On Fri, Feb 23, 2024 at 12:19:24PM +0000, David Laight wrote: > Since writes get 'posted' all over the place. > How many writes do you need to do before write-combining makes a > difference? The issue is that the HW can optimize if the entire transaction is presented in one TLP, if it has to reassemble the transaction it takes a big slow path hit. Jason
