ArrayFire Users

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Welcome to the ArrayFire Users Group. This is our primary mailing list and forum for technical discussions about ArrayFire.

Feel free to post here about issues, new feature requests etc.

When creating a post about an error, please try to include the following:

Output from af::info
If af::info is not available, please enter OS, ArrayFire Commit ID (7 character alphanumeric code), Device name/model number, backend used
Any relevant information/code to reproduce the error

We may ask you to create issues on our GitHub repository.

ArrayFire binaries/installers are available at: http://arrayfire.com/download/

ArrayFire build instructions are available at: https://github.com/arrayfire/arrayfire/wiki

For blogs, examples, benchmarks etc visit http://arrayfire.com/blog/

For consulting, support or training opportunities, visit http://arrayfire.com/.

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David Jennings

Jun 17

Linux installer for 3.8.2

Hello all. Are there plans for a linux installer for 3.8.2? There appears to only be one for OSX and

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Linux installer for 3.8.2

Hello all. Are there plans for a linux installer for 3.8.2? There appears to only be one for OSX and

Jun 17

David Jennings

Jun 17

CUDA Toolkit compatibility

Hi. I'm trying to work out a definitive list of compatible CUDA Toolkit versions for different

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CUDA Toolkit compatibility

Hi. I'm trying to work out a definitive list of compatible CUDA Toolkit versions for different

Jun 17

eli chan

May 22

How to implement "apply_along_axis" ?

I want to use "gfor" to do simple parallel looping. My line of thought is to: 1) create a

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How to implement "apply_along_axis" ?

I want to use "gfor" to do simple parallel looping. My line of thought is to: 1) create a

May 22

Paul Arnald

May 22

Do I need any kind of conversion between GLM and ArrayFire Matrices?

Of course I would like to make a GPU program to calculate vertex locations. There should be an

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Do I need any kind of conversion between GLM and ArrayFire Matrices?

Of course I would like to make a GPU program to calculate vertex locations. There should be an

May 22

Joe Chan

May 17

How to import gpu Video Streaming Data from ffmpeg?

I need to do some real-time post-processing of decoded frame in gpu memory. It will be very

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How to import gpu Video Streaming Data from ffmpeg?

I need to do some real-time post-processing of decoded frame in gpu memory. It will be very

May 17

matthieu debailleul, Umar Arshad3

May 16

Arrayfire/openCV 4.2 Problem

Hi Umar, thank you for this answer :) Actualy l solved the problem with a workaround. At first, I

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Arrayfire/openCV 4.2 Problem

Hi Umar, thank you for this answer :) Actualy l solved the problem with a workaround. At first, I

May 16

Joe Chan, Umar Arshad2

May 12

How to do af::replace based on col_index?

Try: Assuming RGB: a(seq(w/2), span, 2) = 255: On Friday, April 22, 2022 at 2:28:04 AM UTC-4 free...@

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How to do af::replace based on col_index?

Try: Assuming RGB: a(seq(w/2), span, 2) = 255: On Friday, April 22, 2022 at 2:28:04 AM UTC-4 free...@

May 12

ArrayFire Users, … John Melonakos5

May 12

Showcase your project using ArrayFire

Hello Everyone! We're working on a new community website for you all. Part of the website will

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Showcase your project using ArrayFire

Hello Everyone! We're working on a new community website for you all. Part of the website will

May 12

dwkim

Mar 12

options for af::Window::image

Hello, I'm using af::Window::image function to plot 2-D data. I'd like to plot 2-D data with

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options for af::Window::image

Hello, I'm using af::Window::image function to plot 2-D data. I'd like to plot 2-D data with

Mar 12

Jack Wells

Mar 11

'gfor' dim_t parameter variation within loops / PARTIAL unwrap() function

Hi all, many thanks in advance if anyone is able to help me solve this issue. I have recently started

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'gfor' dim_t parameter variation within loops / PARTIAL unwrap() function

Hi all, many thanks in advance if anyone is able to help me solve this issue. I have recently started

Mar 11

gd l, John Melonakos3

Mar 1

cuda problem

Wonderful, let us know if there are any other questions as you make progress. On Thursday, February

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cuda problem

Wonderful, let us know if there are any other questions as you make progress. On Thursday, February

Mar 1

Haydn Vestal, uma...@gmail.com4

Jan 27

Ubuntu install broken by 3.8.1 release

Thanks Umar! On Wednesday, January 26, 2022 at 2:39:45 PM UTC-6 uma...@gmail.com wrote: I have

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Ubuntu install broken by 3.8.1 release

Thanks Umar! On Wednesday, January 26, 2022 at 2:39:45 PM UTC-6 uma...@gmail.com wrote: I have

Jan 27

ArrayFire Users, … ste...@arrayfire.com19

Jan 24

Announcement

Releases

v3.8.1 ArrayFire v3.8.1 has been released! Download binaries at https://arrayfire.com/download/. The

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Announcement

Releases

v3.8.1 ArrayFire v3.8.1 has been released! Download binaries at https://arrayfire.com/download/. The

Jan 24

Alex Shroyer

Jan 11

How to free sparse array?

Hi, I'm wondering why the memory seems to not be freed in this example, and how to free memory

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How to free sparse array?

Hi, I'm wondering why the memory seems to not be freed in this example, and how to free memory

Jan 11

Avinash Rangarajan, uma...@gmail.com2

Jan 5

createStridedArray()

Hey Avinash, You should include af/internal.h in your file. This is a special header so you need so

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createStridedArray()

Hey Avinash, You should include af/internal.h in your file. This is a special header so you need so

Jan 5

Alex Shroyer

12/17/21

How do you know how much data your GPU can handle?

I have an old GPU with 4GB on-device, but when I tried to do an ArrayFire operation on an array of

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How do you know how much data your GPU can handle?

I have an old GPU with 4GB on-device, but when I tried to do an ArrayFire operation on an array of

12/17/21

Alex Shroyer, John Melonakos3

12/6/21

row-major matmul?

Great! On Mon, Dec 6, 2021 at 1:33 PM Alex Shroyer <ashroyer@gmail.com> wrote: Ah, here it is:

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row-major matmul?

Great! On Mon, Dec 6, 2021 at 1:33 PM Alex Shroyer <ashroyer@gmail.com> wrote: Ah, here it is:

12/6/21

Alex Shroyer, … John Melonakos6

12/5/21

How is af_array data arranged in memory?

Wonderful, let us know if you have any other questions. On Sun, Dec 5, 2021 at 12:12 PM Alex Shroyer

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How is af_array data arranged in memory?

Wonderful, let us know if you have any other questions. On Sun, Dec 5, 2021 at 12:12 PM Alex Shroyer

12/5/21

Theodoulis, John Melonakos2

11/29/21

Status of ArrayFire ML and Automatic Differentiation

Facebook picked up ArrayFire-ML and has added a ton of features in the Flashlight project, built

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Status of ArrayFire ML and Automatic Differentiation

Facebook picked up ArrayFire-ML and has added a ton of features in the Flashlight project, built

11/29/21

morteza Namvar

11/29/21

Non-blocking data transfer between device and host

Hi everybody Is it possible to use non-blocking data transfer between host and device in ArrayFire?

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Non-blocking data transfer between device and host

Hi everybody Is it possible to use non-blocking data transfer between host and device in ArrayFire?

11/29/21

Muhammad Hassan Khan

11/17/21

Using ArrayFire with Boost Compute Library

Hi, I am trying to run a code which uses functions from both boost compute library and arrayfire

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Using ArrayFire with Boost Compute Library

Hi, I am trying to run a code which uses functions from both boost compute library and arrayfire

11/17/21

Alex Shroyer, uma...@gmail.com5

10/25/21

Trouble translating to C API

Thanks Umar, that makes sense. On Monday, October 25, 2021 at 12:02:11 PM UTC-4 uma...@gmail.com

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Trouble translating to C API

Thanks Umar, that makes sense. On Monday, October 25, 2021 at 12:02:11 PM UTC-4 uma...@gmail.com

10/25/21

Dhia Slama

10/23/21

Indexing issue

Hi, I have an issue converting loops in c++ code into vectorized arrayfire arrays : for (int k = 0; k

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Indexing issue

Hi, I have an issue converting loops in c++ code into vectorized arrayfire arrays : for (int k = 0; k

10/23/21

Alex Shroyer, … uma...@gmail.com5

10/23/21

libafcpu.so.3: cannot open shared object file

Thanks, I installed in /opt/arrayfire to keep things simpler for now. It might have been that I only

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libafcpu.so.3: cannot open shared object file

Thanks, I installed in /opt/arrayfire to keep things simpler for now. It might have been that I only

10/23/21

Mpereke Evans, Pradeep Garigipati3

10/19/21

error af::replace(af::array&, af::array const&, double const&) in /opt/arrayfire/lib64/libafcuda.so.3

A workaround to this problem is to use a the "select" function instead of "replace

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error af::replace(af::array&, af::array const&, double const&) in /opt/arrayfire/lib64/libafcuda.so.3

A workaround to this problem is to use a the "select" function instead of "replace

10/19/21

vduva...@gmail.com, Pradeep Garigipati4

10/5/21

On Windows in VisualStudio 2019 when using af.lib only CUDA GPU shows up...

If you are trying to ascertain available devices per backend and switch if one backend doesn't

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On Windows in VisualStudio 2019 when using af.lib only CUDA GPU shows up...

If you are trying to ascertain available devices per backend and switch if one backend doesn't

10/5/21

vduva...@gmail.com, Pradeep Garigipati3

10/4/21

Placing < windows.h> before <arrayfire.h> causes compilation errors

Thank you Pradeep. That solved this issue. On Monday, October 4, 2021 at 12:27:46 AM UTC-4 Pradeep

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Placing < windows.h> before <arrayfire.h> causes compilation errors

Thank you Pradeep. That solved this issue. On Monday, October 4, 2021 at 12:27:46 AM UTC-4 Pradeep

10/4/21

thomas d, Pradeep Garigipati2

10/4/21

arrayfire on nvidia jetson xavier cuda 10.2

Hello Thomas, Are you referring to the tegra x1 sh file for version 3.5.1 ? On Mon, Oct 4, 2021 at 6:

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arrayfire on nvidia jetson xavier cuda 10.2

Hello Thomas, Are you referring to the tegra x1 sh file for version 3.5.1 ? On Mon, Oct 4, 2021 at 6:

10/4/21

Muneer, … John Melonakos6

9/27/21

Partial sorting of an array

I saw that this thread is the 26th reference in a recently published paper, https://arxiv.org/pdf/

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Partial sorting of an array

I saw that this thread is the 26th reference in a recently published paper, https://arxiv.org/pdf/

9/27/21

Chen Larry, ste...@arrayfire.com2

9/16/21

cannot find entry point on windows

You need to add the ArrayFire libraries to the PATH for runtime linking, usually at "C:\Program

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cannot find entry point on windows

You need to add the ArrayFire libraries to the PATH for runtime linking, usually at "C:\Program

9/16/21