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Naveen kumar Elumalai


Last seen: 3 years ago |  Active since 2018

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How to get the data from all the workers to a single worker inside SPMD loop
Nc=3600; spmd n1=numlabs; blocksize = ceil(Nc/n1); start = (labindex-1)*blocksize + 1...

5 years ago | 0 answers | 0

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Question


Error was detected while a MEX-file was running and MATLAB is exiting because of fatal error
I am trying to run the batched version of QR (dgeqrfbatched) in matlab using CUBLAS by calling it from a mex file. I am struck w...

5 years ago | 1 answer | 0

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how to run Gpu and Cpu in parallel in for loop?
for i=1:10 A(:,:,i)=rand(5,5); [q1,r1]=qr(A(:,:,i)); end I wanted cpu and gpu's to communicate with itself about the...

5 years ago | 1 answer | 0

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mexcuda not finding CUDA 10.0 even after I specify it via setenv('MW​_NVCC_PATH​',...)
I have set the path of MW_NVCC_PATH to setenv('MW_NVCC_PATH','C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.0\bin') ...

5 years ago | 1 answer | 0

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Question


How to convert this without using for loop for gpu computing?
A2 is a Gpu array(600*104*36) Code: for n=1:36 [Q(:,:,n),R(:,:,n)]=qr(A2(:,:,n),0); end

6 years ago | 0 answers | 0

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Answered
Is there a way to run this loop in gpu and will it consume lesser time compared to parallel cpu computation time?
This is taking so much time than the normal cpu execution

6 years ago | 0

Question


Is there a way to run this loop in gpu and will it consume lesser time compared to parallel cpu computation time?
N=50; for n=1:8 b=rand(300,103); w=rand(300,1); [Q,R]=qr(b,0); A(:,:,n);=R end

6 years ago | 1 answer | 0

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Question


how do i store a matrix value inside a parfor loop?
I wanted to use the A matrix outside the parfor loop for further computation, i get an error stating "cannot run due to way vari...

6 years ago | 1 answer | 0

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Question


How can i save the temporary variable inside the parfor loop for the below code ? i have also tried using SPMD but it takes more time that the normal problem running in one core takes and how will i be able to find the thread number of each worker ?
i wanted to save the temp variable 'temp' and i cant find any way to do it..i would appreciate any help thank you C is 300x...

6 years ago | 1 answer | 0

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