glmfit inside parfor (Iteration limit reached)

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Marzi 2015-10-30

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https://ww2.mathworks.cn/matlabcentral/answers/251943-glmfit-inside-parfor-iteration-limit-reached

编辑： Luca Martello 2016-11-27

I am running the glmfit inside the parfor loop. I have got the following error, however, when I run it inside for loop, I do not get any error. Is there any inconsistency between parfor and glmfit? I should make it parallel in order to save time.

Warning: Iteration limit reached. > In glmfit at 368 In parallel_function>make_general_channel/channel_general at 914 In remoteParallelFunction at 38

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Answer 1

Tushar Sinha 2015-11-3

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https://ww2.mathworks.cn/matlabcentral/answers/251943-glmfit-inside-parfor-iteration-limit-reached#answer_198357

Hi Marzi,

Iteration limit for "glmfit" is set to 100. This is a limitation and you cannot change this value unless you edit the function and change it manually. I work at Mathworks and I have forwarded this to the appropriate product team for consideration.

Meanwhile, you can look at the following MATLAB Answers link which talks about resolving a similar issue by modifying the code for "glmfit":

how-to-increase-iteration-limit-in-glmfit

I hope this helps resolve the issue.

Thanks,

Tushar

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Marzi 2015-11-3

Thank you so much for your response and also further consideration.

I was dealing with iteration limit before. However, this case is different. When I run the glmfit regularly, I would not get the iteration limit warning, however, when I run in within parfor I get this warning which is strange since they are supposed to run independently.

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