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From the front panel or block diagram window of a VI, select File»VI Properties and select Memory Usage from the Category pull-down menu to display this page.

Use this page to display the disk and system memory the VI uses. Memory usage can vary widely, especially as you edit and run the VI. The memory figures include only the amount of memory the VI uses and do not reflect the memory any subVIs use.

Tip  The block diagram usually requires the most memory. When you are not editing the block diagram, save the VI and close the block diagram to free space for other VIs. Saving and closing subVI front panels also frees memory.

This page includes the following components:

• Front Panel Objects—Displays the amount of memory, in kilobytes, that the front panel objects in this VI use. You also can use the Metrics: Size of Front Panel property to display the size of the front panel window programmatically.
• Block Diagram Objects—Displays the amount of memory, in kilobytes, that the block diagram objects in this VI use. You also can use the Metrics: Size of Block Diagram property to display the size of the block diagram programmatically.
• Code—Displays the size, in kilobytes, of the compiled code for this VI. You also can use the Metrics: Code Size property to display the amount of memory the VI uses programmatically.
• Data—Displays the size, in kilobytes, of the data space for this VI. You also can use the Metrics: Total Data Size property to display the size of the data space for this VI programmatically.
• Total—Displays the total amount of memory, in kilobytes, that this VI uses.
• Total VI Size On Disk—Displays the total file size, in kilobytes, for this VI.