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

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   Message 129,336 of 131,241   
   John Ames to Lawrence D'Oliveiro   
   Re: VAX   
   07 Aug 25 08:38:56   
   
   XPost: alt.folklore.computers   
   From: commodorejohn@gmail.com   
      
   On Thu, 7 Aug 2025 02:22:05 -0000 (UTC)   
   Lawrence D'Oliveiro  wrote:   
      
   > That disparity between CPU and RAM speeds is even greater today than   
   > it was back then. Yet we have moved away from adding ever-more-complex   
   > instructions, and are getting better performance with simpler ones.   
   >   
   > How come? Caching.   
      
   Yes, but complex instructions also make pipelining and out-of-order   
   execution much more difficult - to the extent that, as far back as the   
   Pentium Pro, Intel has had to implement the x86 instruction set as a   
   microcoded program running on top of a simpler RISC architecture.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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