Midterm Practice Problems CSc 422, Fall 2020 September 30, 2020 1 Concurrency Consider the following code fragment. Give all possible outputs and clearly and concisely explain your answer (continue your answer on the next page if needed). Note that in this example threads call functions with zero parameters. int x; Lock l; Semaphore s = […]
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Midterm Examination October 8, 2020 Problem 1: Warmup (15 points [3 each]) Do not explain your answers. A. True/False: A thread in a critical section cannot be context switched. B. True/False: A P operation on a semaphore S may block in the case that the previous operation on S was a V operation. C. True/False:
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• Parallelizing Programs • Goal: speed up programs using multiple processors/cores 2 When is speedup important? • Applications can finish sooner – Search engines – High-res graphics – Weather prediction – Nuclear reactions – Bioinformatics Types of parallel machines • General purpose – GPU – Shared-memory multiprocessor (“multicore”) – Distributed-memory multicomputer • SIMD: single instruction,
12/7/21, 11:14 PM Final Exam – Spring 2021 (Remotely Proctored) Points 100 Not Published Details Questions Show Question Details Copyright By PowCoder代写 加微信 powcoder NOTE: Question details not available when more than 25. HonorStatement In accordance with The Ohio State University Code of Student Conduct, by taking this Exam I certify that:
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INTRODUCTION TO OCAML slides copyright 2017, 2018, 2019, 2020 Author David Walker, updated by Amy Felty permission granted to reuse these slides for non-commercial educational purposes Alonzo Church, 1903-1995 Princeton Professor, 1929-1967 In 1936, Alonzo Church invented the lambda calculus. He called it a logic, but it was a language of pure functions — the
For a short humorous talk on languages without strong typing: https://www.destroyallsoftware.com/talks/wat [Broader point: No one (few people) knows what their programs do in untyped languages.] 1 Type Checking Basics CSI 3120 Amy Felty University of Ottawa slides copyright 2017, 2018, 2019, 2020 Author David Walker, updated by Amy Felty permission granted to reuse these slides
INTRODUCTION TO OCAML slides copyright 2017, 2018, 2019, 2020 Author David Walker, updated by Amy Felty permission granted to reuse these slides for non-commercial educational purposes Alonzo Church, 1903-1995 Princeton Professor, 1929-1967 In 1936, Alonzo Church invented the lambda calculus. He called it a logic, but it was a language of pure functions — the
For a short humorous talk on languages without strong typing: https://www.destroyallsoftware.com/talks/wat [Broader point: No one (few people) knows what their programs do in untyped languages.] 1 Type Checking Basics CSI 3120 Amy Felty University of Ottawa slides copyright 2017, 2018, 2019, 2020 Author David Walker, updated by Amy Felty permission granted to reuse these slides
CS 563 Concurrent Programming Lecture 7: Go Design began in 2007 at Google by Copyright By PowCoder代写 加微信 powcoder , , Became open source in 2009 Statically typed, very fast compilation C-like syntax Built-in concurrency Garbage collection No classes or type inheritance Motivation Go is a programming language designed to help solve Google’s problems What
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CS 563 Concurrent Programming Lecture 10: Synchronization, Atomic Actions, and Await Statements Research Project Timeline Copyright By PowCoder代写 加微信 powcoder 3/1: Reading list 1 due 3/22: Reading list 2 due 3/23: Midterm 3/30-4/20: Research paper presentations (2 students/lecture time) 4/5: Research project proposal due 4/22-4/29: Research project presentations (4 students/lecture time) 5/8: Research project due
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