From: user5857@newsgrouper.org.invalid   
      
   Thomas Koenig  posted:   
      
   > https://old.chipsandcheese.com/2025/08/29/condors-cuzco-risc-v   
   core-at-hot-chips-2025/   
   > has an interestig take on how to do OoO (quite patented,   
   > apparently).  Apparently, they predict how many cycles their   
   > instructions are going to take, and replay if that doesn't work   
   > (for example in case of an L1 cache miss).   
      
   After thinking about this for weeks, I came to the conclusion   
   that this is not an OoO scheduling mechanism, but a minimally-   
   partial-ordering mechanism.   
      
   > Sounds interesting, I wonder what people here think of it.   
   >   
   > This made me wonder about the number of cycles cache reads for the   
   > different levels take on CPUs with variable frequency.  Do modern   
   > CPU use fewer cycles to access, for example, L2, when the frequency   
   > is lower?   
      
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