• Card 17 / 22: 4. [8 points]: Louis writes a multithreaded program, which produces an incorrect answer some of the time, but always completes. He suspects a race condition. Which of the following are strategies that can reduce or eliminate race conditions in Louis’s program?Separate a multi-threaded program into multiple single-threaded programs (each with its own address space) and share data between them via an inter-program communication primitive like pipes.
    A) True
    B) False

    Answer:
    A) True

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Explanation:

TRUE. Although this approach may slow down the system, it will ensure there are no races. (The threads would no longer share memory, and a race condition can only happen when threads actually share memory.)

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Computer System Engineering 6.033 Spring 2009

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Attribution:  Morris, Robert, and Samuel Madden. 6.033 Computer System Engineering, Spring 2009. (MIT OpenCourseWare: Massachusetts Institute of Technology), http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-033-computer-system-engineering-spring-2009 (Accessed 2 May, 2014). License: Creative Commons BY-NC-SA
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