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Operations
In mathematics and computer science, an operation is an event that is carried out to satisfy a given task. Basic operations of a computer system are input, processing, output, storage, and control.
Basic Operators
An operator is a symbol that indicates an operation to be performed. We are familiar with operators in mathematics; operators used in computer programming are—in many ways—similar to mathematical operators.
Division Operator
We all learnt about division—and the division operator—in school. You probably know of both these symbols as representing division:
Modulus Operator
Modulus can be represented either as (mod or modulo) in computing operation. Modulus comes under arithmetic operations. Any number or variable which produces absolute value is modulus functionality. Magnitude of any function is totally changed by modulo operator as it changes even negative value to positive.
Operators
In the realm of programming, operators refer to the symbols that perform some function. They are tasked with instructing the compiler on the type of action that needs to be performed on the values passed as operands. Operators can be used in mathematical formulas and equations. In programming languages like Python, C, and Java, a variety of operators are defined.
The first program should get a directory name as argument. Then it should obtain the list of files in the directory either by using ls program and pipes or by using readdir system call. This program then should fork and execute the second program, passing the folder name and the filename.
The second program should get the name of directory and the filename. Then it should read the file into an array. The reduction operation should be done using multiple threads. To get full points, you must write your program in a way that will actually perform operation in parallel. If necessary use mutexes, but it is possible to the task without them. Print out the summation.
Finally, write a document that will explain your code. It should also have a table comparing running times of your program with 2, 4, 8, and 16 threads. You can use time utility to time your programs. Finally, add the codes for both programs into your document as text (no screenshots). This is on top of submitting your C codes as separate files.
Submit your codes as two separate C files. Your document as PDF
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