Warning from using parpool

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Yuguo Yu
Yuguo Yu 2020-5-13
回答： Raghav Bansal 2024-11-26
Hi, MATLAB users and experts around the world:
I recently jumped into the newer version that is 2019b, and I start to get a warning everytime I try to start a parallel pool using parpool.
I am a longtime MATLAB user and I stayed with 2016b for quite a while now. So this is a fresh issue for me. I also want to mention that I do my computation on a cluster and the parallel pool does start correctly. It is just the waning that annoy me and it appears like below:
[Warning: P-file /apps/matlab/R2019b/toolbox/matlab/datatypes/isprop.p is older
than MATLAB file /apps/matlab/R2019b/toolbox/matlab/datatypes/isprop.m.
/apps/matlab/R2019b/toolbox/matlab/datatypes/isprop.p may be obsolete and may
need to be regenerated.
Type "help pcode" for information about generating P-files.]
[> In parallel.Pool.get.Cluster (line 200)
In parallel.Pool (line 392)
In parallel/Pool/hBuildPool (line 586)
In parallel.internal.pool.doParpool (line 18)
In parpool (line 98)
In CN30_nci_1 (line 107)]
I wonder if anyone can help me resolve this issue.
Regards
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Yuguo Yu
Yuguo Yu 2020-5-13
Hi, Walter:
Thanks for commenting on my query, but your suggestion may be out of question, since I do run my simulation on a cluster where I absolutely get no right to install or re-install anything :)...
Regards
Walter Roberson
Walter Roberson 2020-5-13
This is not something that you can fix yourself if you do not have administrative access.

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回答（1 个）

Raghav Bansal
Raghav Bansal 2024-11-26
Hi Yuguo,
Based on the issue, I think this must be an installation issue. I would recommend you to perform a clean installation of MATLAB. To learn more about it, please refer to the following MATLAB Answer:
https://www.mathworks.com/matlabcentral/answers/131519-how-do-i-perform-a-clean-installation-of-matlab
I hope this helps.

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