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Damian Pietrus

Last seen: Today |  Attivo dal 2022

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MathWorks Application Engineer focused on MATLAB Parallel Server

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English
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  • 3 Month Streak
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Risposto
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...

30 giorni fa | 1

Risposto
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...

30 giorni fa | 0

Risposto
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...

circa un mese fa | 2

| accettato

Risposto
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,...

circa un mese fa | 0

Risposto
(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...

circa un mese fa | 0

Risposto
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...

circa un mese fa | 0

| accettato

Risposto
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 ...

circa un mese fa | 0

Risposto
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...

circa un mese fa | 0

| accettato

Risposto
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...

circa un mese fa | 0

Risposto
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...

3 mesi fa | 0

| accettato

Risposto
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...

3 mesi fa | 0

Risposto
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...

3 mesi fa | 0

Risposto
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...

3 mesi fa | 1

| accettato

Risposto
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...

3 mesi fa | 0

| accettato

Risposto
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....

5 mesi fa | 0

| accettato

Risposto
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. ...

6 mesi fa | 0

Risposto
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...

7 mesi fa | 2

| accettato

Risposto
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/...

8 mesi fa | 0

Risolto


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

oltre un anno fa

Risolto


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

oltre un anno fa

Risolto


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

oltre un anno fa

Risolto


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

oltre un anno fa

Risolto


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

oltre un anno fa

Risolto


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

oltre un anno fa

Risolto


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

oltre un anno fa

Risolto


Return area of square
Side of square=input=a Area=output=b

oltre un anno fa

Risolto


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.

oltre un anno fa

Risolto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

oltre un anno fa

Risolto


Add two numbers
Given a and b, return the sum a+b in c.

oltre un anno fa

Risolto


Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

oltre un anno fa

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