On Tuesday, 19 December 2017 at 10:24:47 UTC, Vino wrote: > > foreach (d; taskPool.parallel(xxx,20)) : As in Windows 2008 > whatever value is set for the parallel the total number of > threads does not increase more than 12. > > So not sure if this is correct, so can any one explain me on > same. > something to do with your cacheLineSize perhaps?