Raymond Norris

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MathWorks

112 total contributions since 2003

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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...

3 días 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...

3 días 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...

4 días 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...

5 días 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...

9 días ago | 0

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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, ...

10 días 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...

10 días 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 días ago | 2

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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 ...

14 días ago | 0

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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)...

16 días 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...

16 días ago | 1

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Is the installation same for 2020b MATLAB Parallel Server and regular matlab installation?
You can use the same installer, but you download and install a different binary, with its own license file. Two things: When i...

16 días ago | 0

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Interrupt parfor from uiprogressdlg CancelRequested
I'm not entirely sure what you're hoping to have happen with the cancel, but I'll say that parfor can only be cancelled by Ctrl-...

25 días ago | 1

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Answered
AWS_Client, License manager_Server
There are two license options. network license (i.e. Flex, which sounds like what you're using) online licensing (enabled by a...

25 días ago | 1

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Connecting to cluster fails: Algorithm negotiation fail
Please reach out to Technical Support (support@mathworks.com) and have them contact me about this. I recognize your cluster and...

alrededor de 1 mes ago | 1

Answered
How to find function and variable value at each iteration for genetic algorithm with Parallel Computing ?
This doesn't address your issue, but you can't have a nested parfor loop/spmd block, which is in essense, what you're suggesting...

alrededor de 1 mes ago | 0

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Answered
How I resume my Matlab job from previous saved data in NCI(Australian supercomputer facilities)?
My understanding is that NCI will allow for longer running jobs than 48 hours. Email help.nci.org.au for an exception on queue ...

alrededor de 1 mes ago | 1

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Answered
Multi-level parallelization
MATLAB does not support multiple parallel pools in the same session. With that said, as you've pointed out, batch will do what ...

alrededor de 1 mes ago | 0

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Answered
Error running MATLAB Parallel Server toolbox "Admincenter"
I would suggest contacting Technical Support (support@mathworkscom). They ought to be able to help with this and with your othe...

alrededor de 1 mes ago | 0

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How can I open a matlabpool in matlab2020?? Also, I have the parallel computing toolbox (PCT).
Not sure how far back ago, but we've deprecated the matlabpool command. Use the parpool command instead.

alrededor de 2 meses ago | 0

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Advice on cluster creation
Hi Mazen, I'm sorry to hear you're having issues installing and configuring MATLAB Parallel Server. I have two suggestions for...

2 meses ago | 0

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Unable to start parallel pool for more than 12 cores
I'm a bit confused how setting the default size of a parallel pool would throw "failed to start parallel pool", since setting th...

2 meses ago | 0

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Is it possible to set a remote folder on HPC as a current folder?
Can you provide a bit more info on how you'd like this to work. Given that you're using parcluster, batch, etc., I suspect you'...

2 meses ago | 1

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Recommendations for hardware acceleration for AI work
Your university has some documentation about running MATLAB & MATLAB Parallel Server at your site. Get in touch with me if you ...

3 meses ago | 0

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Does the batch job run on a single worker if the code batched doesn't contain any parallel for loop?
Your local machine is making use of maxNumCompThreads, which is set to the number of physical cores on your machine. The 'paral...

3 meses ago | 0

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Answered
Using Parfor in Ga
Nested parfor loops will be treated as a parfor calling a for-loop. For example: parfor idx = 1:N myfcn(idx) end func...

3 meses ago | 0

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An license error occured when submitting a sbatch routine in slurm
A few comments MATLAB and Parallel Computing Toolbox only span across a single node. Calling parpool (or parfor, which will st...

3 meses ago | 0

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Answered
matlab install and launch problem
The system requirements for R2020b can be found here https://www.mathworks.com/support/requirements/matlab-system-requirem...

3 meses ago | 2

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Matlab Parallel Server worker to worker communication port
A few questions Which version of MATLAB are you running? Is MATLAB running on your local machine and MATLAB Parallel Server on...

3 meses ago | 0

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how to ask for a pool size when using parpool with threads
There isn't from within parpool. When you create a Threads pool, the size of the pool is identical to maxNumCompThreads, which ...

3 meses ago | 0

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