Answered
how to use threads in matlab app designer
Do you have Parallel Computing Toolbox? If so, consider looking at parfeval.

7 months ago | 0

Answered
Parfor number of workers, CPUs, how are they related? What are the limits?
A quadcore computer should max at 4 workers. We don't suggest throttling it to include hyperthreads. With that said, let's say ...

7 months ago | 2

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Answered
Parfor Loop & EnergyPlus Co-Simulation
I would suggest trying this first with a pool size of 1. If it works, then my guess is that mlep only allows one connection at ...

7 months ago | 0

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Answered
How to set up a Matlab parallel cluster for thread-based environment
The thread-based pool only runs on the same machine as the MATLAB client, similar to a local process-based pool. However, unlik...

7 months ago | 0

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Answered
parfor variable classification issue
As a side note, the difference of min and max could be 1000, but there are infinity cases where j1 will start outside the bounda...

8 months ago | 0

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SPMD Error detected on worker
Since this is about learning parallel programming, I'll avoid the suggestion of how to run this serially, as this example will r...

8 months ago | 0

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Answered
SPMD Error when trying to use the data outside of the SPMD loop
I would suggest reformatting your post so that all your code is formatted well. Code is not correctly indented and some of the ...

8 months ago | 0

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Matlab cluster - validation - parpool stuck
A couple of questions What scheduler is your cluster running? MJS? HPC Server? PBS/Slurm/etc? Sounds like all the stages ar...

8 months ago | 0

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Answered
parfeval getting stuck in for loop and blocking fetchNext
Some thoughts/comments I thought that fetchNext should be able to extract values from parfeval as they are produced, but it app...

8 months ago | 0

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Answered
Error: Failed to initialize the interactive session
Let me add to Kojiro's comment. Validation's last stage runs an interactive job with parpool. Look at the following graphic ...

8 months ago | 1

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Why parfor is slower than for when accessing 3-D array?
It's tough to say if this is one script or if you've cobled together the outputs. If it's all one script, the 2nd for-loop will...

9 months ago | 0

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Answered
MATLAB Distributed Computing Server and MATLAB job scheduler (MJS)
Any user will be able to start MATLAB on the client and submit a job, regardless if a job is already running. MJS is a fifo sch...

9 months ago | 0

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Answered
Shutting down some CPUs
Try maxNumCompThreads(8);

9 months ago | 2

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Parallel Computing on cluster
As it is written, the parallel pool will start when the parfor is called, which is then included in the timing. And since you'r...

9 months ago | 0

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HELP: received error when trying to run two functions in parallel.
It's unclear to me what could be causing the exception. Might need to troubleshoot this with Technical Support (support@mathwor...

10 months ago | 0

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Matlab only uses half of the number of logical cores. How can I use all of them?
Increase the cluster profile's number of workers. c = parcluster; c.NumWorkers = 12; p = c.parpool(12); You might not see an...

10 months ago | 0

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Answered
Can't use as many cores as available
I believe what you're saying is that from your desktop machine you connect to some server. From there, you run MATLAB on a mach...

10 months ago | 0

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Slim installation of MATLAB Runtime
Paul see if this will help: https://www.mathworks.com/help/compiler/package-matlab-standalone-applications-into-docker-images.ht...

10 months ago | 0

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Submitting batch jobs across multiple nodes using slurm
Hi Sebastian, I'm going to assume that my_script is the code "workerTable{ii} = ..." There are several ways to approach this...

11 months ago | 0

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Answered
Using parfor and external program via network
The problem is that GeckoCIRCUITS must not allow for multiple running instances. I glanced through their doc, but don't see any...

11 months ago | 0

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how to use gpu in matlab online?
The issus is that you're running MATLAB on a machine that (most likely) doesn't haeve a GPU on it. You'll need to run MATLAB on...

11 months ago | 0

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Problem with text output during parallel computation
I'm gathering from above that none of the jobs fail -- that if you were to look at the output before it's written, you would see...

11 months ago | 0

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Fail to create more than 12 workers using parallel toolbox on linux (matlab R2019b)
Here are a couple of similar posts that might help https://www.mathworks.com/matlabcentral/answers/478171-parpool-consistent...

11 months ago | 0

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How to create pool of workers from a list of hostnames?
This isn't feasible at this time; however, you might consider wrapping your code with batch. For example, let's assume your cod...

11 months ago | 0

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Answered
Build Simulink Real-Time Applications in Parallel
I'm not a Simulink expert, so I'm assuming that loading the workspace (which is the same for all?) will introduce, for example, ...

11 months ago | 0

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Local parallel cluster profile validation createJob takes a very long time to run
Do you happen to have a local parallel pool already running, using all your cores, as you run your validation? I'm not sure whe...

11 months ago | 0

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HPC Slurm --ntasks and Matlab parcluster NumWorkers question
In Slurm, a single task (i.e. MATLAB) can not run across multiple nodes. Let's look at a couple of options. MATLAB on a single...

11 months ago | 2

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Answered
Force all licenses checks at beginning of code in Azure Server
You can force a checkout for each toolbox with the license command % [TF errmsg] = LICENSE('checkout', FEATURE) checks out a ...

11 months ago | 0

Answered
How to make matlab use more CPUs
You need to provide more information on how you're running MATLAB on the server. Are you running through a scheduler (e.g. PBS)...

11 months ago | 0

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How to restart a CommunicatingJob using only the MATLAB workspaces?
There's no automated process for reading the Job files and recreating the job. It'd be much easier to recreate the steps you've...

11 months ago | 1

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