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Damian Pietrus

Last seen: 2 days ago |  Active since 2022

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MathWorks Application Engineer focused on MATLAB Parallel Server

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Answered
How to avoid repeatly loading parallel pool when running .exe matlab file in cmd
Moving from comments to an Answer: When a processes parpool is launched, multiple separate MATLAB processes are initiated. The...

1 month ago | 0

| accepted

Answered
Version 2024b and ServiceHost
Hello Christopher, As of now, there is no way to change the location of the MATLAB Service Host. This is feedback that we've h...

6 months ago | 1

Answered
Parallel computing license error
This licensing error should have a fix, so please take a look at the following article: https://www.mathworks.com/matlabcentral...

8 months ago | 1

Answered
Parallel pool failed to start with the following error. For more detailed information, validate the profile 'Processes' in the Cluster Profile Manager.
Hello, There was a recent issue with the licensing for local pools, and the fix can be found here: https://www.mathworks.com/m...

8 months ago | 0

Answered
How can I fix the warning and the error in parfor?
The warning about a(k) just means that a is being sent as a broadcast variable. This means that it is sent in its entirety to ea...

8 months ago | 2

| accepted

Answered
How to communicate with two Raspberri Pis from MATLAB in parallel
Based on your code, it looks like you're using the Local/Processes cluster profile to run your parfor loop on. With this setup,...

8 months ago | 0

Answered
(Why) Is Java not available in a thread-based environment?
Currently, thread pools do not support all functions and features that process pools do. Stealing from our doc page here: In g...

8 months ago | 0

Answered
Strange core usage when running Slurm jobs
Based on your code, it looks like you have correctly configured a cluster profile to submit a job to MATLAB Parallel Server. In...

8 months ago | 0

| accepted

Answered
GPU knnsearch performs slower than CPU for large matrices?
Hello Ishan, There is some overhead when moving variables between the CPU and the GPU. For shorter running calculations, this ...

8 months ago | 0

Answered
Effectiveness of implicit and explicit parallelization of fft2
Hello Matt, As mentioned already, there could be a few reasons for this. When you start up a pool of 4 workers in the "Process...

8 months ago | 0

| accepted

Answered
Set up multi nodes in cluster with 'sinfo' error message
There are a few ways that you can setup your MATLAB client to submit jobs to a cluster. Based on the fact that 'sinfo' is not o...

8 months ago | 0

Answered
How to use the createTask to capture the hardware data
When using createJob/createTask, each task is completely independent. This means that you wouldn't be able to interactively tak...

10 months ago | 0

| accepted

Answered
how to run the matlab program windows executable (eg. heat.exe) format in HPC cluster ?
The method of running this will depend on the cluster itself -- mainly the cluster operating system and the scheduler used. Sin...

10 months ago | 0

Answered
Batch processing alternative parameterizations of a program that uses parfor loops
Hello Brandon, Since you have access to a cluster, this would be a good fit for MATLAB Parallel Server. This will allow you to...

10 months ago | 0

Answered
how parfor distributes resources to each iteration if the number of cores is larger than the number of iterations
Since you mentioned working on a cluster, the first thing I'd like to address is making sure that you are requesting enough reso...

10 months ago | 1

| accepted

Answered
parpool use existing slurm job
Hello Frank, Unfortunately once you've already started up a Slurm job across 5 nodes, there's no current way to access all of t...

10 months ago | 0

| accepted

Answered
Parallel server licence error
I recommend reaching out to our Installation and Licensing Support team, who can be reached by email at email support@mathworks....

12 months ago | 0

| accepted

Answered
Validation parallel cluster profile error because of the plugin function 'independentSubmitFcn.m' error
Hey Wei, Thanks for sending that additional information. MATLAB uses SSH to connect to and run commands on a remote cluster. ...

1 year ago | 0

Answered
Job submission in the slurm based cluster, need help in submitting multiple tasks as a single job in slurm.
Edit: Changing from a comment to an answer and adding some additional information As you've pointed out, what you currently hav...

1 year ago | 2

| accepted

Answered
Does Matlab support parallel processing on Intel® Iris Xᵉ Graphics?
If you'd like to use a GPU for parallel processing, you'll need to have a discrete NVIDIA® GPU: https://www.mathworks.com/help/...

1 year ago | 0