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Programming in C
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Session 1: Introduction to C
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+Programming in C
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+Session 1: Introduction to C
There are a number of short videos to be watched prior to attending Day 1. A pdf of the presentation used in these videos is available here
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1. Computers, Programs and Applications
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+1. Computers, Programs and Applications
The first video provides information about just exactly what a computer is; basically some programmable device cabable of accepting inputs (keyboard, mouse, mic, etc.), storing data in form of files (which are just a sequence of bits, i.e. 0’s and 1’s), running applications (files with a special designation), and providing output (display, sound, etc.). Before you play this first video you might find the following helpful: What makes a computer a computer?, Hardware & Software:, Data & Binary Representation, Circuits and Logic
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Introduction to C and Compilation
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+Introduction to C and Compilation
To create binary executable files that the operating system will run on the CPU a programmer will use a compiler, which is an application that will take a human readable text file and convert it into a binary executable, the sequence of very simple set of instructions, e.g. fetch, add, multiply, compare, store, that the CPU will follow when the program runs. In this video we will be using Intel’s icc compiler on TACC Frontera system to convert our C Programs into such an executable using every languages basic hello world example.
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C Variable Types and Variable Names
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+C Variable Types and Variable Names
To make programming easier, programming languages provide programmers the ability to define and use variables in their programs. An example of a variable a programmer might create in a game application is foe example the users current score: this variable being set to 0 by the application when the user starts a game and is updated constantly as the user progresses through the game.
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C Operations, Conditionals and Loops
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+C Operations, Conditionals and Loops
The basic building blocks in any computational algortithm involve mathematical operations, conditional loops, e.g. do something if some condition is tru otherwise something else, and loops.
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C Functions
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+C Functions
As you develop programs, there are basic algorithms that you will use over and over again, e.g. matrix-vector multiply or vector dot product. Programming languages provide constructions to define these commonly used routines that can be used repeatedly in one program or across many programs. As you develop large programs, from a development point of view, you will find it less error prone, if you break the program into manageable chunks.
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Session 2: Memory & Pointers
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+Session 2: Memory & Pointers
There are a number of short videos to be watched prior to attending Day 2. A pdf of the presentation used in these videos is available here
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C Pointers
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+C Pointers
Pointers are the most difficult concept to understand in C programs. Pointers are simply variables that contain an address. The adress is some memory location that contains the data that the pointer is said to be pointing to. Operations on the pointer allow you to update that variable that the pointer is pointing to.
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C Arrays and Memory Management
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+C Arrays and Memory Management
Pointers most typically are used to point to the start of an array or the current location in an array. Arrays in C can be either created at compile time if the array size is known, or more typically they are dynamically allocated when the program runs. When dynamically allocated, the programmer requests from a function named malloc() that the application obtain some memory from it’s available adress space.
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Session 3 - Data Structures & File I/O
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C Struts, Data Structures and Abstraction
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+Session 3 - Data Structures & File I/O
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+C Struts, Data Structures and Abstraction
The C Language provides some built in data types, i.e. integer, float, double, and pointers. The power of C is that it allows users to create their own data types, e.g. node, vector, matrix, truss.
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C File I/O
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+C File I/O
To save the results of some computation or to read in values, the programmer must open and close files and read and write the data to these files.
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Session 4: Intrpduction to C++
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+Session 4: Introduction to C++
There are a number of short videos to be watched prior to attending Day 3. A pdf of the presentation used in these videos is available here
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C++ Abstraction and OOP
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+C++ Abstraction and OOP
In previous video we saw programmer could create their own data types and pass these to functions. In OOP programmer the programmers associated both data and functions (methods), with the data types, e.g. a vector type can have a method that will provide it’s dot product and methods to set and obtain the entries of the vector. Concepts such as abstraction, polymorphism, … are common across all OOP programming languages.
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C++ Language
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+C++ Language
In this video we look at an incremental improvement to C, C++ (if you remember what the ++ operand is). We quickly look at some of the language constructs added to C++ that overcome some of the perceived limitations in C.
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C++ Class Example
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+C++ Class Example
Now we look at the specific language features that enable OOP programming in C++.
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Session 5: Parallel Programming
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Parallel Computers and Parallel Programming
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+Session 5: Parallel Programming
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+Parallel Computers and Parallel Programming
There are a number of short videos to be watched prior to attending Day 3. A pdf of the presentation used in these videos is available here
Frontera is one of the fastest High Performance Computers in the world. It’s high performance comes from the fact that it has many CPU**nodes, each with many **cores. To take advantage of such a powerful system, actually to take advantage of even your own local desktop system, you will need to create parallel programs.
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Parallel Programming With MPI
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+Parallel Programming With MPI
This video is a very bried introduction to programming with the Message Passing INterface, MPI.
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Parallel Programming With OpenMP
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+Parallel Programming With OpenMP
This video is a very bried introduction to programming with the OpenMP, a library for creating shared-memory applications.
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Programming in C — Programming Bootcamp 2024 documentation
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