Examination, Semester 1, 2022 Total Duration: 150 mins 

Students sitting online exams are given 20 mins after the exam to be used only for scan & upload Answer all 4 questions Each question will be worth between 20 and 25 marks Instructions • Begin each question on a new page • Examination material must not be removed from the examination room • Open book exam, materials permitted o Lecture notes o Dictionaries o Textbooks o Calculators (Graphics and Standard) o Answers to workshops, tutorial questions and quizzes Parallel and Distributed Computing Comp Sci 3305 and 7305 Combined DO NOT COMMENCE WRITING UNTIL INSTRUCTED TO DO SO QUESTION 1 Notes: • This section is mainly based on analysing results of running programs on parallel systems • Expect to deal with things such as: ◦ speedup/efficiency ◦ Amdahl's law ◦ weak/strong scalability ◦ analysing what the results suggest about the program or the system it is run on [TOTAL 20 to 25 marks] QUESTION 2 Consider each of the statements below. State whether the statement is true or false, then write no more than one line of explanation for your answer. Your explanation must be concise. If you believe that the statement is false, explain why. If you think it is true, provide some useful additional information about the statement. Each statement can attract a maximum of 2 marks, 1 for true or false and 1 for explanation. Notes:  You will be given between 10 to 12 statements to consider  Statements are designed to test your thinking and understanding – not just look-up or recall  A statement should be considered false if any part of the statement is false  A statement should be considered true only if all parts of the statement are true [TOTAL 2 marks per statement = 20 to 24 marks] QUESTION 3 Notes: Short answer question section on anything EXCEPT GPUs/OpenCL [TOTAL 20 to 25 marks] QUESTION 4 Notes: 5 short answer questions, each worth 4 or 5 marks, on GPUs/OpenCL [TOTAL 20 to 25 marks] End of Exam