Commit 1de9019d authored by mattijs's avatar mattijs
Browse files

ENH: controlDict: extended comment

parent 2238b3bf
......@@ -62,6 +62,15 @@ OptimisationSwitches
floatTransfer 0;
nProcsSimpleSum 0;
// Optional max size (bytes) for unstructured data exchanges. In some
// phases of OpenFOAM it can send over very large data chunks
// (e.g. in parallel load balancing) and some Pstream implementations have
// problems with this. Setting this variable > 0 indicates that the
// data exchange needs to be done in multiple passes, each of maxCommsSize.
// This is not switched on by default since it requires an additional
// global reduction, even if multi-pass is not needed)
maxCommsSize 0;
// Force dumping (at next timestep) upon signal (-1 to disable)
writeNowSignal -1; // 10;
......
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