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Disable the automatic distribution of definitions:
Distribute the definition of a function:
Use the function on the parallel subkernels:
The symbol f appears in the list of all distributed symbols:
Clear the distributed definitions:
The function is no longer known on the subkernels; it is evaluated only after being returned:
The symbol f no longer appears in the list of all distributed symbols:
Scope (1)Make various types of definitions for a set of symbols:
Distribute the definitions to all parallel subkernels:
All symbols appear in the list of distributed symbols:
Clear the distributed definitions of the symbol f:
f no longer appears in the list of distributed symbols:
Clear the distributed definitions of several symbols:
Clear the distributed definitions of all remaining symbols:
There are no symbols with distributed definitions left:
Possible Issues (3)By default, symbols in the current context are automatically distributed:
Clearing the distributed definitions may seem to work:
As soon as mat is used again in a parallel computation, its definition will be distributed automatically again:
Disable automatic distribution of definitions if you wish to control distribution of definitions manually:
The definition of a has not been distributed to parallel subkernels:
Distribute the definition of a manually:
Wolfram Research (2024), ClearDistributedDefinitions, Wolfram Language function, https://reference.wolfram.com/language/ref/ClearDistributedDefinitions.html. TextWolfram Research (2024), ClearDistributedDefinitions, Wolfram Language function, https://reference.wolfram.com/language/ref/ClearDistributedDefinitions.html.
CMSWolfram Language. 2024. "ClearDistributedDefinitions." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/ClearDistributedDefinitions.html.
APAWolfram Language. (2024). ClearDistributedDefinitions. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ClearDistributedDefinitions.html
BibTeX@misc{reference.wolfram_2025_cleardistributeddefinitions, author="Wolfram Research", title="{ClearDistributedDefinitions}", year="2024", howpublished="\url{https://reference.wolfram.com/language/ref/ClearDistributedDefinitions.html}", note=[Accessed: 17-August-2025]}
BibLaTeX@online{reference.wolfram_2025_cleardistributeddefinitions, organization={Wolfram Research}, title={ClearDistributedDefinitions}, year={2024}, url={https://reference.wolfram.com/language/ref/ClearDistributedDefinitions.html}, note=[Accessed: 17-August-2025]}
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