right now, the description / summary of this PR that was merged 11 hours ago gives a good idea of the current state of things:

  
      github.com/pytorch/pytorch
  
  
    
  
    
  

  
    
      sparse tensor operations
    

    
      pytorch:master ← martinraison:sparse
    

    
      
        opened 
        
          
        
        Feb 13, 2017
      
      

      
        
          
          martinraison
        
      

      
        
          +2556
          -271