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在数学强的 985 数学系，尤其是北大数院，和一帮怪物一起读数学本科、啃基础课、考试、参加研讨班，feel discouraged，是非常正常的事情。 你是你们县/市的天才，从小学到高中学数学都很顺？大学以前的数学基本都是初等数学，现代数学和初等数学不是一回事，而且我们这里IMO金牌遍地走。 过度解读王虹在北大 feel discouraged 的人，我只能说你们一帮不念数学物理本科的，不知道数学本科的平均水平都是怎么熬过来的，只能用文革打法来强行把这件事政治化。

没想到小红书模型训的也可以啊，我一直以为他们只做一些 Agent 方面的事情。 刚才看到他们在 2026 年的国际奥林匹克数学竞赛（IMO）上，那个 dots-note-3.0以 42 分的满分成绩获得了满分金牌的认证，超过金牌线 13 分。这应该是第一次有模型在IMO官方评卷里拿到满分。全球范围内都是。 IMO 主要是证明题，没有选择题之类的对错题，要看论证过程是否准确严密，需要评委去评审。模型在某一个题目上用了非常新颖的解法。 我查了一下，这个模型是dots-note-3.0 的内部版本，应该是 dots 3 中最轻量的模型，近期也会开源，感觉他们在模型上也发力了。 刚好昨天，Anthropic 的数学家用 Fble 5 证明了雅可比猜想的反例，这也说明大模型在数学发现上的重要性越来越强，而且能力上也越来越强了。

I spent a few hours using Tesla FSD V14.3.5 on the Cybertruck yesterday. I said this before, but I honestly think the Cybertruck is the best vessel for FSD. The way it handles tight spaces and sharp turns is impressive. What makes the Cybertruck the best (imo) is the way it can just eat up the road under it. Potholes, rough roads, whatever, it doesn’t matter. Cybertruck glides over everything. That combined with amazing car control is why I think it’s the best, and most comfortable. I just can’t get over how amazing FSD is these days. For the younger generation, self-driving will become the norm. For us, I don’t think it will ever get old.

Unpopular opinion. Sending coins to CZ isn't really a donation imo. It's more like securing them or locking them away. Very BSC thingy Sending coins to Giggle Academy is a donation. They handle every contribution responsibly and use it for good.

🤔华为"天才少年"面试 DeepSeek 遭质疑，当场终止面试流程 华为"天才少年"李博杰发文吐槽DeepSeek面试经历：笔试通过后被晾了半个月才安排面试，且要求了两轮代码面试。 第二轮面试中，面试官认为他描述的都是"研究问题"，对具体工程内容不太理解；代码面试环节，面试官注意到他频繁看向左侧屏幕，质疑他在作弊，要求证明清白，否则无法继续。 李博杰称自己深感被冒犯，当场决定终止面试流程，并发文公开此事。 该事件在社交媒体引发讨论，有观点认为，在 DeepSeek 高强度的团队背景下（内部不乏 IMO、IOI 金牌得主），偏研究背景、缺乏一线工程经验积累的候选人，可能在编码环节容易被认为能力不足。

chips get all the love but the interconnects across all levels from c2c to rack-to-rack are as important, and many chip makers are sleeping on it until very recently. Even most interconnects people just want it to be as transparent as possible, just send and receive the bits with lower error rates and lower energy per bit, wrong long-term direction imo. Interconnects are part of the living creature, so many things happening in your blood vessels in addition to just moving stuff, and your axons do much more than carrying spikes. People do not appreciate interconnects, smaller volume, poor margin, messy ecosystem, manual process, it's been a spiral of grinding, and it is largely invisible. How often do you see people tearing down transceivers and die shot of DSP chips vs logic chips? How often do you see high res pictures of all the connector's gold fingers on the NVL72 cartridge? Because it sounds boring, it's just making contacts, shoving electrons and photons, what a simple problem. But that is deceiving, and theres so much to it. You might want 576 to begin with, had to cut down to 288, then to 144, and finally to 72, and that barely worked first time. You are entering the domain of analog and mixed signaling, you are fighting copper real estate with power delivery, you are getting impedance mismatch and reflections and interference at every stupid interfaces, your optical components' and connectors' backreflection is making your laser mode hop.. And we are not even going into the thermal and strain-stress, the reliability of how many times you can actually mate your connector, the horrible jobs people are doing across the stack from science-project-originated photonic PDKs to hand cleaved laser dies to optical engines to rack manufacturing, on spec-ing out the requirements, the tolerances.. On top of all these, people thinking about where the bits should be going and people who know what the bits have to go thru are two totally different groups of people. But it is shifting, pluggable volumes shipped are doubling and tripling for scale-out, scale-up domain asks for much higher bw than scale-out, and interconnects are inevitable even if you cram as much compute and memory onto a single wafer. People will see it always has been interconnects, the chips people have already been doing it on the chips, that you can sort it out with your chip designers and foundries, and now you need to work with more people to sort it out from chips to boards/trays to racks to pods to data halls and data centers. These people speak very different languages and care about very different things, and it will take a lot of effort to pull order out of all the chaos. At the end of the day, it is such a crazy problem to work on, such a beautiful thing to make, millions of amps of current flipping 1e20 of flops, sextillions of photons carrying thousands of terabits per second, a few tons of copper, tens of thousands of fibers totally few hundred kilometers, one scale-up domain. You absolutely need a group of people that appreciate the beauty and care about the craft behind the grinding to make it together.

FABLE 5 JUST RECREATED NEW YORK CITY IN BLENDER. I connected Blender to Fable 5 and in like 20 minutes, it remade the entire cityscape of NYC It started by getting data of the buildings from public sources, THEN began building it (imo this is a smarter move than what Opus 4.8 would've done) So theoretically, this entire build is up to scale too Fable 5, welcome back.