For this problem, you will conduct experiments to explore the process of copying data from one file (File A) to another file (File B). You must provide your source code and a written report for this problem. Your source code must compile and execute without error on the CSE machines. You do not need to include the contents of File A or File B. 1. Write a small C program that copies data from a File A to a File B one byte at a time. You will examine the performance of this program in copying data from File A to File B. Create a graph to visualize performance of your program for copying files of different sizes. You must repeat this experiment using the following file sizes for File A: 1. 1MB 2. 2MB
For this problem, you will conduct experiments to explore the process of copying data from one file (File A) to another file (File B). You must provide your source code and a written report for this problem. Your source code must compile and execute without error on the CSE machines. You do not need to include the contents of File A or File B.
1. Write a small C program that copies data from a File A to a File B one byte at a time. You will examine the performance of this program in copying data from File A to File B. Create a graph to visualize performance of your program for copying files of different sizes. You must repeat this experiment using the following file sizes for File A:
1. 1MB
2. 2MB
3. 4MB
4. 8MB
5. 16MB
6. 32MB
7. 64MB
8. 128MB
2. Repeat this experiment three times. Rather than copying a single byte at a time, copy the file in 4, 64, and 1024 byte chunks. Generate a performance graph to visualize your results. Write a brief (1-2 page) report including
1. Your performance graphs,
2. Your interpretation of the experimental results,
3. Your observations, and
4. Your hypothesis regarding the cause(s) of what you observed.
Notes: For Problem 4, it is imperative that File A and File B are both located on the local disk. The CSE machines share a drive. Therefore, you must place File A and File B in the \tmp directory. The contents of File A are irrelevant, but you must establish a method to create files of the sizes specified in the instructions.
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