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   comp.arch      Apparently more than just beeps & boops      131,241 messages   

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   Message 130,359 of 131,241   
   Anton Ertl to Waldek Hebisch   
   Re: Multi-precision addition and archite   
   26 Nov 25 07:53:49   
   
   From: anton@mips.complang.tuwien.ac.at   
      
   antispam@fricas.org (Waldek Hebisch) writes:   
   >Anton Ertl  wrote:   
   >IIUC Chinese bought rights to use MIPS architecture   
   >and that goes on.   
      
   None are known to me.  LoongSon originally implemented MIPS, but,   
   according to :   
      
   |Loongson moved to their own processor instruction set architecture   
   |(ISA) in 2021 with the release of the Loongson 3 5000 series.   
      
   This instruction set is called LoongArch, and while it is similar to   
   MIPS, RISC-V, Alpha, DLX, Nios, it is different enough that Bernd   
   Paysan wrote a separate assembler and disassembler for it   
      
   rather than copying and modifying the MIPS assembler/disassembler.   
      
   >It seems that main Chinese bet is on RISC-V.  They manufacture   
   >a lot of ARM-s, but are not entirely comfortable with it.   
      
   It seems to me that different companies in China use different   
   architectures.  Huawei on ARM, Loongson on Loongarch, some on RISC-V   
   etc.   
      
   That also seems to be the Chinese approach to other technologies:   
   E.g., they build solar power, coal power, wind power, nuclear power,   
   hydro power, etc.; and in nuclear power, they built a few of every   
   kind of Generation III reactor on the market before developing their   
   own their own designs, some of them based on the Westinghouse AP-1000,   
   others (Hualong One) based on earlier Chinese Generation II designs.   
   They are also experimenting with Generation IV and SMR designs.   
      
   So, at least in technology, the CP does not pretend to know what's   
   best.   
      
   - anton   
   --   
   'Anyone trying for "industrial quality" ISA should avoid undefined behavior.'   
     Mitch Alsup,    
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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