Answered
Transparency violation error for cvx
It doesn't appear so. cvx_begin is calling assignin on line 41. This would be akin to calling local = parcluster('local'); p...

4 months ago | 0

Answered
Worker unable to find mex file
I'm assuming you are using parpool? How are you setting the worker's path on the Linux cluster to find the MEX-file? One optio...

4 months ago | 0

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Answered
Specify the parallel pool job timeout
So you doing something like the following cluster = parcluster; job = cluster.batch(@mycode,...., 'Pool',size); Then what you...

4 months ago | 0

Answered
Restriction of functions run under parfeval
fprintf isn't inactive/not working, as much backgroundPool doesn't capture the "diary" of parfeval. This has the same behaviour...

4 months ago | 0

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Answered
Please suggest me to write the parallel loop in MATLAB without the workers getting aborted during the course of execution? Thanks
The entire pool idles out, not a single worker. My guess is that a worker is crashing because of memory. Tell us a bit more t...

4 months ago | 0

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Answered
Parallel pool hangs on startup for all versions of Matlab
Not sure why this would happen with every version of MATLAB. First try clearing out all the job files (this will destroy past j...

4 months ago | 0

Answered
parfor slower than for
There are several considerations How many dedicated workers? Most often, more workers, the lower the amount of time. Amount of...

4 months ago | 0

Answered
unrecognized function or variable in parfor
I don't have much time to look at this closer, so I'll give a couple of quick thoughts For starters, I would suggest going thro...

4 months ago | 1

Answered
Parallel pool error, automatically clear jobstoragelocation
Look at my answer here for an option: https://www.mathworks.com/matlabcentral/answers/1440039-how-to-prevent-parpool-error#answe...

4 months ago | 1

Answered
How to use All cores
To increase the number of permissible local workers, you could run local = parcluster('local'); local.NumWorkers = 44; pool =...

4 months ago | 0

Answered
How can i run multiple callback functions based on a single event?
If you have the Parallel Computing Toolbox, then this might not be exactly what you're looking for, but it might get you started...

5 months ago | 0

Answered
MATLAB crashes with only two lines in crash dump stack trace
This post isn't getting stack traces, but it might point you in the right direction: https://www.mathworks.com/matlabcentral/ans...

5 months ago | 0

Answered
Parallelization in MATLAB R2018b
Please include how you're starting the parpool and how mex is being called. I suspect the issue is that the files required when...

5 months ago | 0

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Answered
How to run a MATLAB file in for loop in batch file step by step
Try using the -wait switch. E.g. @echo off for /l %%x in (1, 1, 2) do ( call matlab -wait -nosplash -r "cd('H:\EngFiles\A...

5 months ago | 0

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Answered
How to prevent parpool Error
There's a slight change it's because multiple jobs are running at the same time, all contending for the same subfolder. If so, ...

5 months ago | 1

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Answered
Is there a way to start a parellel pool with maximum available workers as the cores on the machine?
pool = parpool('local',maxNumCompThreads); Alternatively, if you're running this through a scheduler (e.g. PBS), you could quer...

5 months ago | 0

Answered
Batch jobs of similar data size and function files are taking different times for job completion, though all are started at same time.
Not sure why the 1st task isn't finishing, but here's another approach. Keep what you have, but rather than using batch, use pa...

5 months ago | 1

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Answered
Running two loop together at the same time
Try using parfeval, such as the following pseudo code function start_Callback(hObject, eventdata, handles) pool = gcp('nocreat...

5 months ago | 0

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Answered
How to opening 1 instance of MATLAB from MATLAB, but accessing it multiple times
Using the Parallel Computing Toolbox, look at parpool and parfeval. parpool will start a N number of "workers" (i.e. headless i...

5 months ago | 0

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Answered
Cannot start parallel pool R2020a
Do you have other versions of MATLAB installed? If so, which? Had your run parpool successfully on those version(s)? One sugg...

5 months ago | 0

Answered
parFor Worker unable to find file. Unrecognized function or variable 'parameters'
As Edric mentioned, this is/may not parallizable. But if it were, you'd need to make modifications to the for-loop. You've inc...

5 months ago | 0

Answered
Parfor general question and thought
A parfor is run synchoneously. That is, the parfor is blocking until complete. By that logic, two parfor loops can only run se...

6 months ago | 0

Answered
Error using Parfor "Unable to classify the variable 'Sort'"
Try this refactoring the for-loop a bit parfor k=1:Np flag = 0; %#ok<PFTUSW> for i=1:(Nu-1) for j=(i+1):Nu ...

6 months ago | 0

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Answered
using parfor loop for marking the image/advice on other method for marking image
The issue is that your plotting in the parfor loop, which has no display. Create a DataQueue and pipe the data back to the clie...

6 months ago | 0

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Answered
Submitting parallel compiled code to SLURM
Perhaps there's a race condition. Take a look at https://www.mathworks.com/matlabcentral/answers/545174-how-can-i-work-ar...

6 months ago | 0

Answered
parallel computing toolbox - how to directly talk to the Workers?
You can use different schedulers; however, you need to call the parpool command to start workers. In order to start the workers...

6 months ago | 0

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Answered
Converting for loops to parfor format gives error "Error: Unable to classify the variable 'f_est_1' in the body of the parfor-loop."
I'm gathering the for-loop you're trying to re-write is for i = 1:length(x) Assuming you're able to re-write this, have you co...

6 months ago | 0

Answered
What type of Amazon EC2 server for MathWorks Cloud Center
Just to clarify Walter's 2nd comment, he's suggesting a compute cluster. What you're saying is that your university does not hav...

7 months ago | 0

Answered
codegen incorrect argument data type in Matlab example
There are several codegen functions/methods MATLAB Coder Control Toolbox Is it possible you have Control Toolbox installed, b...

7 months ago | 0

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

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