How Memory Usage Slows Down Your Programs @JacobSorber
How Memory Usage Slows Down Your Programs  @JacobSorber
Uploaded October 2021 | Updated September 2026, 2 weeks ago
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How Memory Usage Slows Down Your Programs // We usually think about how much memory we're using, but not about how we're using that memory. This video shows a simple example of how changing access patterns (row-wise vs column-wise) in a matrix or two-dimensional array can significantly impact runtimes.


Related Videos:
2D Array/Matrix video: youtu.be/NqEbV5FBKmg

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Welcome! I post videos that help you learn to program and become a more confident software developer. I cover beginner-to-advanced systems topics ranging from network programming, threads, processes, operating systems, embedded systems and others. My goal is to help you get under-the-hood and better understand how computers work and how you can use them to become stronger students and more capable professional developers.


About me: I'm a computer scientist, electrical engineer, researcher, and teacher. I specialize in embedded systems, mobile computing, sensor networks, and the Internet of Things. I teach systems and networking courses at Clemson University, where I also lead the PERSIST research lab.

More about me and what I do:
jacobsorber.com
https://people.cs.clemson.edu/~jsorber/
http://persist.cs.clemson.edu/

To Support the Channel:
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Source code is also available to Patreon supporters. --- [jsorber-youtube-source.herokuapp.com/]
How Memory Usage Slows Down Your ProgramsLets do a little image processing in CThe Multiple Paths through Embedded SystemsSetup Tips for Your Next Programming ProjectPortably print integers in C? Its more complicated than it should be.How to profile your own function calls in C? (instrument your code!)Does it matter what hash function I use? (hash table example in c)Dont write clever code.The worlds simplest malware? (Example in C)Making allocators and object pools faster using a free listThe Trie Data Structure, Part 2 (search, delete)Format your code the right way! (C example)
Jacob Sorber |

How Memory Usage Slows Down Your Programs

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