Multithreading in Javascript Using Worker Threads

Find out how to using Worker Threads in Javascript to multi-thread your app and get amazing performance boosts. This is a practical video, we walk through taking traditional single threaded code and porting it to multithreading.

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#javascript #worker-threads #multithreading

[boot-strapper]

Also, hear that newest node can share memory between workers for true multi-threading. You should do a video on that!

[dc]

incredibly funny. You have screen charisma. In the old days they would do a screen test.

[mortenlund]

I really did not understand much of this, but was it cool to program to use all the cores! Thanks for a great video. Like your style.

[DPTR]

Finally I understood the concept, thanks to this video!

[ltjqrhcpext]

Thank you so much for the video. Awesome explanation. It really helps me to get idea

[judostuff]

Great video and a ton of value! Thanks man

[stewiedong]

Have an nodejs interview in tomorrow then this video appears in my newfeeds! Thanks alot

[alexandreblais]

didnt get the answer I was searching for but got the answer I needed. thank you :)

[NathanFranckGameDev]

So far my experience with workers has been "Aw yeah, so much CPU usage!" and then "Aw crap, that's a lot of memory usage"

[ryanodd]

I wonder why using 16x the processors only halved the execution time? Do you have any idea why that might be?

[mattshaile]

"Bring in the jimp" - I see what you did there ;)

[sj]

@Jack Herrington What's the difference if we can spread multiple containers now a day. Do we have to choose one over the other or both technology can be used together?

[arialdev]

Hi! Would this be a solution in order to improve execution time if I use workings threads to do multiple edits on the same picture? In my case I have to add multiple other pictures to different regions of the original picture (as if it were a canvas). There is no pixel in common that could cause a reading-writing concurrent error with any of the threads. It would be nice if I could add all those pictures into the original picture with different threads.

[DutchThought]

Nice vid, should the worker_thread be exited/closed once they’ve finished?

[keenheat]

do worker threads share memory between each other, or you always have to send a serialized message between threads ? just wondering if you can have two threads access the same object via closure to do some sort of map reduce operation. Or is that not allow?

[dzilbxp]

I tried the single solution with 75mbs of jpgs and it took 80 sec for 1464 images to be processed. The multi threaded one crashed with heap our of memory.

[barney]

Do you create as many threads as files? Shouldn't be there a thread pool? Anyway good vid

[husniddinqurbonboyev]

Nice explanation! So it's 16 core laptop?

[Rei-mg]

Am just like newbie, pls tell me is worker thread like threading is it like spawning new threads and works exactly like a thread It works like thread and it is thread but it is not called Am quite confused!!

[tomjones]

you shouldn't use Node.js for CPU intensive work like crunching terabyte of data. just saying.. and I think you already know this. please use Java or Python instead that's what they were built for. Hope this helps. Python learning curve is not so steep after all for people coming from JS background. right feel at home with Python or TypeSscript for Java. love your channel Jack keep it up.