Parallel Processing is better than buying another MATLAB licence?
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Denizhan AKINCI
on 19 Apr 2024
Commented: Joss Knight
on 22 Apr 2024
Hello,
I'm considering whether it's more beneficial to purchase 2 or more MATLAB licenses or to invest in the Parallel Processing Toolbox. How many GPUs can we utilize with the Parallel Processing Toolbox, and is it worth the investment? I would greatly appreciate insights from someone with experience in this matter. Thank you!
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Andreas Goser
on 19 Apr 2024
While I am not an expert myself, I have listened to a few similar discussions and the general statement was it depends on your application.
If you have the hardware, I suppose you can test your application with MATLAB / PCT trial licenses?
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Joss Knight
on 21 Apr 2024
There may be a misunderstanding here. Your typical license is to a user or a computer. That user, or that computer, can open as many copies of MATLAB as you like. The advantage of Parallel Computing Toolbox is that you can coordinate all those MATLABs through a single client, such as running a hyperparameter optimization. MATLAB Parallel Server lets you do the same but on multiple computers using a single license - maybe that's what you're thinking of?
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Joss Knight
on 22 Apr 2024
Extremely unlikely, if your plan is just to run the same code but on each worker. Parallel workers prevent resource contention by being restricted (by default) to a single physical core, and then the hope is that all the MATLABs together will use all your cores. It sounds like MATLAB is already doing a good job of multithreading and using all your resources and that's why there's contention between each MATLAB.
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