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Ruby Concurrency for Senior Engineering Interviews

I/O Bound vs CPU Bound

Understand the distinctions between I/O bound and CPU bound programs and how each affects system resource usage. Learn how concurrency and multithreading can be applied to improve performance for both types by efficiently managing CPU utilization and I/O waits in Ruby environments.

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I/O Bound vs CPU Bound

We write programs to solve problems. Programs utilize various resources of the computer systems on which they run. For instance a program running on your machine will broadly require:

  • CPU Time

  • Memory

  • Networking Resources

  • Disk Storage

Depending on what a program does, it can require heavier use of one or more resources. For instance, a program that loads gigabytes of data from storage into the main memory would hog the main memory of the machine it runs on. Another can be writing several gigabytes to permanent storage, requiring abnormally high disk I/O.

CPU Bound

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