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   comp.compilers      Compiler construction, theory, etc. (Mod      2,753 messages   

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   Message 1,484 of 2,753   
   virtuPIC to Stephan Ceram   
   Re: Instruction Scheduling Complexity   
   24 Oct 08 04:50:29   
   
   From: WebMaster@airspace-v.com   
      
   On 30 Sep., 22:57, Stephan Ceram  wrote:   
      
   > Unfortunately, it becomes not clear which complexity a local scheduler   
   > has for a multi-issue processor with a maximal latency of two   
   > cycles. This is exactly what I'm interested in. Do you have an idea   
   > what the complexity might be in that case? (Publications on that topic   
   > are highly welcomed).   
      
   If I remember correctly the problem of scheduling for a multi-issue   
   processor with maximum latency of more than one cycle is NP-complete.   
   Usually heuristical algorithms of run time linear in number of   
   instructions are used.   
      
   Thomas   
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