Become a fan of Slashdot on Facebook

 



Forgot your password?
typodupeerror
×
AMD China

China Begins Production Of x86 Processors Based On AMD's IP (tomshardware.com) 189

Chinese-designed "Dhyana" x86 processors based on AMD's Zen microarchitecture are beginning to surface from Chinese chip producer Hygon. From a report: The processors come as the fruit of AMD's x86 IP licensing agreements with its China-based partners and break the decades-long stranglehold on x86 held by the triumvirate of Intel, AMD and VIA Technologies. Details are also emerging that outline how AMD has managed to stay within the boundaries of the x86 licensing agreements but still allow Chinese-controlled interests to design and sell processors based on the Zen design.

AMD's official statements indicate the company does not sell its final chip designs to its China-based partners. Instead, AMD allows them to design their own processors tailored for the Chinese server market. But the China-produced Hygon "Dhyana" processors are so similar to AMD's EPYC processors that Linux kernel developers have listed vendor IDs and family series numbers as the only difference. In fact, Linux maintainers have simply ported over the EPYC support codes to the Dhyana processor and note that they have successfully run the same patches on AMD's EPYC processors, implying there is little to no differentiation between the chips.

This discussion has been archived. No new comments can be posted.

China Begins Production Of x86 Processors Based On AMD's IP

Comments Filter:
  • Triumvirate?! (Score:4, Interesting)

    by aaarrrgggh ( 9205 ) on Monday July 09, 2018 @10:29AM (#56916926)

    Does Via Technologies still exist?

    I guess the bigger question is really if x86 should be the basis for a new processor initiative from China.

    • I'm guessing that they still need PCs, which they then preload w/ whichever pirated version of Windows is popular w/ their base. As for Via, no idea, but that would beg the question of who inherited the Cyrix/Centaur IP

      • Re:Triumvirate?! (Score:4, Informative)

        by TeknoHog ( 164938 ) on Monday July 09, 2018 @10:44AM (#56917046) Homepage Journal

        As for Via, no idea, but that would raise the question of who inherited the Cyrix/Centaur IP

        FTFY. It seems they continue to sell their CPUs, though these designs and processes don't look exactly new. https://www.viatech.com/en/sil... [viatech.com]

      • by Anonymous Coward

        The latest iteration is part of a joint venture between the Shanghai government in mainland China and the Taiwanese VIA: https://en.wikipedia.org/wiki/Zhaoxin

        They still come out with interesting new chips, but are rarely seen in the west.

      • As for x86, there is also DMP. No x86_64 from them though. I kinda liked the surfboard computer that had everything in a standard keyboard and the gecko edubook that ran on regular AA batteries (rechargeable ones typically). They're kinda slow, but that's on an older process. I've often wondered how efficient/fast an old school 2/3/4-86 could be if it were redesigned for current fab processes. I think I still have a Debian Woody CD around somewhere.
        • Although an 80486 on a modern process could have a blazing fast clock, it wouldn't be effective speed competition for a modern processor due to small cache and poor instructions-per-clock. For most programs, memory bandwidth would be a limiting factor.

          Optimized for efficiency at a moderate clock speed, it would be an interesting product, but probably not competitive against a system-on-chip.

    • Re: (Score:3, Insightful)

      by Tablizer ( 95088 )

      bigger question is really if x86 should be the basis for a new processor initiative

      China may be hedging its bets by investing in both kinds of CPUs: x86 and ARM.

      Some argue x86 is dying, but x86 has more server-centric features than ARM, and is thus is still popular for server farms. (At least the x86 server features are more mature.)

      I wonder if GPU's will overtake both of these, or at least push x86 and ARM into being mostly coordinators. Perhaps the market will shift to specialized chip-sets for AI, databa

      • Interesting considerations. What "server-centric features"?

        Other thoughts: What will happen in the future? If most manufacturing is done in China, will the U.S. become a poorer country?
        • When it comes to Xeon, the various cache levels are higher per core.

          Also you can expand the system to dual, 4x or 8x processor packages, allocate way more memory, have more PCIe lanes to drive high volume IO, etc etc.... Though those aren't all x86, just the server side, which is why they dominate there.

      • Maybe not for long. HPE announced work on ARM based supercomputer: https://www.zdnet.com/article/... [zdnet.com]
      • by Agripa ( 139780 )

        I wonder if GPU's will overtake both of these, or at least push x86 and ARM into being mostly coordinators.

        GPUs will not necessarily do this but specialized function units in some form will. This fits with the whole dark silicon [wikipedia.org] thing.

        Perhaps the market will shift to specialized chip-sets for AI, databases, graphics, etc., and x86 or ARM will mostly function as process coordinators which dish out specific tasks to specialized CPUs.

        This has already happened where dedicated hardware offers a performance advantage however Amdahl's law [wikipedia.org] means that high single thread performance does not become less important.

    • Yes, and they're partnering with Chinese firm Zhaoxin to design a new x86 CPU microarchitecture.
    • Re:Triumvirate?! (Score:5, Interesting)

      by AmiMoJo ( 196126 ) on Monday July 09, 2018 @11:12AM (#56917292) Homepage Journal

      x86 turned out to be good even though it's crap, at least for high performance applications.

      People thought that RISC was the way forward for performance, because you could make simpler hardware that would allow higher clock frequencies and more parallelism. But it turned out that you could use CISC instruction sets like x86 as an intermediate language that you recompiled on the fly, optimizing for each specific CPU and even the other threads executing in parallel in a way that no compiler ever could.

      So for performance x86 is great, even if it's not really what x86 CPUs actually execute internally. For power consumption RISC is much better, as we have seen with ARM.

      Of course all this is talking generally, for specific applications the answer might differ.

    • Does Via Technologies still exist?

      Does the google search engine still exist?

      I guess the bigger question is really if x86 should be the basis for a new processor initiative from China.

      Why not? They copy pretty much everything else so why stop now?

    • haha, "there are three (and growing) number of companies making this thing" .

      "oh goody, I get to use the word triumvirate!"

      Pfff, the truth is that other companies can make x86-64 compatible chips. Soon five at least will be making them.

    • Yes. They're producing processors with the Chinese government.

      https://en.wikipedia.org/wiki/... [wikipedia.org]

  • Intel is fucked as they not even ok for china to copy them.

    • by drnb ( 2434720 ) on Monday July 09, 2018 @10:47AM (#56917082)

      Intel is fucked as they not even ok for china to copy them.

      More likely AMD is f'd if they felt desperate enough to engage in this short term benefit deal with long term negative consequences.

      • AMD was f'd, so they mortgaged the future with this deal. They got $250M from this deal, which let them ship Ryzen in a timely manner. They may regret it later, but without the cash infusion they wouldn't have had a future to regret.

      • Yeah, how long before their Chinese "partner" drops the deal, claims the patents as their own, and sues AMD for infringing?
  • One consumer cpu can do math.
    Time for the 1980's NSA and its consumer chip super computer contractor adventures.
    Buy 100000's more consumer CPU from contractors and enjoy doing more maths. With many more low cost consumer CPU's. They are for consumers so the cost is low.
    Buy more CPU's from the contractor and the maths is faster again.
  • translation: fabs owned by fairly high ranked party officials' brothers-in-law and making timely deposits to Panamanian accounts.

  • x86-64? (Score:2, Interesting)

    by reanjr ( 588767 )

    I assume they're talking about x86-64, which is modern AMD technology, and not actually the x86, which is decades old Intel technology. I can't imagine anyone would want to build x86s for anything but legacy devices.

  • by unixisc ( 2429386 ) on Monday July 09, 2018 @10:41AM (#56917020)

    Two questions arise: if they have licensed AMD's Zen architecture, does that allow them to support Intel's x32, which is the cross licensing exclusive that Intel and AMD have (or at least had), which allowed Intel to use AMD64 and AMD to use IA32? Or have we come to the point where it's no longer necessary to support 32-bit in x64?

    As for AMD, this is the only way they can gain any significant marketshare anywhere - by taking their China partners and selling into China. In fact, those Chinese partners might as well acquire AMD directly, and make it all their own.

    • Re: (Score:2, Informative)

      by Anonymous Coward

      AMD holds a 51 percent stake in HMC... HMC owns the x86 IP and ends up producing the chips, which satisfies the AMD and Intel x86 cross-licensing agreements because the IP remains with a company owned primarily by AMD. ... To stay within the legal boundaries, HMC licenses the IP to Hygon, which designs the x86 chips and then sells the design back to HMC. HMC then employs a foundry to fab the end product (likely China Foundries or TSMC). Confusingly, HMC then transfers the chips back to Hygon (the same compa

    • Those patents are long dead and SSE(2) that make up the basis of X86_64 will be by the time the chips get to market if they aren't already.
    • China IP laws make it so they don't need intel to say it's ok.

    • by DMJC ( 682799 )
      IA-32 Patents have all expired, shouldn't be anything holding back using it.
  • Good! AMD and Intel need competition in x86 chips. Duopolies usually provide narrow choices, and consumers can't do squat about it (big telecoms cough cough).

  • by account_deleted ( 4530225 ) on Monday July 09, 2018 @11:06AM (#56917252)
    Comment removed based on user account deletion
    • AMD is in control, they are doing the design, they are just having another company they partly own do the FAB work, thus they stay contractural with Intel.
      Just like Apple uses Samsung FAB for its SOCs. The article even says the security updates for the eypc cpus are almost exact for the Chinese version of the chips.

      This is actually good, it means the technology flows from the USA into China, and they keep buying and using our technology. We want them dependant on our designs and not clone our chip

      • by drnb ( 2434720 )

        AMD is in control, they are doing the design, they are just having another company they partly own do the FAB work, thus they stay contractural with Intel.

        No. There is a front company, HMC, which owns the IP and satisfies the Intel/AMD IP agreement. However there is another company, Hygon, which AMD is not in control of. HMC has licensed the IP to Hygon, Hygon does the design. HMC even sells the manufactured CPUs to Hygon. HMC is a facade, it will not be where profits are realized. HMC is not really in control of the IP since it has licensed it to Hygon, and again, Hygon is doing the design not HMC.

        Within 5 years an ecosystem will be developed around Hygon

      • by Khyber ( 864651 )

        "This is actually good, it means the technology flows from the USA into China, and they keep buying and using our technology. We want them dependant on our designs and not clone our chips and go off on their own designs."

        I can tell you've never done any real business with China. They're going to steal this ASAP.

    • Foreign companies are required to form joint ventures if they want to do business in China and there's usually "forced" transfer of IP. More often than not, the IP ends up getting stolen.

  • What features do these chips have? What's the clock rate? What are some benchmark scores?

    Financially, it makes a lot of difference if these Chinese CPUs are actually competitive.

  • Do they come with the original American backdoors, or do they have their own Chinese version?

    • by Tablizer ( 95088 )

      Do they come with the original American backdoors, or do they have their own Chinese version?

      What if both end up in there and the chip gets stuck in a loop trying to eavesdrop on each other? Reminds me of the Space Balls scene when the baffled Commander accidentally spies on himself.

  • I'm sure it isn't that difficult to copy a chip once you have the mask of it but the question is do they understand how that chip supposedly works? A lot of actual chip design is computer based and learning how that works can take years? It means they can make copies but not necessarily advance the design.

Do molecular biologists wear designer genes?

Working...