DS 642 Lecture 3: Parallel Computing Applications

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What is the main purpose of pipelining in computing?

To decrease latency by executing multiple tasks simultaneously

In the Laundry example given by Dave Patterson, what is the total time taken for sequential execution of 4 loads of laundry?

6 hours

What is the total time taken for pipelined execution of 4 loads of laundry in Dave Patterson's Laundry example?

3.5 hours

How does pipelining affect the bandwidth in the Laundry example?

<p>Increases bandwidth</p> Signup and view all the answers

What is the main difference between sequential execution and pipelined execution in Dave Patterson's Laundry example?

<p>Pipelined execution allows simultaneous task processing</p> Signup and view all the answers

How does pipelining contribute to optimization in matrix multiplication according to the lecture?

<p>Enhances parallelism and reduces execution time</p> Signup and view all the answers

In Dave Patterson's Laundry example, what is the total time taken for sequential execution of 4 loads of laundry?

<p>6 hours</p> Signup and view all the answers

What is the total time taken for pipelined execution of 4 loads of laundry in Dave Patterson's Laundry example?

<p>3.5 hours</p> Signup and view all the answers

How does the bandwidth change with pipelining in Dave Patterson's Laundry example?

<p>Increases from 4/6 loads per hour to 4/3.5 loads per hour</p> Signup and view all the answers

What is the latency for wash, dry, and fold tasks in Dave Patterson's Laundry example?

<p>30 min, 40 min, 20 min</p> Signup and view all the answers

What does Instruction Level Parallelism (ILP) refer to in the context of parallel computing discussed in the lecture?

<p>Parallelism within a single processor achieved by executing multiple instructions at the same time</p> Signup and view all the answers

What is the purpose of SIMD units in parallel computing based on the content provided?

<p>To perform the same operation on multiple data elements simultaneously</p> Signup and view all the answers

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