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Jason Ross


MathWorks

454 total contributions since 2011

I work in Quality Engineering at The MathWorks, primarily on the Parallel Computing Toolbox. My background includes experience in systems administration, mechanical engineering and software engineering. Personal interests include my kids, my car, house projects, reading, barbecue, role playing games and personal fitness. Please note that I contribute to Answers when I can. Personal messages will likely go unanswered. Please submit questions to the forum.

Professional Interests: software design, testing, high-performance computing

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Answered
for / parfor within if
You can control if a loop is run with parallel workers or not by changing the number of workers. See "Test parfor-Loops by Switc...

14 dagar ago | 1

Answered
How can I access a Matlab web app from another computer?
It sounds more like a networking issue than an application issue if you can see it from localhost. Check the following: Check i...

15 dagar ago | 0

Answered
Parallel Server: UndefinedFunction error was thrown on the workers
It sounds like the installation on the server may be missing the toolbox installation? Generally when installing Parallel Server...

21 dagar ago | 0

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Answered
Where is the "MATLAB support for IOS sensors" located for MATLAB Ver. r2019a
You can find a list of all the Apple support packages here You should also be able to find it through the Add-Ins and Get Hardw...

30 dagar ago | 0

Answered
The number of workers in PARPOOL is limited to 6 on Linux Cluster
It will be very useful to see the error message. It's also not clear what scheduler you are using -- is this a local scheduler...

ungefär en månad ago | 0

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Answered
Is Matlab path automatically added to evironment variables after installation?
You should set up your application to find the correct/desired installation of MATLAB and use it. Relying on the path leaves you...

ungefär en månad ago | 0

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Answered
Issue Running Parallel Toolbox
Looks like the permissions in that directory are not correct or have been corrupted. The easiest thing to try is exiting MATLAB...

ungefär en månad ago | 1

Answered
What is the version number for Parallel Server?
It depends on the version of MATLAB that you are running -- use the "ver" command to find it.

ungefär 2 månader ago | 1

Answered
Server configuration for running MATLAB
Questions I would ask if someone came to me: You mention that 5-6 users will be accessing this machine. What sort of access pat...

2 månader ago | 0

Answered
MATLAB R2019b does not use CUDA 10.1
Run nvidia-smi in a terminal window and see what driver version is reported. It sounds like you have a 10.0 driver and need to u...

2 månader ago | 1

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Answered
Issues with Hadoop Configuration
That's too bad ... looking through my notes for my setup here: Did you distribute yarn-site.xml to all the nodes and restart ya...

2 månader ago | 0

Answered
Can I ues Nvidia GPU SLI bridges for better Deep Learning performance ?
Short answer: no and no. Looking at this previous question and then finding the relevant section in the current CUDA programmin...

2 månader ago | 0

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Answered
Issues with Hadoop Configuration
The instructions for R2019b are here. Note that there have been some changes in setting up and configuring the integration over ...

2 månader ago | 0

Answered
cluster connection test fail
The simplest possible solution is to explictly set the version of HPC Server you are connecting to in the cluster profile to mat...

3 månader ago | 0

Answered
MATLAB 2R2019a Parallel Server : (MLM) UNSUPPORTED: "MATLAB" (PORT_AT_HOST_PLUS )
MATLAB Parallel Server has a different license (aka "feature") line than MATLAB does. So when you are trying to start a worker, ...

3 månader ago | 0

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Answered
How to I pass off a Simulink application command syntax to MATLAB Job Scheduler on a local cluster?
Are the parsim or batchsim commands applicable to your workflow? They are designed to parallelize simulations.

3 månader ago | 0

Answered
Matlab answers no longer lets me cut an paste
I also use vi (it's actually vim on my distro, not vanilla vi) and I noticed copy and paste issues in places. I found a number o...

3 månader ago | 0

Answered
How to make command line free while a program rans?
You can use the batch function to send work to a parallel worker and then retrieve the results later. While the batch job is run...

3 månader ago | 1

Answered
GPU support for newer cards
Since it's a Turing card, it should be recognized by GPUDevice.

3 månader ago | 0

Answered
Is native Macintosh/AMD/OpenCL support available?
MATLAB only supports nVidia GPUs and CUDA for GPU calculations through the Parallel Computing Toolbox. The list of supported GPU...

3 månader ago | 0

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Answered
Are my GPU results reasonable?
Looking at the Wikipedia page for NVidia GeForce 10 series GPUs, the benchmark results seem to agree. The double precision GFLOP...

4 månader ago | 1

Answered
unable to pass "Parallel pool test" on remote Parallel server
The required ports are documented here. Note that they are configurable in the mdce_def or mjs_def (.bat or .sh, dependingon pl...

4 månader ago | 0

Answered
How can I open a worker pool on a remote machine?
This is the purpose of MDCE / MATLAB Parallel Server. It allows you to run the MATLAB job scheduler on a collection of machines,...

8 månader ago | 0

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Answered
Setting -configCluster- in Matlab 2018b
configCluster sounds like a tool that was developed at your site -- I am not familiar with it, and I can't find any references i...

8 månader ago | 0

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Answered
What should be the suitable system configuration/hardware specification to work on Convolutional Neural Network (CNN) for hyperspectral imaging?
If you want to do GPU processing, your best bet is to get a GPU that is not driving display, so it can be put into TCC mode and ...

10 månader ago | 0

Answered
Parallel Computing workers problem
There are a few things to make a cluster using multiple machines. You need to install MDCS (MATLAB Distributed Computing Server...

10 månader ago | 0

Answered
Failed to start a 'local' parpool of 32 workers
There seems to be an issue accessing your home directory. Try changing the JobStorageLocation to a local directory on the host, ...

11 månader ago | 0

Answered
Any way to get Matlab to execute a command, if a script runs into an error and terminates?
I largely concur with the try/catch approach already suggested by others. There is functionality built into the Parallel Computi...

ungefär ett år ago | 0

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Answered
Can I install parallel compute toolbox without full installation of Matlab?
It is possible to compile an application on MATLAB and then submit that application to run on the cluster. The documentation is ...

ungefär ett år ago | 0

Answered
Can I use MATLAB and Parallel Toolbox to run on a single server and utilize all 40 processing cores on a server with 4 -10 core cpu sockets?
Yes, the local scheduler allows this. You probably need to change your parallel preferences to prefer a cluster size of 40. Sele...

mer än ett år ago | 0

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