": "2026-02-12T05:00:00+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb03ce214e", "title": "[Podcast Note] n+e: Open Source, RL Infra, and Career Choices", "url": "https://changyi.fun/posts/n+e-podcast/", "published_at": "2026-01-25T15:00:00+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb04b045c0", "title": "[Talk Note] Ilya Sutskever on AI Scaling, RL, and the Future of AGI", "url": "https://changyi.fun/posts/ilya_talk/", "published_at": "2025-12-04T19:22:50+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb057c3966", "title": "[Talk Note] From ACMer to ML System Architect: Chen Tianqi's Journey of Research and Entrepreneurship", "url": "https://changyi.fun/posts/chentianqi_talk/", "published_at": "2025-09-13T19:12:39+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb05ce75f4", "title": "[Talk Note]Everything about AI infra", "url": "https://changyi.fun/posts/everything-about-ai-infra/", "published_at": "2025-08-09T07:29:07+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb061dc1c8", "title": "[Talk Note]AI Infrastructure: The Future of Careers and Innovations in the Industry", "url": "https://changyi.fun/posts/ai-infra-talk-weilai/", "published_at": "2025-06-22T22:39:12+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb064e5f77", "title": "Notes: RAG Agents in Prod: 10 Lessons We Learned", "url": "https://changyi.fun/posts/rag-10-lessons/", "published_at": "2025-06-14T22:11:49+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb06e9dcc9", "title": "Key trade-offs in Kafka", "url": "https://changyi.fun/posts/kafka/", "published_at": "2025-04-01T20:32:07+00:00" }, { "id": "01a0875e-127a-724d-8a4e-ddeb07dd5977", "title": "How I Build This Site", "url": "https://changyi.fun/posts/how-i-build-this-site/", "published_at": "2025-03-31T20:19:39+00:00" } ] posts Claim your blog
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2026

[Tech] Why MLA and MTP Fight Each Other: Attention Through Arithmetic Intensityoriginal ↗
10 Aug 2026
The Bitter Lesson of Agentic Collaboration (24h Hackathon Takeaways)original ↗
23 Jun 2026
[Tech] Delta Weight Sync: When RL's Weight Sync Stops Being a Network Problemoriginal ↗
18 Jun 2026
[Tech] How Does SGLang Support LoRA?original ↗
22 Feb 2026
[Tech] How Does SGLang Actually Load Model Weights?original ↗
12 Feb 2026
[Podcast Note] n+e: Open Source, RL Infra, and Career Choicesoriginal ↗
25 Jan 2026

2025

[Talk Note] Ilya Sutskever on AI Scaling, RL, and the Future of AGIoriginal ↗
4 Dec 2025
[Talk Note] From ACMer to ML System Architect: Chen Tianqi's Journey of Research and Entrepreneurshiporiginal ↗
13 Sept 2025
[Talk Note]Everything about AI infraoriginal ↗
9 Aug 2025
[Talk Note]AI Infrastructure: The Future of Careers and Innovations in the Industryoriginal ↗
22 Jun 2025
Notes: RAG Agents in Prod: 10 Lessons We Learnedoriginal ↗
14 Jun 2025
Key trade-offs in Kafkaoriginal ↗
1 Apr 2025
How I Build This Siteoriginal ↗
31 Mar 2025