Navigation : 
        
          
    
   Manual 
    
   Input Variables  
    
  - 
   Atomic Orbitals 
    
  - 
   Calculation Modes 
    
  - 
   ClassicalParticles 
    
  - 
   DFTBPlusInterface 
    
  - 
   Execution  
    
  -- 
   Accel 
    
  -- 
   Debug 
    
  -- 
   IO 
    
  -- 
   Optimization  
      --- HamiltonianApplyPacked 
      --- MemoryLimit 
      --- MeshBlockSize 
      --- MeshOrder 
      --- NLOperatorCompactBoundaries 
      --- OperateAccel 
      --- OperateComplex 
      --- OperateComplexSingle 
      --- OperateDouble 
      --- OperateSingle 
      --- ProfilingAllNodes 
      --- ProfilingMode 
      --- ProfilingOutputTree 
      --- ProfilingOutputYAML 
      --- StatesBlockSize 
      --- StatesCLDeviceMemory 
      --- StatesPack 
  
    
  -- 
   Parallelization 
    
  -- 
   Symmetries 
    
  -- 
   Units 
      -- FromScratch 
  
    
  - 
   Hamiltonian 
    
  - 
   Linear Response 
    
  - 
   Math 
    
  - 
   Maxwell 
    
  - 
   MaxwellStates 
    
  - 
   Mesh 
    
  - 
   Output 
    
  - 
   SCF 
    
  - 
   States 
    
  - 
   System 
    
  - 
   Time-Dependent 
    
  - 
   Utilities 
    
  - 
   Alphabetic Index 
  
    
   Tutorials 
    
   Developers 
    
   Releases 
         
       
    
    
    HamiltonianApplyPacked 
    
    
    
    
HamiltonianApplyPacked 
Section  Execution::Optimization  
Type  logical 
Default  yes 
 
If set to yes (the default), Octopus will ‘pack’ the
wave-functions when operating with them. This might involve some
additional copying but makes operations more efficient.
See also the related StatesPack  variable.