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Warnings inside of compiled parpool are messy
Thanks for reporting this. We shall endeavour to improve this behaviour in a future release of Parallel Computing Toolbox. Unfor...
Warnings inside of compiled parpool are messy
Thanks for reporting this. We shall endeavour to improve this behaviour in a future release of Parallel Computing Toolbox. Unfor...
3ヶ月 前 | 2
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How can I utilize tall arrays for my data structure without it being in a cell array?
You can use UniformRead=true in your fileDatastore to avoid the need for cell2underlying. Like this: dirname = fullfile(tempdir...
How can I utilize tall arrays for my data structure without it being in a cell array?
You can use UniformRead=true in your fileDatastore to avoid the need for cell2underlying. Like this: dirname = fullfile(tempdir...
5ヶ月 前 | 1
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Parfor HPC Cluster - How to Assign Objects to Same Core Consistently?
I think this might be a case for spmd. With spmd, you can ensure you construct the objects on particular workers, and only ever ...
Parfor HPC Cluster - How to Assign Objects to Same Core Consistently?
I think this might be a case for spmd. With spmd, you can ensure you construct the objects on particular workers, and only ever ...
5ヶ月 前 | 0
回答済み
Zombie MATLAB Processes Remain After parpool/parfor and delete(gcp('nocreate'))
This is not expected. Please contact MathWorks support who can help get to the bottom of this problem. When you contact them, it...
Zombie MATLAB Processes Remain After parpool/parfor and delete(gcp('nocreate'))
This is not expected. Please contact MathWorks support who can help get to the bottom of this problem. When you contact them, it...
6ヶ月 前 | 0
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Using parallel computing to communicate with device
Firstly, I wonder if you should be using the function-handle constructor to make the parallel.pool.Constant, like this: Scale_C...
Using parallel computing to communicate with device
Firstly, I wonder if you should be using the function-handle constructor to make the parallel.pool.Constant, like this: Scale_C...
6ヶ月 前 | 0
回答済み
How to perform the inverse operation of "spmdCat" in parallel computing
A "scatter" method isn't exposed directly, but you can achieve the same thing using the codistributed constructor, like this: s...
How to perform the inverse operation of "spmdCat" in parallel computing
A "scatter" method isn't exposed directly, but you can achieve the same thing using the codistributed constructor, like this: s...
9ヶ月 前 | 0
回答済み
parallel computing for an image stack
I'm not sure exactly what you're after here, but note that the gpuArray implementation of fft2 automatically applies to "pages" ...
parallel computing for an image stack
I'm not sure exactly what you're after here, but note that the gpuArray implementation of fft2 automatically applies to "pages" ...
10ヶ月 前 | 0
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How do I import cluster profiles without access to a GUI?
You can use parallel.importProfile to do exactly this from within MATLAB on the server. You can't currently run cluster profile ...
How do I import cluster profiles without access to a GUI?
You can use parallel.importProfile to do exactly this from within MATLAB on the server. You can't currently run cluster profile ...
10ヶ月 前 | 0
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MATLAB 2024 default number of threads
You can change the maximum number of workers to use with a thread pool by modifying the NumWorkers property in the "Cluster Prof...
MATLAB 2024 default number of threads
You can change the maximum number of workers to use with a thread pool by modifying the NumWorkers property in the "Cluster Prof...
10ヶ月 前 | 0
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How can I create a singleton object that is processed in parallel threads and processes?
I think your solution is heading in the right direction. Using a DataQueue is exactly what I'd suggest for getting the log messa...
How can I create a singleton object that is processed in parallel threads and processes?
I think your solution is heading in the right direction. Using a DataQueue is exactly what I'd suggest for getting the log messa...
10ヶ月 前 | 1
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Error message in the console when using batch
As mentioned by @Walter Roberson you can use the Diary property of the job to view this information. Another (more intrusive) op...
Error message in the console when using batch
As mentioned by @Walter Roberson you can use the Diary property of the job to view this information. Another (more intrusive) op...
11ヶ月 前 | 0
回答済み
saving a job.parallel object
It is not supported to save job / task objects themselves - the expected workflow is that you use parcluster to get back your jo...
saving a job.parallel object
It is not supported to save job / task objects themselves - the expected workflow is that you use parcluster to get back your jo...
11ヶ月 前 | 0
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Setting global variables independently on each worker for parallel computation
You can modify the global workspace of a parallel pool worker, but you cannot do it directly within the body of an spmd block or...
Setting global variables independently on each worker for parallel computation
You can modify the global workspace of a parallel pool worker, but you cannot do it directly within the body of an spmd block or...
11ヶ月 前 | 0
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Error using Parfor "Unable to classify the variable 'Sort'"
I just came here to mention that we tried to improve the error reporting for this case. Here's what happens now, hopefully it ma...
Error using Parfor "Unable to classify the variable 'Sort'"
I just came here to mention that we tried to improve the error reporting for this case. Here's what happens now, hopefully it ma...
11ヶ月 前 | 1
回答済み
parfor unable to classify, why?
By the way, just wanted to mention that we attempted to improve the message for this particular error case. Hope it makes sense....
parfor unable to classify, why?
By the way, just wanted to mention that we attempted to improve the message for this particular error case. Hope it makes sense....
11ヶ月 前 | 1
回答済み
Distributed and spmd not running faster
You're not missing anything. If you're only using the cores on your local machine, distributed is unlikely to be much use to you...
Distributed and spmd not running faster
You're not missing anything. If you're only using the cores on your local machine, distributed is unlikely to be much use to you...
11ヶ月 前 | 1
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Li-ion battery calibration - Not able to disable parallel computing
The doc page you reference https://uk.mathworks.com/help/autoblks/ref/battery.pulsesequence.estimateparameters.html states that ...
Li-ion battery calibration - Not able to disable parallel computing
The doc page you reference https://uk.mathworks.com/help/autoblks/ref/battery.pulsesequence.estimateparameters.html states that ...
11ヶ月 前 | 0
回答済み
Displaying a struct containing gpuArray fields takes an extremely long time in R2024b
Thanks for reporting this, I can reproduce the problem here (though not so severely). For now I'm afraid the only workaround is ...
Displaying a struct containing gpuArray fields takes an extremely long time in R2024b
Thanks for reporting this, I can reproduce the problem here (though not so severely). For now I'm afraid the only workaround is ...
11ヶ月 前 | 0
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Is there a faster method than parfor?
There's quite a bit going on here, and without seeing the details of modifyArray, it's hard to know exactly what to suggest to m...
Is there a faster method than parfor?
There's quite a bit going on here, and without seeing the details of modifyArray, it's hard to know exactly what to suggest to m...
約1年 前 | 0
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How does a local parpool manage path per worker?
Workers in a local parallel pool inherit their MATLAB path (and current working directory) from the MATLAB client. However, if y...
How does a local parpool manage path per worker?
Workers in a local parallel pool inherit their MATLAB path (and current working directory) from the MATLAB client. However, if y...
約1年 前 | 0
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Did the default NumWorkers change for a local pool in R2024a?
Check the answer here: https://uk.mathworks.com/matlabcentral/answers/2062522-how-does-parallel-computing-toolbox-handle-perform...
Did the default NumWorkers change for a local pool in R2024a?
Check the answer here: https://uk.mathworks.com/matlabcentral/answers/2062522-how-does-parallel-computing-toolbox-handle-perform...
1年以上 前 | 0
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parpool memory allocation per worker
Further to the other suggestions here, using parpool("Threads") will use less memory than parpool("Processes"), but not everythi...
parpool memory allocation per worker
Further to the other suggestions here, using parpool("Threads") will use less memory than parpool("Processes"), but not everythi...
1年以上 前 | 0
回答済み
How to resolve warning message about broadcast variable while using 'parfor'?
I think you should ignore this message in this case. It looks like you really need all the values of males for each iteration of...
How to resolve warning message about broadcast variable while using 'parfor'?
I think you should ignore this message in this case. It looks like you really need all the values of males for each iteration of...
1年以上 前 | 0
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parfor problems (structure, reduction assignment, etc)
The problem here is that you're trying to extend the arrays like Ball by assigning off the end of the current size of the array....
parfor problems (structure, reduction assignment, etc)
The problem here is that you're trying to extend the arrays like Ball by assigning off the end of the current size of the array....
1年以上 前 | 0
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Cancel parfeval causes workers to throw errors
My guess is that whatever myFunc is doing is not safe against being interrupted with CTRL-C. When you cancel a parallel.Future, ...
Cancel parfeval causes workers to throw errors
My guess is that whatever myFunc is doing is not safe against being interrupted with CTRL-C. When you cancel a parallel.Future, ...
1年以上 前 | 0
回答済み
How to run multiple functions simultaneously and communicate with each other?
Your spmd block as written instructs each worker to run first aData() and then bData(). This is the general pattern of spmd - al...
How to run multiple functions simultaneously and communicate with each other?
Your spmd block as written instructs each worker to run first aData() and then bData(). This is the general pattern of spmd - al...
1年以上 前 | 1
回答済み
Error when running function with batch()
This is nothing to do with batch, and everything to do with workspace transparency. Basically when a parfor loop exists inside a...
Error when running function with batch()
This is nothing to do with batch, and everything to do with workspace transparency. Basically when a parfor loop exists inside a...
1年以上 前 | 0
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FFT is suddenly slow down for repeated operations.
This is due to the asynchronous nature of gpuArray operations. Where possible, operations on the GPU are queued up and run in th...
FFT is suddenly slow down for repeated operations.
This is due to the asynchronous nature of gpuArray operations. Where possible, operations on the GPU are queued up and run in th...
1年以上 前 | 2
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generalizedInverseKinematics in a nested parforloop
You haven't given us a lot to go on there, but the form of assignment you mention is only valid if qWaypoints is a parfor "tempo...
generalizedInverseKinematics in a nested parforloop
You haven't given us a lot to go on there, but the form of assignment you mention is only valid if qWaypoints is a parfor "tempo...
1年以上 前 | 0
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How can I know which worker performs each iteration of the parfor loop?
You can use getCurrentTask (if you're using a process pool rather than a thread pool). This has a field ID which tells you which...
How can I know which worker performs each iteration of the parfor loop?
You can use getCurrentTask (if you're using a process pool rather than a thread pool). This has a field ID which tells you which...
1年以上 前 | 0
