Reading Assignment 1

Introduction to parallel Computing

Write your answers in a PDF and upload the document on Gradescope for submission. The due date is given on Gradescope. Each question is worth 10 points.

Please watch the videos 02 through 05 and the slides before answering the questions:

• 02 Why Parallel Computing; Video
• 03 Top 500; Video
• 04 Example of Parallel Computation; Video
• 05 Shared memory processor; Video
• Slides

Answer these questions:

1. Describe some differences between multicore and manycore processors.
2. What is the no. 2 supercomputer in the Top 500 list currently?
3. Which supercomputer in the Top 500 list has the greatest power efficiency in Gflops/watts? What is its power efficiency?
4. Give a definition of NUMA.
5. What is the difference in latency between the L1 and the L3 cache? Use the estimates from the lecture to answer.