Also being on TSMC5 on top of significant micro architecture improvements ; ~630 instruction deep ROB, ability to queue ~150 outstanding load instruction and ~100 outstanding stores and huge TLBs which reduces swapping the anandtech article does a great job going into explaining this.
All that helps, but if you look at the die you are going to see a massive 12MB L2 with a bunch of routing to all the L1s. That’s where the majority of the cost is going vs any other chip.
If cache size was the answer then Intel would have already stuck more on their CPUs, and AMD's 32MB on Zen3 would be carrying far more weight against the M1 than it is.
Bigger caches mean higher latency caches, it's not strictly a matter of bigger is better.
It’s an L2, amd zen has 2x16mb L3s, with a wacky point of unification. L3 is muuuuch slower than L2.
Apple’s L2 is huge and is the PoU for all the cores. I wouldn’t be surprised if it has direct routing to all the L1s since they are so small. 5nm doesn’t hurt.
These articles on HN always remind me how much more work crypto has to do in terms of education to the general technical public. Crypto Twitter is a recursive bubble.
> US tech firms still have a harder time operating in China.
It's entirely hard to believe this considering the obscene amounts of profits that US companies make by just "designing in california". Our whole era is enabled and defined by cheap chinese labor.
Clearly many companies benefit from outsourcing manufacturing to China. But they don't own the manufacturing process, they're basically using contract labor and supply chains. Software and design has proven harder to outsource or I'm sure that would be gone, too. The point is that our software apps are not freely allowed to exist there. The firewall is a thing, information is tightly controlled, and they can't allow freedom of speech so they typically ban or limit many American applications.
it's a tit for tat. chinese labour market isn't exactly a free market, and its state controlled policies is precisely the reason why the world chose china in the first place
> It's entirely hard to believe this considering the obscene amounts of profits that US companies make by just "designing in california". Our whole era is enabled and defined by cheap chinese labor.
Labor is fungible, if it wasn't in China it would be somewhere else.
Google, fb, Twitter doesn't comply with internet security law in China, which requires servers in China and content regulation. The same law applies to everyone. If you follow it by the letter, you can operate. Case in point, Apple iCloud, Amazon, Microsoft azure etc. Yes the law itself is highly controversial. I for one would want this law changed. But at least the path for market access is documented. In tiktok case, it didn't break any existing us laws. It has an American office and hires Americans to do security and content monitoring. All data is stored on US soil. It promised to let outside review of data practices and how the algorithm works. There is no clearly spelled out procedure to follow to be allowed operating in the US. I am sure tiktok people are searching in the air for ideas to get themselves allowed to operate. I think thats the difference between fb in China and tiktok in the US.
It's become clear over the past year or so that US policy is essentially to ban Chinese tech companies from the US. ZTE, Huawei, ByteDance, WeChat, and surely more to follow as the election approaches and Trump tries to escalate tensions with China further.
On the other side, American tech companies do massive amounts of business in China.
The relationship is very lopsided, and at some point, China is sure to take action against American tech firms in China.
