Computation tab

Use the Computation tab

1. Open the tab by clicking the Computation icon on the left-hand sidebar or selecting the Computation option from the command palette.

   When opened, the tab looks as shown in the image below.

   

2. (Optional) Drag the items on the tab to re-arrange them.

3. The Computation tab provides the following options:

   • Under Cells:

     Option	Description
     Run all	Runs the entire notebook.
     Run selected	Runs selected cells. To select several cells in the editor, press Esc, hold down Shift, and press Up or Down.
     Clear outputs	Clears outputs in all notebook cells.

   • Under Machine:

     Option	Description
     Only on-demand machines	Activates selection of on-demand machines only for notebook computations. Recommended when you expect to have long computations and want to make sure they are not interrupted.
     Machine selection	Changes the machine. Click the arrow next to the machine name and select an option from the menu. Confirm the machine change.
     Machine start/stop	Starts or stops the machine.
     Background computation	Activates background computation and allows to choose a cut-off timer option.

   • Under Kernel:

     Option	Description
     Interrupt/Restart	Interrupts or restarts the kernel. The options are enabled only when there is a running computation.
     Reactive mode	Turns on the reactive mode.

   • Under Background computation:

     Option	Description
     Disabled	Keeps background computation off.
     Turn off after 30 min of inactivity	Enables background computation and sets the machine to shut down after the kernel is in idle state for 30 minutes.
     Turn off after 2 hours of inactivity	Enables background computation and sets the machine to shut down after the kernel is in idle state for 2 hours.
     Turn off after 24 hours of inactivity	Enables background computation and sets the machine to shut down after the kernel is in idle state for 24 hours.
     Never turn off	Enable the mode without time restrictions. The machine keeps running even after the computation is finished or an error occurs.

   • Under Scheduled runs:

     Option	Description
     Scheduling is on/off	Turns on or off scheduled running for the notebook if there is a schedule created.
     Scheduled settings	Click to edit the schedule for the notebook.
     Create schedule	Opens the schedule dialog where you can schedule runs for the notebook. Find more details in Scheduling.