Does Non-Temporal Load/Store Hints have different behavior for WC, WB memory type?
I'm a little confused about the Non-Temporal hints as below, could any expert help to give some comment?
Non-Temporal hints is used for scenario where data maybe used only once. it could help to avoid cache pollution.
1. From <<Intel software develop manual>>, it seems that Non-Temporal hint are mostly apply to memory region of WC(write combine) type, but WC type is inherently un-cacheable. why we still need NT hints ?
2. What's the detail behavior when we use NT hints to load and store.
3. What's the difference when the target memory type is WB and WC?