How to run two parallel loops which share variables?

Question

ROSHITH SEBASTIAN 2020-3-23

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https://ww2.mathworks.cn/matlabcentral/answers/512385-how-to-run-two-parallel-loops-which-share-variables

评论： ROSHITH SEBASTIAN 2020-3-27

I have to run two loops in parallel which updates an array. The loops share the array and update the values which should be available for both loops.

Pseudo code:

loop 1 : while (true)

update(add) array A

check exit condition

break

end

loop 2: while (true)

update(edit, delete) array A

check exit condition

break

end

Both the loops should run in parallel and the number of iterations of each loop depends of random variables. But the changes made in loop1 should be visible in the next iteration of loop 2 and vice versa.

Can anyone please help me with this.

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Answer 1

Aditya Patil 2020-3-26

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Explicit multiprocessing is not supported in MATLAB. Instead, you can combine the for loops into a single for loop so that the output of one is available to another.

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ROSHITH SEBASTIAN 2020-3-27

At present, I am using a similar approach with a single for loop to have specific checks at diffferent points to execute a block of statements. But, I am wondering if there is a better option to tackle the situation.

Thank you for letting me know that Matlab does not support multiprocessing.

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