How could the physical communications channel, used in Figure 9.4 for transferring messages between different CPU cores, be implemented in practice? What are the pros and cons of those alternative implementations?

Class discussion : Could the physical communications channel become a bottleneck for the synchronization and intertask communication services offered by the system task?

Figure 9.4 

Transcribed Image Text:

Task 1 Task 2 Message Buffer 1 "Message Delivered" System Task Message Center Simultaneous Delivery Message Buffer 2 "Broadcast to 2, 3, 4" "Message Requests from 1" Task 3 Message Buffer 3 Task 4 Message Buffer 4