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Using parfor eliminates use of multithreading
Check the cluster objects' NumThreads property. For instance local = parcluster('local'); local.NumThreads = <set-number-of-th...

約1年 前 | 2

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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...

約1年 前 | 0

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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...

約1年 前 | 0

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

約1年 前 | 0

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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...

約1年 前 | 0

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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...

約1年 前 | 0

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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...

約1年 前 | 0

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

約1年 前 | 0

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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...

約1年 前 | 1

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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...

約1年 前 | 1

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

約1年 前 | 0

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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...

約1年 前 | 0

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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...

約1年 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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, ...

1年以上 前 | 1

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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...

1年以上 前 | 0

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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...

1年以上 前 | 1

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

1年以上 前

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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 ...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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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...

1年以上 前 | 0

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