Answered
error of GPU, net = trainNetwork(datastore, lgraph, options);
You are using your display GPU for computation and it does not have enough capacity. Try disabling all hardware acceleration for...

2 years ago | 1

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Answered
How to train a sequence to classification network on GPU
This performance discrepancy is normal. Small sequence networks often cannot benefit from GPU parallelism, especially if they us...

2 years ago | 0

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gpuArray large sparse arrays. Error codes: "CUSPARSE_INTERNAL_ERROR" / "UNKNOWN_ERROR"
Hi Joseph. It's hard to be definitive. There were some problems with cusparse and also Windows drivers when supporting the newes...

2 years ago | 0

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NVIDIA A2 performance in Matlab R2023b is lousy
The A2's spec says its double precision performance is 140 GFLOPS vs the V100's 7 TFLOPS, so this is pretty much expected. Even ...

2 years ago | 3

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Answered
Is there a utility like nvidia-smi within matlab to determine which gpus are in current use?
gpuDeviceTable is the utility for listing your devices and their properties. You can also see all your devices in the Parallel m...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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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...

2 years ago | 0

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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 ...

2 years ago | 0

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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...

2 years ago | 0

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Answered
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?!

2 years ago | 0

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Answered
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 years ago | 0

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Answered
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...

2 years ago | 1

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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...

2 years ago | 3

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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...

2 years ago | 0

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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...

2 years ago | 0

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Answered
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, ...

2 years ago | 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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 1

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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Answered
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 ...

2 years ago | 1

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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...

2 years ago | 1

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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 ...

2 years ago | 1

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Answered
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...

2 years ago | 1