| !Subfront initialization functions |
| ... |
| ! Initialize Zoltan library |
| Zoltan_Initialize() |
| Zoltan_handle=Zoltan_Create(Subfront_Comm) |
| Zoltan_Set_Param(Zoltan_handle,"LB_METHOD", "RCB") |
| |
| ! Initialize bubbles as per fixed-mapping strategy |
| Initial_Bubble_Distribution() |
| |
| ! Zoltan RCB bubble partitioning, it returns |
| ! Number of bubbles to import/export and their IDs, |
| ! process IDs for import/export, boolean flag showing |
| ! whether partition was updated |
| Zoltan_LB_Partition(...) |
| |
| ! Initial bubble redistribution and load balancing |
| do for each bubble to be exported |
| Deallocate bubble memory and data structures |
| end do |
| |
| do for each bubble to be imported |
| Allocate bubble memory and initialize data structures |
| end do |
| |
| ! Subfront main loop |
| do for each timestep |
| ! Subfront calculations |
| ... |
| ! Dynamic load balancing and bubble redistribution |
| if iteration==load balancing iteration |
| Zoltan_LB_Partition(...) |
| if partition updated |
| do for each bubble to be exported |
| Send bubble to the appropriate process |
| Deallocate bubble memory and data structures |
| end do |
| do for each bubble to be imported |
| Allocate bubble memory |
| Receive bubble from appropriate process |
| Initialize bubble data structures |
| end do |
| end if |
| end if |
| end do |
