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feat: Refit: reduce the number of IPC calls by packing weights #589
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    Signed-off-by: Guyue Huang <guyueh@nvidia.com>
      
        
      
      
  
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                    yuki-97
  
              
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                    Jul 2, 2025 
                  
              
              
            
            
              
                    yuki-97
  
              
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Signed-off-by: Guyue Huang <guyueh@nvidia.com>
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           seems there's a flaky unit test #610, I'll look it.  | 
    
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           Hi @guyueh1 , I think you have some numbers of the refit time w/ and w/o your PR, can you paste them in the PR?  | 
    
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           @yuki-666 a reference datapoint: deepseek-v3 refit, the total time for   | 
    
              
                    parthchadha
  
              
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                    Jul 7, 2025 
                  
              
              
            
            
              
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…A-NeMo#589) Signed-off-by: Guyue Huang <guyueh@nvidia.com> Co-authored-by: Parth Chadha <pchadha@nvidia.com> Co-authored-by: yuki <48991475+yuki-666@users.noreply.github.com> Signed-off-by: Jialei Chen <jialeic@google.com>
    
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Signed-off-by: Guyue Huang <guyueh@nvidia.com> Co-authored-by: Parth Chadha <pchadha@nvidia.com> Co-authored-by: yuki <48991475+yuki-666@users.noreply.github.com>
    
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…A-NeMo#589) Signed-off-by: Guyue Huang <guyueh@nvidia.com> Co-authored-by: Parth Chadha <pchadha@nvidia.com> Co-authored-by: yuki <48991475+yuki-666@users.noreply.github.com>
  
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What does this PR do ?
In refit, reduce the number of IPC calls to once per bucket by packing weights.
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