On Mon, Dec 17, 2018 at 01:04:37PM -0800, Mark Morrissey wrote: > Hi Paul, > > I am looking at your parallel programming book, 12/5/2018 version. In > formula E.6, you use the floor function rather than the ceiling function. > Is this deliberate or perhaps in error? Good question! The intent is that the "+ s - 1" in the numerator does the upwards part of the rounding, and the floor function does the rest. Or am I missing something here? It should be possible to express this in terms of the ceiling function, though that would be further removed from C code implementing this equation. Adding Alexey and the list on CC. This is on page 423 (PDF page 435) of https://mirrors.edge.kernel.org/pub/linux/kernel/people/paulmck/perfbook/perfbook.2018.12.08a.pdf Thanx, Paul
