MagicCat
1.1K posts


@TaoRay 我会在 WhatsApp 上分享我的实时交易提醒(入场和出场点),免费加入 ✅
🔽我会把你添加到我的群组!
👉 🔗: api.whatsapp.com/send/?phone=18…
➡️复制搜索内容,回复“join”至 WhatsApp:+18032219136
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@kptcl19710301 @nangongyuan 你有一个美股的壳,可以玩各种资本外逃,避税,给高管或者ceo 0成本发期权还在国内不用交税。要私有化了,就玩不了了。
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@jameslinbeijing @TaoRay @wbn19971 @Nicole_yang88 茅台送礼也不会送1瓶,那个包装一个提手袋,正好放2瓶。不过现在的中国托人办事,就送2个茅台也太少了。服务员一个月都4千了
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@lauriewired If you only modify the taken hit bit of the instruction, you still need to wait for the next cacheline clock cycle when encountering a conditional boundary for instruction fetching. Therefore, you must modify both the speculative bit and the instruction distribution。
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I love looking at old crazy ideas in expired computer patents.
Modern CPU Branch Predictors are invisible. You, as a dev, can’t really see *what* paths the CPU is guessing…it’s all a bunch of AMD/Intel/Apple secret sauce.
For a brief moment in the 80s, there was this wacky proposition of storing the prediction IN the opcodes themselves.
If you don’t understand why that’s insane, bear with me for a second.
Imagine your binary has an ordinary if statement, that compiles down to a jump if equal instruction (JE). You run your program, and let’s say the if statement evaluates as true 99% of the time.
This patent suggested the CPU would then EDIT the running binary, in memory, to a new “JE-probably-taken” instruction, which upon subsequent execution would just assume true.
That might not sound that wild, until you realize the entire structure relies on the branch predictor itself being self modifying code, which you’d then be able to see / evaluate with a debugger! In other words, you’d have a compiled binary, that would then radically change at runtime where you could see all the hints!
The idea ended up not working; a few years later CPU’s started gaining instruction caches, and the round trip back and forth to rewrite the binary in memory would be much too slow. Weird to think about though, to me it feels like it would have been kinda JVM-y / V8ish but at a much much lower level of abstraction.


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木头姐是不是拿了人家的早期轮的融资,签的term sheet 有约束性条款,必须以后续的IPO上市后价格认购多少股份作为交换条件?
不然,我真的无法理解她;这是一个专业机构投资者能干得出来的事吗?
The Assembly@InTheAssembly
Cathie Wood did it again. She bought $32.8M of $CBRS at $310, one day after the IPO closed at $311. The stock now trades at $207. Down 33% in 3 weeks. ARKK is still one of the worst performing funds in the entire market.
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Anthropic说AI现在进化得太快了,我们自己都有点慌,建议全行业暂停一下。
理由是Claude目前80%的代码是AI自己写的。这意味着AI在帮助制造"更强的AI",形成自我加速的循环,一旦到了100%,人类就彻底不在回路里了。

Anthropic@AnthropicAI
Our internal data shows Claude is accelerating AI development—a possible path to recursive self-improvement, or AI autonomously building a more capable successor. It’s happening faster than we thought, and the implications deserve greater attention. anthropic.com/institute/recu…
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