PC gets loaded when trying to display large data in graph

PC gets loaded when i try to display large data in the graph, the shift register holding the data eats up all my virtual memory ,so my pc gets hangs,any ways to refresh the virtual memory using labview. The chart also cannot be replaced.

Bharani wrote:
The data size is appox 200 MB or more. The data is acquired in I32 format and store in file. During the playback , the file is read according to the sampling rate, converted to ascii ,send to Daqmx write and Graph simultaneously. In graph portion, the array holds(using shift register) all the data in the graph.This holding the data loads the PC.Is there any way to refresh the virtual memory using labview.
Is there really a good reason to send 200MB worth of I32 data to a graph? NO! Your graph most likely does not have more than about 1000 pixels across!
Most likely, you have multiple copies if the data in memory. Do you convert the entire 200MB data to ASCII or each data point as needed? Have you done some profiling? What is the memory usage in "VI properties..Memor Usage"? Do you use local variables?
Your best bet would be to analyse you code to optimize memory usage, avoid data copies, etc. Please attach you code so we can give some advice.
LabVIEW Champion . Do more with less code and in less time .

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