Advantages and disadvantages of shared memory programming, Computer Engineering

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Q. Show Advantages and Disadvantages of Shared Memory Programming?

Advantages of Shared Memory Programming

Data sharing between processes is both rapid and uniform because of the proximity of memory to CPUs
Insignificant process communication overhead
Global address space offers a user-friendly programming perspective to memory
No need to specify explicitly the communication of data between processes
More intuitive and easier to learn

Disadvantages

Difficult to manage data locality
User is responsible for specifying synchronization e.g. locks
Not portable
Scalability is limited by the number of access pathways to memory

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