Python Multiprocessing Tutorial: Run Code in Parallel Using the Multiprocessing Module

In this video, we will be learning how to use multiprocessing in Python.

The code from this video can be found at:

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#Python

[coreyms]

Hey everybody! I hope you find this video helpful. I'm finally moved into my new home, so I should be back on a schedule of regular releases very soon. Hope everyone has a great weekend!

[vicstan]

Why do people give thumbs down to someone who teaches for free? And a small detail ... the man is a grandmaster! Thank you sir for doing this. Greetings from the Netherlands

[carspeedkm]

@Corey Schafer,
Thank you very much for taking the time to make this video. I have written my first-ever parallelized code and the speedup is invaluable.
For years I was apprehensive about learning parallelization methods because they seemed very complicated. You, my friend, have opened the flood gates. This work puts me one step closer to completing my Master's.

[ginadi]

There are courses that take thousands of dollars for teaching what you're teaching. you're teaching very well and you give it free.
Respect.

[gytisbl]

31:12 Mr. Schafer finishes with the theory and goes into the real-world example with processing images
35:37 implementing multi-processing to single thread/process operation
40:04 easy switch from Processes to Threads

Love Your videos Mr. Schafer. Especially Your communication skills. No BS, just clear communication. I also love that You don't edit out mistakes, and summarize after several steps. Thank You for putting the effort and sharing.

[tebbythomas]

Another wonderful video. Thanks to your videos I've gained an understanding of how to build and deploy a Django web application, using matplotlib for data visualisations, python multi-threading, python-multiprocessing, exception handling, python unit test cases and more. Your content is consistently excellent because of how practical and well thought out your videos are. Extremely useful! Please keep making these videos! Thanks a lot! You're helping a lot of people with this high quality content!

[dhurda]

This has been incredibly helpful for me and my team. I'm a network engineer working on multiprocessing SSH connections and this made everything make sense. Definitely subscribed after seeing this.

[ItzSenaCrazy]

This video came on time. I work with AI with python and, at university, I'm seeing operating system. Now I can join OS and python for do faster algorithms.
Thanks Corey. I really like your videos!

[anhurtjv]

I just started an internship in Germany and you have no idea how helpful these classes series are to young people like me that want to succeed in the professional world of today :)

[theteleportercell]

I have been looking for videos like this for like over 1 year, and today I randomly saw your video. Very helpful, easy to understand, thanks a lot Corey!

[spacecowboy]

This video is gold, every second of it. You are very talented at teaching complex concepts, you can't even begin to fathom how much I appreciate your work. Thanks!

[neolithian]

We need at least a dozen of Corey Schafer in our programming learning life. I wish everyone would follow your method. You are simply the best! God bless.

[shawnalexander]

Of all the resources out there that I have looked to get a start and grasp on this subject (some cost money), this video is on point!

[nguyennguyenkhoi]

when i watch your vidieos i belive that if you can't explain something easy to understand, absolutely nobody on this world can do that. thanks you alot Corey, you make my life easier.

[thedrei]

oh man, you don't even know how long I was looking for a video on multiprocessing.

[bigbangdata]

Thanks for the smooth and didactic intro to multiprocessing, I've done this a year ago during a fast and furious degree and needed a refresher. I have a case in which this will come in handy although it's hundreds of lines of code, but I bet I can wrap them all into a function to be the executor's target.

[ronnetgrazer]

It's one of those tutorials that has you reaching for the like button several times during the video, and once more after it's ended.

[KurtSchwind]

Seriously learning more from your vids on Python than the Python 'class' I took one time. Clear and helpful. Everytime I watch I learn something new.

[Mankind]

Corey, thank you so much for such an amazing explanation. Even lingering questions that were happening in my head during the video, you managed to answer them right away.

[eduardolpz]

Great video!
If you are running this in Windows and a later version of Python (I'm running 3.7), you need to run all multiprocessing under main(), then run if __name__ == '__main__': main()
Make sure the do_something() function is declared outside main().