January 2019
Intermediate to advanced
520 pages
14h 32m
English
Content preview from Hands-On Microservices with Rust
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IO-bound versus CPU-bound tasks
There are two types of tasks. If a task doesn't carry out many calculations, but it does do a lot of input/output operations, it's called an I/O-bound task. Since CPU is much faster than input/output buses, we have to wait a long time for a bus or device to be available for reading or writing. I/O-bound tasks can be handled well in an asynchronous way.
If a task does a lot operations using CPU, it's called a CPU-bound task. For example, image resizing is a kind of CPU-bound task, because it recalculates the pixels from an original image, but only saves the result when it's ready.
The difference between I/O-bound and CPU-bound tasks isn't obvious and not every task can be classified strictly to an I/O or CPU ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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