can anyone explain what is load buffer and how it's different from invalidation queues. and also difference between store buffers and write combining buffers? The paper by Paul E Mckenny http://www.rdrop.com/users/paulmck/scalability/paper/whymb.2010.07.23a.pdf explains very nicely about the store buffers and invalidation queues but unfortunately doesn't talk about write combining buffers

architecture hardware intel cpu-architecture
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