| 32 | | * Run "VisIt" on local machine and go to "Options" -> "Host profiles…" add "cypress2.tulane.edu" like below: |
| 33 | | [[Image(Visit host set.png)]] |
| | 32 | * Run "VisIt" on local machine and go to "Options" -> "Host profiles…" |
| | 33 | * Click [New Host] and edit like below: |
| | 34 | * Set ''Host nickname'' as you like. |
| | 35 | * ''Remote host name'' must be "cypress1.tulane.edu" or "cypress2.tulane.edu". |
| | 36 | * Set Path to visit installation. |
| | 37 | * Note that "/share/apps/visit/2.9.2" is where VisIt is installed on cypress. This may be changed in the future. Use "module avail" command to see which version is available on cypress. |
| | 38 | * The current version is 2.9.2 so you have to use visit 2.9.* on local machine. |
| | 39 | * Set ''Username''. This is your login ID for Cypress. |
| | 40 | * Check on ''Tunnel data connection through SSH'' |
| | 41 | * Click [Apply]. |
| | 42 | [[Image(VisItCypress1.png, 50%)]] |
| 35 | | * Note that "/share/apps/visit/2.9.2" is where VisIt is installed on cypress. This may be changed in the future. |
| 36 | | * The version is 2.9.2 so you have to use visit 2.9.*. |
| 37 | | * After setup, do not forget to save : Go to "Options" -> "Save Settings". |
| 38 | | * One setup and saved, you don't have do this again. |
| 39 | | * To read data on cypress, "Open" and choose a Host, there must be "cypress2.tulane.edu" on the list. |
| 40 | | * You may be asked typing password every time you read data. |
| | 44 | |
| | 45 | ===== Serial Rendering ===== |
| | 46 | This set up VisIt to render objects with one process. |
| | 47 | * Select on [Launch Profile] tab. |
| | 48 | * Click [New Profile] and select [Setting] tab. Give a name on ''Profile name''. |
| | 49 | * Select [Parallel] tab and check ''Launch parallel engine''. |
| | 50 | * Select [Launch] tab and set '''srun''' on ''Parallel launch method''. |
| | 51 | * Set Numbers of processors and nodes 1. |
| | 52 | * Click [Apply]. |
| | 53 | [[Image(VisItCypressSerial.png, 50%)]] |
| | 54 | * After setup, do not forget to save : Go to "Options" -> "Save Settings". |
| | 55 | * Once setup and saved, you don't have do this again. |
| | 56 | |
| | 57 | ===== Parallel Rendering ===== |
| | 58 | This set up VisIt to render objects with multiple processes on multiple nodes. |
| | 59 | * Select on [Launch Profile] tab. |
| | 60 | * Click [New Profile] and select [Setting] tab. Give a name on ''Profile name''. |
| | 61 | * Select [Parallel] tab and check ''Launch parallel engine''. |
| | 62 | * Select [Launch] tab and set '''sbatch/mpirun''' on ''Parallel launch method''. |
| | 63 | * Set Number of processors, this is the total processors. |
| | 64 | * Set Number of nodes. |
| | 65 | * The example below sets Number of processors is 20 and Number of nodes is 2. This will use 2 nodes and 20 processes in total; 10 processes for each node. |
| | 66 | [[Image(VisItCypressParallel1.png, 50%)]] |
| | 67 | * Select [Advanced] tab. |
| | 68 | * Check ''Launcher arguments''. This is the parameters for SLURM queuing system. |
| | 69 | * In the example below, requesting 64G of RAM and 10 tasks (processes) per node. |
| | 70 | * Check ''Sublauncher pre-mpi command'' and set '''module load intel-psxe/2015-update1 visit'''. This is important to launch MPI tasks. |
| | 71 | [[Image(VisItCypressParallel2.png, 50%)]] |
| | 72 | |
| | 73 | * After setup, do not forget to save : Go to "Options" -> "Save Settings". |
| | 74 | * Once setup and saved, you don't have do this again. |
| | 75 | |
| | 76 | * To read data on cypress, "Open" and choose a Host, there must be "cypress" on the list. |
| | 77 | * You may be asked typing password every time you read data if you haven't set up passwordless ssh login. |
