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decomposePar -fileHandler uncollated

@mark suggested I test with v2106 and open an issue, so here it is.

Summary

decomposePar does not respect the uncollated filehandler request

Steps to reproduce

as an example, I've tested it with the ellipsekkLOmega tutorial: run the tutorial, but add this at the end of the controlDict:

OptimisationSwitches
{
    fileHandler collated;
    maxThreadFileBufferSize 1e9;
}

then run decomposePar -fileHandler uncollated

it will still decompose into a single directory, namely processors8, as for collated

Environment information

  • OpenFOAM version : v2106

Possible fixes