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parfor-value is not accessible
Can you reformat you post by highlighting your code and putting it into a CODE block? How are you running your parallel code, f...

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How to parallelize MATLAB function on the CPU
As @Arka mentioned, consider using the Parallel Computing Toolbox. In your case, I would suggest looking at rewriting your oute...

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How to shut down all running workers of paarpools?
Hi @Felix. If even if a single worker crashes, all workers will terminate. Can you elaborate a bit more on a couple of things ...

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MATLAB Parallel server: save output data of each worker by program independent job
Try the following function [] = test_func(input_var) % Store the local hostname for future runs persistent HN if isempty(H...

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How to reset job ID in job monitor?
If you delete all of the jobs and then restart MATLAB, I would expect the job ID to be reset to 1.

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parpool sorting out the default number of workers
Hey @Bruno Luong, per your link, you have 8 Efficient cores, hence 14 (6+8) cores. For R2022b (which I think is the version you...

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Best parallel computing option for heavily serialized code
The very nature of a cascading algorithm (i.e., dependent on previous values) makes it impossible to parallellize. However, per...

1년 초과 전 | 1

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Parallel sever: Request GPU via SLURM
Hi @Christopher McCausland, try the following cluster = parcluster(); cluster.AdditionalProperties.AdditionalSubmitArgs = '--g...

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parallel computing - cluster profile validation job test(create job) stuck in running
Any chance you have a local pool already running? If so, this would block validation. If not, I would suggest reaching out t...

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Connecting to a parallel server over the Internet
The "server" machine has to be reachabe from the Internet. If this is an isolated machine, without a public IP address, you won...

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How to have a global variable that can be accessed and edited and used inside a parfor loop? Or, how to show progress of a parallel job?
Workers in a parfor-loop can't communicate with each other, so a global variable won't work. Consider using a DataQueue. The p...

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

1년 초과 전

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

1년 초과 전

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Why am I getting invalid file identifier error?
fopen will return two output arguments: the file id and an error message if it failed (i.e., the file id is <0). Add the follow...

1년 초과 전 | 0

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parfor code can not run after wrapping into a function
Hi @Yulin, when you write your code without the function prototype function tempFcn() then as a script, MATLAB doesn't know if...

1년 초과 전 | 0

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Can parfor be used if no Parallel Computing Toolbox licenses are available?
Hi @Gregory Vernon. If Parallel Computing Toolbx is not installed, then MATLAB will run parfor serially, in reverse order. Tho...

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Suppress parallel toolbox logs
If you're not already, add a semicolon to suppress the evalc calls. evalc('pool = gcp();'); evalc('delete(pool)'); Above reas...

1년 초과 전 | 0

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Plotting graphs using parallel computing toolbox and communicating between workers
Look at https://www.mathworks.com/matlabcentral/answers/1829258-how-to-use-composite-objects-using-spmd#answer_1077643 for some ...

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Using System() to submit cluster job to SLURM but gives "sbatch: command not found" error.
I suspect the command not found is for sbatch. If so, I would suggest hardcoding the location of it in your path. For example ...

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How to use composite objects using spmd
It's not related to your parallel code, the issue is the initialization of mov. This can be reproduced by the following functi...

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Where we can check the total number of worker instances configured in Matlab parallel server.
Are you using MATLAB job scheduler (MJS) or your own (e.g. PBS)? MJS has a property that specifies the current number of idle w...

1년 초과 전 | 0

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Cluster uses only one node, even though 5 nodes Running (parfor)
Starting a parpool will create very little activity for the workers. It's only once you run a parallel construct (e.g., parfor)...

1년 초과 전 | 0

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How to run .m files in one thread from an app running in a different thread so that I can interact with the app during .m file execution?
@Mitchell Tillman you might consider refactoring the code so that the callbacks call parfeval with backgroundPool, but keep in t...

1년 초과 전 | 0

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Unrecognized function or variable 'nvcc'. with Matlab R2022a
nvcc is a NVIDIA compiler, not a MATLAB function. I suspect what you want is mexcuda.

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Running parfor on SLURM limits cores to 1
Try changing -n 32 for -c 32 -n is tasks, but with 1 CPU per task (by default). It's possible that cgroups is telling MA...

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When does what License get reserved when using MATLAB Parallel Server?
My questions lie in, what is the exact sequence of when licenses are reserved and when the job gets scheduled and when the job r...

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Each PARFOR Worker Writes to the Same File
@Paul Safier since the order of the file doesn't have to be deterministic, use a data queue to write back to the client and have...

1년 초과 전 | 0

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Parallel for loop problem
@Simone Fiumi think of the code running in the parfor as running on some entirely different machine. There is no "debugging" pe...

1년 초과 전 | 1

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