On 5/21/21 3:07 PM, Len Brown wrote: > My concern about synchronous allocation is that it will be very easy > to abuse. programs and threads can ask for buffers they will never > use. With on-demand allocation, we allocate buffers only if they are > actually needed. If someone wants to abuse the on-demand allocation, they will simply write a single bit to an AMX register. That does *NOT* mean they will actually execute an instruction that actually uses AMX to do something meaningful. In the face of abuse, I think the two approaches are very similar.