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Nathan Zechar


Last seen: 9 dagen ago Active since 2020

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Why is pagemtimes slower than just coding up the matrix multiplication?
I noticed that pagemtimes is slower than just expanding an equation and coding it on both CPU and GPU. But for GPU it is excepti...

4 maanden ago | 1 answer | 0

1

answer

Answered
Why is pagemtimes slower on GPU than a CPU?
Hello David, I have a similiar problem and have found that pagemtimes is slower than just expanding an equation and coding it on...

4 maanden ago | 0

Submitted


FDTD - 1D, 2D, 3D Simple Free Space Examples
Vectorized FDTD code with GPU functionality for the 3D case. Code is nicely organized and easy to understand.

4 maanden ago | 9 downloads |

Answered
How to multiply higher order matrices?
Here's an example. This is one way of doing it. clear all a = 10; %% Convert 3D matrix to 5D for tensor matrix multiplic...

4 maanden ago | 0

| accepted

Question


How to multiply higher order matrices?
Hello, I am attempting to multiply a 5D 3x3x3x3x3 matrix and a 5D 3x3x3x3x1 matrix in order to produce a 4D matrix of 3x3x3x3 af...

4 maanden ago | 3 answers | 0

3

answers

Question


Large discrepency between CPU and GPU with fftn and ifftn?
Hello, I am using a GPU to compute multipul 3D FFTs. I've come across a problem where the output I am recieving from the GPU FF...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Parallel Processing with Multipul GPUs - fftn
Hello, I was wondering it is possible to utilize multipul GPUs to perform several ffts in a manner where each individual fft cou...

meer dan een jaar ago | 1 answer | 1

1

answer

Question


How much additional memory is needed to perfrom a 3D FFT other than matrix to be transformed? GPU application.
Hello. I'm trying to gain an understanding of how much memory is needed to perform an FFT, and if it is different with respect t...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Alternatives to accumarray for faster calculations?
Hello, I have taken someone else's code which had several for-loops in it, and vectorized the code. The code now runs extremelly...

meer dan een jaar ago | 1 answer | 0

1

answer