The Link 0 Panel

The Link 0 panel is used for entering Link 0 commands for the job. It has three subpanels.

g_link0.tif
The Link 0 Panel

This panel specifies a name for the checkpoint file, old checkpoint file and the read-write file, the amount of memory to use for this job, the number of shared memory processors, and/or the locations of Linda workers.

The Options Subpanel

You can specify the various settings via controls in the Options subpanel. The items on the various popup menus have the following meanings (the default choice is starred):

Item
Link 0 Command
Selections
Memory Limit
%Mem
*Don't use: Do not %Mem include in the input file.
value: Use the selected value (in megawords).
Specify: Use the specified value and units (see the example above).
Shared Processors
%NProcShared
*Don't use: Do not include %NProcShared in the input file.
value: Use the selected number of processors.
Specify: Use the value specified in the text field that appears with the option.
Chkpoint File
%Chk
*Default name: Include %Chk with a name derived from the input filename.
Specify: Use the name specified in the input field. Use the ... button to navigate to a file.
Don't save: Do not include %Chk in the input file. See the note below.
OldChk File
%OldChk
*No: Do not include %OldChk in the input file
Default name: Include %OldChk with a name derived from the input filename.
Specify: Use the name specified in the input field. Use the ... button to navigate to a file.
Read-write File
%RW
*Don't save: Do not include %RW in the input file.
Default name: Include %RW with a name derived from the input filename.
Specify: Use the name specified in the input field. Use the ... button to navigate to a file.
Linda Workers
%LindaWorkers

*Don't use: Do not include %LindaWorkers in the input file.
Specify: Use the value specified in the text field.

Note: If you remove the specification for the name and location of the checkpoint file, you will not be able to visualize output automatically from this job.

The Full Path checkboxes control whether an absolute path (checked) or relative path (unchecked) is placed into the %Chk or %OldChk Link 0 command. However, the full path will not appear in the Edit subpanel even when the box is checked. The ... buttons allow you to select a specific file by navigating it it.

The Edit Subpanel

The Edit subpanel allows you to edit the Link 0 commands directly.


The Link 0 Commands Editing Panel

The Default Route Subpanel

The Default Route subpanel shows the contents of the Default.Route file in use. The path to the file is indicated at the top of the panel.


Viewing the Default.Route File

This display is informational only; the file cannot be edited.

See here for a list of equivalent G16 Keywords for Gaussian Calc. Setup selections.