Parallel Computing Toolbox & Web App Server
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From https://fr.mathworks.com/support/requirements/matlab-web-app-server.html, I know that Parallel Computing Toolbox works on a MATLAB Web App server, but I could not find an explicit explanation of how the parallelization works with a server.
I presume that the cluster is the entire Web App server, and a parallel pool of 4 workers means that we allocate again 1GB RAM per worker as any logged user (but it is only an assumption). As I understand, if we have 40GB of RAM available and 10 users run an app that do some parallel computations with 4 workers each, there are no RAM left for a 11th user to run an app on the server.
Can anyone confirm this? Or correct me if I misunderstood something?
Souvik Das on 17 Aug 2022
Its mathematically right. However, 1GB per worker is also quite far below the recommendation, hence it might lead to out of memory errors, or workers disappearing or the whole machine slowing to a crawl.