pdc lecture1

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    What is the primary purpose of parallel systems?

    To enhance computational performance and speed up applications.

    How does parallelism improve CPU performance?

    By using techniques like pipelining and superscalar processing.

    What is a consequence of executing multiple instructions simultaneously?

    It can lead to significant speedup in processing time.

    What challenges do algorithms present in parallel computing?

    They can limit the ability to achieve high concurrency.

    What distinguishes parallelism from concurrency?

    Parallelism involves simultaneous execution, while concurrency is about managing multiple tasks.

    What is a key requirement for coding on parallel hardware?

    A robust understanding of parallelism and its impact on performance.

    Why is a sound theory background important in parallel computing?

    It is essential for developing effective solutions.

    What is a cost associated with parallel hardware?

    Increased expense due to more complex and capable components.

    What happens if a CPU can execute ten instructions concurrently?

    It can potentially achieve a tenfold speedup in processing.

    What forms can parallelism take?

    It can manifest in various ways that affect performance and design.

    What is Parallel Computing?

    Involves using multiple processors for concurrent execution.

    How does parallel computing differ from sequential computing?

    Focuses on concurrency rather than linear execution.

    What must programmers understand for parallel computing?

    Parallel architectures and application redesign.

    What performance considerations exist in parallel environments?

    Concurrency and synchronization must be managed.

    Where is parallel computing commonly applied?

    In commodity computing products like multicore CPUs.

    What types of devices use multicore CPUs?

    Smartphones, tablets, notebooks, and desktops.

    What characterizes supercomputers in the Exascale class?

    Massively parallel systems with extreme performance.

    What is a key application of parallel computing in science?

    Global climate modeling and genomics.

    How is parallel computing used in engineering?

    For structural modeling and fluid dynamics simulations.

    What business applications utilize parallel computing?

    Financial modeling and transaction processing.