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fileHandler::collatedFileOperation: Added useful message concerning threading control

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This commit is contained in:
Henry Weller 2017-07-07 20:49:53 +01:00
parent 611f2da837
commit 5f1a8f824b
1 changed files with 22 additions and 0 deletions
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22
src/OpenFOAM/global/fileOperations/collatedFileOperation/collatedFileOperation.C
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@ -183,6 +183,27 @@ Foam::fileOperations::collatedFileOperation::collatedFileOperation
Info<< "I/O : " << typeName
<< " (maxThreadFileBufferSize " << maxThreadFileBufferSize
<< ')' << endl;
if (maxThreadFileBufferSize == 0)
{
Info<< " Threading not activated "
"since maxThreadFileBufferSize = 0." << nl
<< " Writing may run slowly for large file sizes."
<< endl;
}
else
{
Info<< " Threading activated "
"since maxThreadFileBufferSize > 0." << nl
<< " Requires thread support enabled in MPI, "
"otherwise the simulation" << nl
<< " may \"hang\". If thread support cannot be "
"enabled, deactivate threading" << nl
<< " by setting maxThreadFileBufferSize to 0 in "
"$FOAM_ETC/controlDict"
<< endl;
}
if
(
regIOobject::fileModificationChecking
@ -192,6 +213,7 @@ Foam::fileOperations::collatedFileOperation::collatedFileOperation
WarningInFunction
<< "Resetting fileModificationChecking to inotify" << endl;
}
if
(
regIOobject::fileModificationChecking