Python Multiprocessing Communication via PIpe video 13

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Process communication via Pipe
Python multiprocessing communication
Exchanging object through the communication
Channel PIPE
Process with PIPE
  1. CodingWisdom
  2. Python multiprocessing
  3. pipe
  4. communication channel
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Any tips on plotting data real-time? I'd like to use Pipes (QProcess?) with pyqtgraph, to plot live data coming from the serial port (a total of 8000 points, at 115200 bps). Currently, my problem is the frame rate starts at 60fps but slowly drops as the array grows... less than 3fps after only a few hundred points!

Any thoughts how to maintain performance? Should I be using vispy or matplotlib?

Maybe start with the array that is 8000 elements big, and just always plot all of it, rather than growing the array as the samples arrive?

bennguyen
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Thanks for the video.
I have a question. I have a problem where I want to run a Python3 script from two different linux shells. Although the scrip is the same it gets different arguments when invoked from different shells. I want some communication to happen between these scripts. I am not sure how this can be achieved. Any help/pointers about it will be greatly appreciated. Thanks!

ST-wxvw
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your video is good. but change ugly thumbnail

dumidupramith