Joss Knight
MathWorks
Although I cannot be contacted directly, if you would like to ask me a question all you have to do is mention "GPU" somewhere in your MATLAB Answers question.
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Contribute at least one answer each month for 36 consecutive months
Awarded to Joss Knight on 03 Aug 2018
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Awarded to Joss Knight on 19 May 2018
Answer 3 questions that were unanswered for more than 30 days
Awarded to Joss Knight on 20 Jul 2017
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Awarded to Joss Knight on 20 Jul 2017
Content Feed
Optimizing distance calculation between vectors and pixels
I feel like I haven't fully understood what you're after here, but |pdist2| is the function you're supposed to use to compute di...
alrededor de 16 horas hace | 0
The value of 'ValidationData' is invalid. Duplicate table variable name: 'input'. error during neural network training
augmentedImageDatastore returns a table so cannot be trivially combined. You should first transform it to convert it into a cell...
13 días hace | 0
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How to apply a 2D matrix input to a trainNetwork?
Consult the documentation here. Typically sequence data is passed in as a cell array. In each cell you would be passing one seq...
18 días hace | 0
I would like to train a smallish network using cpu cores in parallel rather than gpu as they are slower.
setenv CUDA_VISIBLE_DEVICES -1 when you first start MATLAB, assuming you are running everything locally. However, as a general...
18 días hace | 0
Faster three dimensional higher order interpolation?
Thanks for the request, it will help us prioritise future work. In the meantime, it is possible to write your own interpolation ...
alrededor de 1 mes hace | 0
How to solve "Unexpected error calling cuDNN: CUDNN_STATUS_EXECUTION_FAILED." error?
The Ada GPU architecture is not supported in R2018b. You need to upgrade MATLAB. You should have received a warning about this w...
alrededor de 2 meses hace | 0
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Will self-written exe application run on GPU on other PC?
Yes, if your other PC has a supported GPU your application will run on it. Isn't MATLAB great?!
alrededor de 2 meses hace | 0
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Error at linking stage using mexcuda
Relocatable device code needs to be linked by nvcc using -dlink before it can be linked to host code using the C linker, so you'...
2 meses hace | 0
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OCR returns slightly different results on different machines
This is expected for any highly optimized code like this. Even for two Intel machines, the core count will affect how operations...
3 meses hace | 1
Will the MATLAB Answers community diminish/obsolete with the rise of AI-based chatbots?
You look like you are asking a question about how AI-assisted automation will change MATLAB Answers in the coming years and pote...
3 meses hace | 3
The matlab mexw64 file generated by mexcuda cannot be executed in the standalone app generated by matlab('parallel.gpu.GPUDeviceManager.selected' cannot be detected))
MATLAB Compiler's dependency analyzer cannot detect your dependency on PCT. Either add the product manually or call something ex...
3 meses hace | 0
Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.
If you click on the line number in the editor next to where you create your function layer, you can put a breakpoint at the entr...
3 meses hace | 0
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Using a "CUDAKernel" type object within a parfor loop
A CUDAKernel object cannot be serialized, as you've found, so you will need to construct it separately on each worker. However, ...
3 meses hace | 2
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Performance drop on mobile RTX4080
The 4080 is a good 10x slower than the V100 in double precision so this doesn't surprise me - it is designed for workstation gra...
3 meses hace | 0
Using experiment manager on single GPU
It does depend on the balance of CPU and GPU work in your experiment, but as a general rule parallel execution will gain you not...
3 meses hace | 0
Memory issue with texture in mexCUDA compiled code
It looks like the syntax for your function |mxArrayToTexture_3D_float4| is incorrect. You are passing the pointer |cuArray| by v...
4 meses hace | 0
host compiler failed but others all passed with 'coder.checkGpuInstall('full')'
MSVC 2022 was not supported by the NVIDIA CUDA compiler in R2022b. You either need to install MSVC 2019 (or 2017) or upgrade MAT...
4 meses hace | 0
cannot set gpu option in MBPO for catpole example
I do not see any |UseDevice| property in the <https://uk.mathworks.com/help/reinforcement-learning/ref/rl.option.rloptimizeropti...
4 meses hace | 1
How to perform Eigenvalue Decomposition e.g, eig() on multiple GPUs？
eigendecomposition is a highly serial algorithm so that's why simple multi-process solutions aren't easy to find and why the GPU...
5 meses hace | 0
Problem: Image segmentation of forest area using CNN and MATLAB's BLOCKPROC function.
In the documentation for semanticseg it says that the output is a categorical array. Converting to uint8 would normally work, b...
5 meses hace | 0
Summing array elements seems to be slow on GPU
These are my results that I got on my (somewhat old) GeForce GTX 1080 Ti: CPU time: 16.1288 GPU time: 0.96266 If I change the...
5 meses hace | 0
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Summing array elements seems to be slow on GPU
Why are you recomputing H and HU inside the loop? They do not change. If you remove the sum, because the results are never used ...
5 meses hace | 1
Examples of GPU do not work
This isn't a demo it's a blog from 11 years ago, and unfortunately it's using syntax that was removed from MATLAB 9 years ago. I...
5 meses hace | 1
Half precision using GPU
As pointed out, gpuArray does not support half. The main reason is that half is an emulated type only meaningful for deployment ...
6 meses hace | 1
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How to uncompress data faster than using for loop
No, |arrayfun| and |cellfun| are just convenient ways of writing loops, they don't have any special magic and often cause certai...
6 meses hace | 1
how can i use fitrgp() function for gpuarray?
|fitrgp| does not support gpuArray inputs, sorry.
6 meses hace | 0
Trouble using one of my GPUs
Hi Rohan. You may have to consult the documentation for your toolkit. The Titan RTX is a Turing card and may post-date the most ...
6 meses hace | 0
Error using gpuArray/norm Failed to initialize GPU cuSOLVER library.
|cuSolver| is an NVIDIA library that is included with your MATLAB installation. It makes no difference what versions of the CUDA...
6 meses hace | 0
mexcuda how to declare a matrix with size N given in input
Hi Charlotte. If you just want to pass an ordinary scalar value to a mex function then use the ordinary Mex API rather than the ...
6 meses hace | 0
How can we use Nadam optimizer in place of sgdm in training deep learning networks
You cannot do this using trainNetwork. You need to use a dlnetwork with a <https://uk.mathworks.com/help/deeplearning/ug/train-n...
6 meses hace | 0
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