Dr. P. Anandan: Four Conditions for Deadlock Quiz

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Why is it recommended to avoid locks in a multi-core processor environment?

Locks limit scalability (correct)

Locks simplify the code

Locks improve performance

Locks ensure thread progress

What is the primary benefit of using a lock-free data structure in a multi-core processor?

Limits performance gains

Guarantees system-wide progress (correct)

Increases parallel execution time

Causes threads to indefinitely wait

How does a non-blocking algorithm differ from a lock-free algorithm?

Decays performance

Guarantees per-thread progress (correct)

Allows threads to be indefinitely blocked

Ensures system-wide progress

In the context of multiprocessing, what is the significance of a lock-free coordination approach?

Facilitates shared data access without blocking threads Signup and view all the answers

Which statement accurately describes a lock-free algorithm in terms of progress guarantee?

System-wide progress is guaranteed Signup and view all the answers

Why is it important to use a non-blocking algorithm in symmetric multiprocessing systems?

Prevents threads from indefinite postponement Signup and view all the answers

Which type of multiprocessing is most susceptible to deadlock?

Symmetric multiprocessing Signup and view all the answers

Which condition for deadlock is NOT addressed by lock-free coordination techniques?

Circular wait Signup and view all the answers

Which multiprocessing system would be least likely to experience a deadlock?

Asymmetric multiprocessing with resource partitioning Signup and view all the answers

When addressing deadlocks in multiprocessing systems, which condition is the most difficult to prevent?

Circular wait Signup and view all the answers

Which type of multiprocessing system would benefit the most from lock-free coordination techniques?

Symmetric multiprocessing with shared resources Signup and view all the answers

What type of multiprocessing is being demonstrated in the provided text?

Symmetric multiprocessing Signup and view all the answers

What is the purpose of the 'TestAndSet' function used in the provided text?

To atomically read and write a value to a variable Signup and view all the answers

What is the result of executing the 'TestAndSet' function in the provided text when the lock variable is already set?

The function returns 1 and the lock variable remains set Signup and view all the answers

What is the significance of the 'lock' variable in the provided text?

It is used to synchronize the execution of multiple processes Signup and view all the answers

What is the main difference between the locking mechanism demonstrated in the provided text and lock-free coordination?

Locking mechanisms use a centralized resource, while lock-free coordination uses a decentralized approach Signup and view all the answers

What is the main advantage of using the Bakery Algorithm over the locking mechanism demonstrated in the provided text?

The Bakery Algorithm is more scalable than locking mechanisms Signup and view all the answers

Dr. P. Anandan: Four Conditions for Deadlock Quiz

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