Chinese semiconductor industry

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european_guy

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Interesting dive into Biren BR100

"BR100 is a multi-die GPU with two tiles. Each tile has two HBM2E stacks, giving the GPU a total of four HBM2E stacks and 64 GB of DRAM. The tiles and HBM are mounted on top of a gigantic interposer using TSMC’s CoWoS (Chip on Wafer on Substrate) packaging. This advanced packaging technology lets Biren put a 896 GB/s link between the two dies"

It is not only the 7nm node, there is also TSMC proprietary advanced packaging technology here that is an integral part of their secret sauce to excel in benchmarks.

I understand they can't promptly switch to SMIC in case they are banned from TSMC, today or tomorrow. They will be stuck for some time.
 

tokenanalyst

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Bad idea to sell them to a 100% semiconductor fab. SMIC has no experience managing conglomerates, they are mostly horizontally integrated. I'd say Tsinghua Unigroup is the best candidate out of them, with a combination of deep pockets, state background and experience of managing related but distinct companies like Guoxin, UNISOC, YMTC, etc.

Beijing E-Town capital would be another good candidate, they already hold the DUV excimer laser and the precision optics and parts market with their acquisition of RSLaser and CNEPO. and I think they have an investment in CHEERTECH the ones making the immersion subsystem.

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mrandolph

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Interesting dive into Biren BR100

"BR100 is a multi-die GPU with two tiles. Each tile has two HBM2E stacks, giving the GPU a total of four HBM2E stacks and 64 GB of DRAM. The tiles and HBM are mounted on top of a gigantic interposer using TSMC’s CoWoS (Chip on Wafer on Substrate) packaging. This advanced packaging technology lets Biren put a 896 GB/s link between the two dies"

It is not only the 7nm node, there is also TSMC proprietary advanced packaging technology here that is an integral part of their secret sauce to excel in benchmarks.

I understand they can't promptly switch to SMIC in case they are banned from TSMC, today or tomorrow. They will be stuck for some time.

I think that there are two big picture takeaways from the article. First is that Biren, a Chinese startup, goes toe-to-toe with the best NVDIA has to offer (the H100). Second is the use of advanced packaging and smaller tiles. I do not know far behind SMIC is to TSMC when comes to packaging but my impression is that it is a much more equal playing ground compared to lithography.
 

BoraTas

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I will say one thing about Chinese reaction to these sanctions. They have been quite passive and whiny about these sanctions. They probably should be trying to take advantage of them. A good thing to do is to make national security laws that prevent sales of any firms to China that participates in these sanctions. Any firms that cannot sell their best stuff to China should be able to sell anything to China. You can make exceptions on that, but there is no reason for China to buy older generation AMD or Intel chips. The sooner these companies can downsize in China and for those talents to join Chinese competitors, the better it would be for China.
I don't think that's needed at all. That is a very democratic behavior. Democratic governments have to win popularity contests every few years, thus they need drama. Prompt and dramatic responses aren't needed when you don't need to win popularity contests and such behavior is not optimal for statecraft anyway. The real answer will be Americans losing almost 3 trillion Yuan Chinese semiconductor market. You can look at Boeing orders from China, and increased American trade deficit during the trade war as recent examples to see what will happen to American semiconductor companies.
 

manqiangrexue

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Well this is the kind of fanatical paranoia that got the West to the top and keeps it there.
You mean the type of "fanatical paranoia" that caused the US to ignore Huawei until it became the largest telecom company in the world and the dominant leader of 5G? The same one that saw the US start both the trade war and tech war a decade late on each account to do any harm to China? That's not called "fanatical paranoia;" that's called waking up after your boarding time and trying to panic scramble your way to the airport with your toothbrush in your mouth and pants over your shoulders.
I wish Chinese had the same.
We don't. The Chinese have foresight instead and the largest and most impressive STEM pool in the world.
That's what normal people think. Which is also why normal people are... average, and not number one.
Classic I'm-not-crazy-you're-all-crazy take.
The people running the West do think of Huawei not only as a drug cartel, but even worse than a drug cartel because it bested them at something. It's their job to keep the West (10% of the world population) dominating the rest. It's their job to be fanatical, to be crazed, to go beyond what is normal or reasonable. Think of that what you will. But if you aren't willing to be even more fanatical, even more determined, then you won't beat them.
It looks like they went to sleep on the job for a decade to wake up to every screen blaring red warnings.
 

Topazchen

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This commentor on FT captured the it well


"This is a funny industry.

On the one side, you have America. The country produces some of the most important patents behind the technology necessary to both manufacture advanced chips but also manufacture the machines that manufacture the chips themselves… And yet the US does absolutely none of the high-tech manufacturing, and merely retains flash memory manufacturing capabilities that don't hold a candle to the stuff being done in Seoul and Taiwan.

On the other side you have China, a market that is – at this point – a more significant commercial partner to manufacturing firms than America. However, China has neither the patents nor the current capacity to manufacture said high-end chips, and is quickly ramping up its native capacity to stamp out this commercial/military vulnerability.

In the middle of these two titans you have the actual manufacturing countries, the Taiwans and South Koreas of the world, who are being squeezed on one side by an America that is simultaneously denying them sales to their biggest customer while actively subsidizing its own industry (thus representing a potential existential threat to the economic viability of these countries), and from the other side being squeezed by a China that is both their biggest commercial partner but potentially their biggest future commercial competitor given Beijing's rapid growth in semiconductor manufacturing capacity from another – again – subsidized industry.

The only way the middle countries manage to survive the coming onslaught is if the US subsidization efforts fail at creating a competitive local manufacturing industry stateside, whilst they manage to retain access to the American patents that give them a commercial edge over the soon to come Chinese high-tech manufacturing competition.

Otherwise, they stand no chance in a world where the world's two biggest economies compete with one another with subsidized industries for geopolitical goals"
 

tphuang

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Not only SMIC. Huawei joint venture with ICRD, Jiading second phase will start producing in next few months. ICRD have 14nm capability.
That would be great, do you have any links to this? I'd be curious to read. I think Huahong will start 14nm production soon. If ICRD can start 14nm also, then SMIC can move off 14nm and just concentrate on more advanced nodes in their SN1 plant.

Bro you mean the mythical Kirin 9100? :cool:
14nm process for smartphone CPU? That won't be very competitive. The best Huawei can do in the immediate is chips using SMIC's N+2 process. That should start soon.
Interesting dive into Biren BR100

"BR100 is a multi-die GPU with two tiles. Each tile has two HBM2E stacks, giving the GPU a total of four HBM2E stacks and 64 GB of DRAM. The tiles and HBM are mounted on top of a gigantic interposer using TSMC’s CoWoS (Chip on Wafer on Substrate) packaging. This advanced packaging technology lets Biren put a 896 GB/s link between the two dies"

It is not only the 7nm node, there is also TSMC proprietary advanced packaging technology here that is an integral part of their secret sauce to excel in benchmarks.

I understand they can't promptly switch to SMIC in case they are banned from TSMC, today or tomorrow. They will be stuck for some time.
I'm not sure the I agree with that. I'm sure SMIC has their own packaging technology. More importantly, BR100 is using a 7nm process here to get the same performance for AI computation as H100 got with 4nm TSMC process. The transistor density for BR100 is 71 million per mm^2. That's not very dense. Biren working with SMIC's N+2 process or N+2 improved process will be able to pack transistors a lot more tightly into the die.

The other thing is that Biren has been very fast in developing this first chip. It took them 3 years to push a product out to the market that is industry leading. Having recently invested in a promising startup, I can assure you that a good chunk of the first year of a tech startup is just spent getting funding, building relationships and hiring people. So in 3 years, they've managed to get all the necessary funding, attacking partnerships with the biggest players in China, hired up an entire team, developed all their own language (SUPA) for chips, the software support packages for it and developed an industry leading chip design and tested it out. Their next chip should not take 3 more years. I think 1 year (2 year max) would be the time they need to develop a second generation chip using SMIC process. After all, even Phytium was able to design a new server CPU will SMIC N+1 process in a year.

Let's hope they learnt their lesson from the recent news that working with TSMC for future chips is a bad idea and that they need to work with SMIC asap. Until then, they need to stock up as many BR100/104 as possible to not suffer from future sanctions.
 

olalavn

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