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Parfeval, Backgroundpool and Webread

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Xymbu il 10 Gen 2022
Commentato: Raymond Norris il 17 Feb 2022
I am trying to use parfeval to do a webread on a background pool and it responds with the message...
Invalid default value for property 'UserAgent' in class 'weboptions':Use of function version is not supported on a thread-based worker. Use alternatives supported on the background pool.
which I assume means I can't use webread with the background pool.
is there another way to do this?

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Edric Ellis
Edric Ellis il 10 Gen 2022
Unfortunately, as you suspect, right now the only way to do this is to use a process pool via parpool('local') or similar.
  2 Commenti
Alex Alex
Alex Alex il 17 Feb 2022
The message says that there are alternatives supported on the backgound pool. Could you give a hint what they are? Thank you.
Raymond Norris
Raymond Norris il 17 Feb 2022
As Edric suggests, use a local parallel pool.
pool = parpool("local",1);
f = pool.parfeval(@webread,1,'');

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