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Sam Marshalik

MathWorks

Last seen: 9 days ago |  Active since 2013

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Answered
Simple parfor loop slow
I don't think ThreadPool will help here. I ran the code in a Process pool and a Thread pool and the runtime was somewhat simila...

3 months ago | 0

| accepted

Answered
Handling memory when working with very huge data (.mat) files.
You are likely running out of memory on the workers. You are not using sliced input variables (Sliced Variables - MATLAB & Simu...

3 months ago | 0

Answered
Failed to Start MJS services on 1 of 1 hostnames
This MATLAB Answer should help you resolve this error.

1 year ago | 0

Answered
Parallelizing For Loops - Issue
You may be able to put the contents of the parfor-loop into a separate function and calling that function from that parfor-loop....

1 year ago | 0

Answered
Distributed array to solve a system of linear equations on a cluster
Hey Melissa, I would not think of distributed arrays as a way to speed up your computation. Distributed arrays are useful for ...

3 years ago | 0

Answered
Why AdditionalPaths of batch() do not work on Web-App-Sever / Parallel Server
Hey Olaf, is this the workflow you are trying to set up: You created an app in Appdesigner which submits a batch job to MATLAB ...

3 years ago | 0

Answered
What Parallel Computing Toolbox functionality can be used without breaking the code for users without PCT?
You are correct that parfor will run as a serial for-loop without Parallel Computing Toolbox. Starting in R2021...

3 years ago | 1

| accepted

Answered
Matlab Parallel Computing - lockdown test error
Can you provide a bit more information as to what you are doing and where you are seeing this error? Can you describe your work...

3 years ago | 0

Answered
Starting Parallel pool on a cluster
I would suggest to reach out to the MathWorks Technical Support team to troubleshoot this. You can reach them by phone or e-mai...

3 years ago | 0

Answered
Cluster allocation of jobs / tasks - parfor
Hello Mark, I am not 100% sure about the answer on this one but I wanted to comment regarding the below: "If any segmen...

11 years ago | 0

Answered
Unable to connect to a MDCS cluster
This is likely caused by mis-configured DNS on one of the hosts. Please log in to the erroring node on the cluster, and try to l...

11 years ago | 0

Answered
Ackward Behavior on Matlab Distributed Computing Server.
Do you receive any errors when you try to open 32 workers right off the bat? Before running matlabpool 32 or similar, can you...

11 years ago | 0