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6 Cards in this Set
- Front
- Back
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What are the two scenarios where multithreading does not provide better performance than a single threaded solution when run on a machine where the number of available cores is greater than the number of threads in the multi-threaded solution.
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-I/O bound program
-User-level threads |
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What are the two models of interprocess communication?
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-Message Passing
Well defined interface between processes Synch naturally handled between messages Slower due to extra overhead. -Shared Memory Fast Harder to program. |
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What is the Pthread function call to initialize a thread and begin its execution.
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Pthread_create()
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What is the pthread function call that waits for the thread to exit, reads the thread's return value, and cleans up its resources?
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pthread_join()
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Which pthread function call causes the resources for the thread to be automatically released when the thread completes.
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pthread_detach()
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How do Linux threads differ from UNIX threads?
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Linux threads are processes. Linux chooses to use the clone() function to implement both pthreads and fork().
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