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        代寫CSCN73000、C++設計編程代做

        時間:2023-12-03  來源:合肥網hfw.cc  作者:hfw.cc 我要糾錯



        CSCN**000 – Lab5
        Parallel Data Processing – First MPI Application
        Overview
        Lab5 has been designed to give you experience implementing your first multi-threaded program using
        Microsoft MPI libraries. The main goal of this lab is to get you to implement a prefix sum (again) and
        become familiar with the thought process and communication that MPI provides between threads. The
        lab provides you with a starting point and then has two components to be implemented.
        This lab will be using Visual Studio, C++11 or greater (C++20 is recommended) and Standard MPI (NOT
        BOOST).
        PART 1: Prefix Sum Review
        You implemented a prefix sum in Lab 4 using OpenMP, so you should be familiar with the how to
        calculate a prefix sum. If you need a bit of a refresher, I recommend re-watching the following YouTube
        video and reviewing your Lab4 solution.
        • https://www.youtube.com/watch?v=lavZl_wEbPE&t=2067s
        PART 2: Installing the Microsoft MPI Libraries
        Before you begin you will need to download and install the Microsoft MPI libraries on your local Laptop/PC. Goto
        the following link and click on “download”
        • https://www.microsoft.com/en-us/download/details.aspx?id=100593
        Once you click on download a dialog should pop up with the choice to download two files
        • msmpisetup.exe
        • msmpisdk.msi
        You will need to download and install BOTH of these files. The first is the MPI runtime environment and the
        second is the software development kit your source will need. Just use all the defaults during the installation
        process.
        PART 3: Getting Started
        There is some starting code for you to work with. Download the “Lab5_Startingpoint.cpp” file from eConestoga
        and setup a new Visual Studio Solution/Project that contains the starting point code. This code will compile but
        does not produce anything. You will notice there are comments stating where your updates need to go.
        Just to review, you should notice the code already provides you with the required MPI calls.
        • MPI_Init()
        • MPI_Finalize()
        The code also creates two variables (taskid and numtask), which are populated using the calls MPI_Comm_rank()
        and MPI_Comm_size(). This will help you to see that you are correctly running the MPI Environment.
        PART 4: Implementation of Default Array
        The source code you have been provided contains a default Original_Array of 10 integer numbers (0-9). Using
        blocking MPI calls, design a parallel solution that will calculate a prefix sum using the following requirements:
        • Your application design shall use 10 threads
        • Each thread shall be responsible for 1 entry in the resulting Prefix_Array.
        • Each thread shall calculate the prefix sum for its assigned index in the Prefix_Array
        When you are ready to test/debug your code, use a windows console terminal and mpiexec.exe to run your
        application. Once complete, take a screenshot of your final output (terminal window only) and upload it into the
        box below:
        (1)
        PART 5: Discussion
        Answer the following questions in the text boxes provided.
        (1) What data did your send from the Master to Worker? Why?
        (2) What data did you send from the Worker to the Master? Why?
        (3) Summarize the problems you encountered during development and the process you used to
        solve/debug your issues.
        Rubric
        See eConestoga for details.
        In Class Requirement
        There is no in-class portion to this lab.
        What to Hand In
        Once you have completed your lab upload the following files INDIVIDUALLY to eConestoga using the
        Lab5_Final submission link:
        • A copy of this completed PDF form
        • A ZIP file containing your entire solution space.
        Please make sure you delete all .vs (Hidden), release and debug directories before you compress and
        upload your solution.
        請加QQ:99515681 或郵箱:99515681@qq.com   WX:codehelp

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