Specifically:
BusRd notifies all processors the issuing processor is pulling the line into its cache for read-only access, and also fetches the line from memory.
BusRd
BusRdX notifies all processors the issuing processor is pulling the line into its cache for read-write access, and also fetches the line from memory.
BusRdX
BusWB writes a cache line back to memory.
BusWB
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Specifically:
BusRdnotifies all processors the issuing processor is pulling the line into its cache for read-only access, and also fetches the line from memory.BusRdXnotifies all processors the issuing processor is pulling the line into its cache for read-write access, and also fetches the line from memory.BusWBwrites a cache line back to memory.This comment was marked helpful 0 times.