Raymond Norris

MathWorks

Last seen: 4日前 | 2003 年からアクティブ

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Simulink: database toolbox connection fails in Parallel Computing parfor loop?
To summarize: You're running a single Simulink model (my_model), in which you have a block (Level-2 S-Function for MongoDB) tha...

4日前 | 0

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Multiple errors- Not that great at Matlab :(
The parallel for-loop is exposing an issue you would find if you ran it with a serial for-loop, namely Error using interp1>resh...

9日前 | 1

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communicatingJobWrapper.sh file default location moved in 2022a?
Hi @Christopher McCausland. The Slurm plugin scripts are now posted on GitHub GitHub - mathworks/matlab-parallel-slurm-plugin ...

13日前 | 1

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Using 3rd party job scheduler to make a local high processing computer of multiple pcs
Hi @Hasan Khanzada. Have you checked that your university doesn't (A) have MATLAB Parallel Server and (B) if so, already have a...

29日前 | 0

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Attempt to execute SCRIPT interp2 as a function:
Run edit /Applications/MATLAB_R2020a.app/toolbox/matlab/polyfun/interp2 and show us what the first couple of lines look like. ...

約1ヶ月前 | 0

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fitrtree takes forever to run in MATLAB 2022a
Hi @Richard Fiifi Annan. I would suggest you contact MathWorks Technical Support to look into this.

約1ヶ月前 | 0

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Simulink Block 'To File' savings during Parsim
Hi @Elias Julian Hempen. parsim will append a number after the MAT-file. Take for example the following model = 'elias'; loa...

約1ヶ月前 | 0

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Cancel parfeval with a uiprogressdlg
Hi @Sylvain Chupin. A couple of comments/suggestions When you start up the pool, pool = gcp("nocreate"); if ...

約1ヶ月前 | 0

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License Manager Error -139
Products which have a licensed checked out should not be affected by a license manager restart (unless it's an exorbitant long r...

約1ヶ月前 | 0

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Updating variable inside parfor
The example Use a DataQueue Object and parfor to Update a Wait Bar in Send and listen for data between client and workers - MA...

約2ヶ月前 | 0

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render process was terminated: TS_PROCESS_WAS_KILLED
I suspect worker(s) are crashing because of out of memory issues. What size AWS instance are you using? Do you have a sense of...

約2ヶ月前 | 0

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Code Fails to Write to Folder that has Correct Write Permissions
The issue turned out to be related to a symlink. Paul was pointing to a folder in his home directory that was symbolically link...

約2ヶ月前 | 0

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Parallel Computing for One Simulation
This is a bit tough to answer without seeing a bit of the code. For starters, your code might already be using most (all) of yo...

3ヶ月前 | 0

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Home License on AWS
I believe the MATLAB Home License can be installed on up to two machine (can only used on one machine at a time). In theory, th...

4ヶ月前 | 0

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All workers aborted during execution of parfor loop
When I see The client lost connection to worker 1. This might be due to network problems, or the interactive communicating job ...

4ヶ月前 | 0

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change default parpool in matlab.rc
R2023a added a Property to your profile, PreferredPoolNumWorkers, which defaults to min(NumWorkers,32) Therefore, if NumWorker...

4ヶ月前 | 0

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Set the number of parallel workers (optimization)
64, though you can try more. You might find a 10-20% improvement as you add more workers (most likely not 2x as you get to 128)...

4ヶ月前 | 0

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Dot indexing is not supported for variables of this type on a parfor line with no dot indexing.
My guess is that it has to do with your ActiveX Server, specifically if Veh_TT_measurement is used in your parfor. See if this ...

4ヶ月前 | 0

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Queue simulation of two parallel servers
If I'm reading this right, I think this code for y=1:10000 inter_arrival_times(y) = exprnd(1/arrival_rate_m); arrival...

4ヶ月前 | 0

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Parallel Pool No data errors
Glad you mentioned that you unplugged the Ethernet cable, that helped me track this down a bit (I think). It appears as though ...

5ヶ月前 | 0

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Does the MATLAB python interface support parallel processing?
I can't see a single python session being the issue. I'm betting you ran out of memory. Try the following I'm assuming you ha...

5ヶ月前 | 0

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Matlab Parallel Computing on Cluster - File not found (Task8-32.in.mat)
Hi @Antonio Cioffi. I'm not sure why mpiexec is crashing, but I can tell you why you're getting validation issues. When you sw...

5ヶ月前 | 0

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How does parallel computing toolbox works in nested loop?
MATLAB will run the inner parfor loop as a for-loop. Therefore, in your example, where you have a parallel pool of 8 workers, 2...

5ヶ月前 | 0

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SPMD Video Writing with dynamic frames
This might be an approach. Quite a bit of this is pseudo code and probably needs refining to synchronize the images into correc...

5ヶ月前 | 0

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Parallel Computing Toolbox and parsim: two different versions of Matlab?
Consider using parfor and sim, but read this first Using sim Function Within parfor - MATLAB & Simulink (mathworks.com)

6ヶ月前 | 0

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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...

7ヶ月前 | 0

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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...

7ヶ月前 | 0

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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 ...

7ヶ月前 | 0

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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...

7ヶ月前 | 0

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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.

8ヶ月前 | 0

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Raymond Norris

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