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5.4

thread problem

Asked by Wanderinglazyeye in C++ Programming Language

I have a thread that seems to work just fine. Its only skeleton code and I have verified that it is working. Problem is, even without additional code put into the thread, the CPU usage jumps from 11% to 99% with the operating thread. I don't know why this is occuring and do not know how to evaluate the problem. Secondly, I'm not even sure I need a thread. So far I have been using a thread to begin machine vision processing of a picture while the call returns to the camera to take another picture, which has been fine except for the unacceptable processor commitment.

To summarize,

1. how to evaluate the problem of thread CPU usage
or
2. is there simply a different way to parallel process without using a thread. I want to take a picture and machine vision process it, but I want to begin MV processing WHILE the picture taking call ends and tells the camera to take another. In this field the camera API usually takes longer than MV processing, so process while you tell the camera to get another picture.

Thanks, WLE

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20091111-EE-VQP-89 / EE_QW_2_20070628

thread problem

Asked by Wanderinglazyeye in C++ Programming Language

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