195 questions
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Proper treatment of intermediate af::arrays in C++? When can I inline? When must I eval?
In most C++ programming, there are clear rules on when I can inline a variable. What are those rules, in ArrayFire? Let me illustrate with an example:
This is how I would generally structure this ...
- 623
1
vote
1
answer
81
views
Does ArrayFire have a popcount or bitcount function?
I am trying to move away from OpenCL and CUDA into ArrayFire. One of my functions uses the GPU's popcount() to make pre-processing data easier. But I can't find it anywhere in the list of functions in ...
- 39
2
votes
1
answer
254
views
Arrayfire build has issue with OpenCL turned OFF
I'm getting an error with building arrayfire.
I wish to use Arrayfire purely with CUDA, yet the arrayfire build seems to require OpenCL, despite me setting the flag for OpenCL not to be built.
Build ...
- 61
1
vote
1
answer
504
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Arrayfire CPP with CUDA "failed to open libnvrtc-builtins.so.12.2"
For some reason arrayfire isn't working with my nvidia GPU. I'm trying to do this with cmake.
I have the cuda toolkit correctly installed, and followed the linux linux install instructions found here ...
- 61
1
vote
0
answers
66
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Failure to install "RcppArrayFire" package in R because of "This package has a configure script, It probably needs manual configuration..."
I'm trying to install the package "RcppArrayFire" in R v4.3.2.
After having gone round in circles following multiple attempts at various possible ways of installing a package in R, I'm ...
- 11
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1
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31
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Column chaotic reorder in ArrayFire using CUDA or OpenCL backend
I have multiple arrays as separate fields, when I join them together, somehow an specific column gets switched with another column strangely.
All columns have proper data on their own, but shuffled ...
- 1,125
2
votes
2
answers
120
views
Making masks based on euclidean distance with pyopencl, arrayfire or another python opencl library
I am doing 2D or 3D binary masks around given coordinates and then identifying them as labels with scipy.ndimage.label.
Now, I have a cupy solution, a numpy solution. Cupy is fast, numpy is very slow, ...
- 147
1
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0
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245
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Difficulties in installing ArrayFire
I installed the RcppArrayFire R package ( via https://github.com/daqana/rcpparrayfire ) and I am trying to run the following simple example:
#include <RcppArrayFire.h>
// [[Rcpp::depends(...
- 89
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0
answers
44
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Issues installing RcppArrayFire on Linux [duplicate]
I am trying to install the C++ library ArrayFire: https://arrayfire.com/
There is an R package for doing this: https://github.com/daqana/rcpparrayfire
However, I follow the instructions and install ...
- 89
1
vote
1
answer
224
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How to convert between C++ ArrayFire and C++ Eigen matrices?
I am new to Eigen and looking to learn ArrayFire for GPU acceleration. I would like to implement ArrayFire within my existing Eigen code rather than having to re-code all of my functions.
Is there a ...
- 89
1
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1
answer
89
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How to use ArrayFire's Forge visualization in custom area within existing Qt window or DC (Device Context) instead of separate window?
In real world applications we don't want to use a separate window for some plot, is there a way to use a control's DC or a way to use Qt QML as render target for the ArrayFire's Forge library?
- 1,125
1
vote
0
answers
123
views
Why do I get linker errors when building ArrayFire examples
I am using the ArrayFire binaries provided by my Linux distro (Artix Linux, i.e. Arch Linux without Systemd). I want to build the examples, and I get linker errors.
The library is installed here:
> ...
- 13.6k
1
vote
0
answers
124
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ArrayFire: Why doesn't convolution followed by deconvolution return the original image (not even close)
I'm trying to perform a convolution and deconvolution using ArrayFire in C++ for an image deblurring application. For testing purposes I have a 5x5 image and a 3x3 kernel. I convolve the image using ...
- 11
1
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0
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72
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Matlab mldivide and arrayfire solve
I am trying to port some Matlab code to c++ using arrayfire. In one place the Matlab code is like:
tmp = (R\v0);
where R is a 9x9 complex double and v0 is a 9x1 complex double.
in my arrayfire the ...
- 21
3
votes
1
answer
220
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Arrayfire C++ sparse matrix multiplication causes access violation
I am trying to work with sparse matrices in arrayfire but I am getting an access violation somewhere inside array fire dll. I used several examples but always with the same result. I can see the error ...
