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Raymond Norris


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MathWorks

77 total contributions since 2003

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Answered
why the command coder.checkGpuInstall(envCfg) failed in a CPU worker
Hi Mikaël, MATLAB Coder and GPU Coder can be used by workers in interactive sessions (i.e. parpool). See more about what other...

7 Tage ago | 0

Answered
Using symbolic subs call inside parfor loop
Hi Antonio, You're just not giving each of the workers enough work to do. Maybe you only need to run nT=5, but see what happen...

9 Tage ago | 0

Answered
How to use parpool for different expressions ?
Hi Ole, The parpool command will start a pool of workers (in this case most likely on your 4-core machine). Conceptually, thin...

10 Tage ago | 0

Answered
Cannot access the function predict() in R2020b with statistics toolbox
Hi Pistachio, predict ships in the System Identification Toolbox. Thanks, Raymond

16 Tage ago | 0

Answered
Invalid path error during making Simulink target with GPU acceleration
Hi Filip, I would suggest contacting Technical Support (support@mathworks.com). Raymond

23 Tage ago | 0

Answered
using parallel computing outside a loop
Hi Aref, You don't explain how you're already using parfor -- that could negate what else you can do. Here's a crude example, ...

23 Tage ago | 1

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Answered
HPC MATLAB parpool and speed
Hi Ruan, There are two ways to speed up your code, implicitly and explicitly. You don't have much control over implicitly. MA...

27 Tage ago | 0

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Answered
read tiff image in parfor
Hi Wenjie, The file descriptor in the process of your MATLAB client (outside of the parfor) does not transfer to the processes ...

27 Tage ago | 0

Answered
Change folder that Matlab saves session information
If you run local parallel pools, the metadata is also stored in ~/.matlab (by default for Linux). You might consider deleting i...

27 Tage ago | 0

Answered
Why parfor cannot handle this
Hi Hussein, All MATLAB tokens must either be functions or variables. Keep in mind, regardless of whether or not code will be e...

28 Tage ago | 0

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Answered
My Home Licence on AWS Workspace with Parallel Computing only allows max of 2 Workers
Hi Sione, I'm going to check that the Home Edition doesn't impose any restrictions. With that said, could you clarify a few po...

30 Tage ago | 0

Answered
Any toolbox to use to increase the performance of the simulations using GPU?
Hi, To make use of your NVIDIA GPU, you'll need to install the Parallel Computing Toolbox. Please see the following for MATLAB...

etwa ein Monat ago | 0

Answered
While executing Deep learning code , I am getting an error regarding GPU
Hi Krishna, It would apprear as though you don't have a supported GPU. What do you get when you run gpuDeviceCount gpuDevice...

etwa ein Monat ago | 0

Answered
Installing MatLab 2018b software on LInux: install_unix not found
Hi Mikael, Probably best to reach out to Technical Support (support@mathworks.com). Raymond

etwa ein Monat ago | 0

Answered
use parfor if larger than certian size
Hi Shane, There might be several options here, in no particular order 1. For starters, you might consider starting the...

etwa ein Monat ago | 0

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Answered
Adding gnu parallel to Matlab search path
Hi Nicole, I would suggest contacting Technical Support (support@mathworks.com). They would be able to figure out if GNU paral...

etwa ein Monat ago | 0

Answered
How can I get mpiprofile information from a parfor script?
Hi John, Prior to R2020a, you need to call mpiprofile within pmode or a parallel job, as shown in this example: https://w...

etwa ein Monat ago | 2

Answered
Parallel.Job error message when 'PathDependencies' are set
Hi Kat, Try set(j, 'AdditionalPaths', PathsToAdd) Also, when using tab completion (as you type "set(j, ") you should see Addi...

etwa 2 Monate ago | 1

Answered
To perform cloud/ edge computing using matlab, got to know that I have to use parallel server toolbox. As, I'm a research student. Can I buy "student suite" licence matlab, without any additional charges for using AWS cloud.
Hi Divyashree, MathWorks has several Cloud solutions www.mathworks.com/cloud It's possible that your university already ...

etwa 2 Monate ago | 0

Answered
Can I simulate this example (diffraction pattern) on my CPU not my GPU?
Hi Muhamed, In the best situation, by simply casting your data to a GPU, the code following the data creation will run, so long...

etwa 2 Monate ago | 1

| accepted

Answered
Conversion to double from gpuArray is not possible.
Raza, My guess is that forwardLoss takes one or more input arguments, one of which is being passed a gpuArray instead of a doub...

etwa 2 Monate ago | 0

Answered
Matlab 2020a-AWS cluster
Hi Kevin, Start a parallel pool and then run your GPU code from within a parallel construct. For example: % Time x = A\b on C...

etwa 2 Monate ago | 0

Answered
Is it possible to run more than one external command using MATLAB simultaneously?
Hi Akhila, The system doc describes one option of putting the command in the background To execute the operating system comman...

etwa 2 Monate ago | 0

Answered
How to use parfor function to update a 2d array
Hi Ammar, As you've written, yes, this will work fine. Reference this doc for any troubleshooting. https://www.mathworks.com/...

etwa 2 Monate ago | 0

| accepted

Answered
Error in Parallel for Loops in MATLAB R2020a
Hi Yacoub, Here's what's happening (has nothing to do with missing toolboxes, etc.). You've started with something similar to ...

2 Monate ago | 0

Answered
Why parfor loop memory keep increasing?
Hi Luqman, Two suggestions: Look at ticBytes/tocBytes to see how much data is being passed through to parfor If you're able t...

2 Monate ago | 1

| accepted

Answered
How do MATLAB workers/PC cores divide the work in a parallelized optimization inside a parfor loop?
Hi Taro, Do you want to run gamultiobj 20 (in this example) times? If so, then parfor will run quicker than for. However, the...

2 Monate ago | 1

| accepted

Answered
Did parfor actually run on the cluster
Hi Mao, If a parpool is not already running, when MATLAB executes a parallel construct (e.g. parfor), then it will start one, u...

2 Monate ago | 0

Answered
deep network quantizer does not work
Hi Kaijiun, Looks like you have the right ComputeCapability (6.1). Just a quick check: in addition to the Deep Learning Toolbo...

2 Monate ago | 0

| accepted

Answered
Avoid repetition in job diary when running code in parallel
Hi Linnéa, The batch command with a Pool argument is a wrapper to createCommunicatingJob of type Pool (not SPMD). That simply ...

2 Monate ago | 1

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