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/.

0 selected

Gustavo Stahl, John Melonakos2

Jan 25

How to use batched 2D convolution

Linking to StackOverflow so that readers can see the answer to this thread. https://stackoverflow.com

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How to use batched 2D convolution

Linking to StackOverflow so that readers can see the answer to this thread. https://stackoverflow.com

Jan 25

Erlend Powell, John Melonakos2

Jan 25

Is ArrayFire suitable for Image Coordinate Re-Projection

ArrayFire's JIT runtime handles much of what you are describing. Check out this post to

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Is ArrayFire suitable for Image Coordinate Re-Projection

ArrayFire's JIT runtime handles much of what you are describing. Check out this post to

Jan 25

Aaron Hsu

11/14/22

Managing releasing of arrays in the C API

With the C API, with operations like this: af_cast(A, B, ...); af_retain_array(A, B); af_tile(A, B, .

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Managing releasing of arrays in the C API

With the C API, with operations like this: af_cast(A, B, ...); af_retain_array(A, B); af_tile(A, B, .

11/14/22

DMG, ste...@arrayfire.com2

11/7/22

A simple metho to write array without using saveArray

If these are sparse matrices I think it'd be easiest to use the three sparseGetColdx,

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A simple metho to write array without using saveArray

If these are sparse matrices I think it'd be easiest to use the three sparseGetColdx,

11/7/22

Guillaume Schmid, John Melonakos2

11/7/22

Pb with slow GPU date transferts with OpenCL on Intel.

Due to ArrayFire's lazy evaluation, you will need to benchmark individual parts by adding "

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Pb with slow GPU date transferts with OpenCL on Intel.

Due to ArrayFire's lazy evaluation, you will need to benchmark individual parts by adding "

11/7/22

eli chan

7/10/22

How to compile the example on Interop_cuda.htm

The following code is extracted from https://arrayfire.org/docs/interop_cuda.htm. When I try to

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How to compile the example on Interop_cuda.htm

The following code is extracted from https://arrayfire.org/docs/interop_cuda.htm. When I try to

7/10/22

Shivanshu Raj

7/7/22

Exception thrown at 0x00007FFECF286880 (afopencl.dll)

example code when run,gives me this error.Intel Iris Xe and I have openCL driver installed. static

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Exception thrown at 0x00007FFECF286880 (afopencl.dll)

example code when run,gives me this error.Intel Iris Xe and I have openCL driver installed. static

7/7/22

David Jennings

6/17/22

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

6/17/22

David Jennings

6/17/22

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

6/17/22

eli chan

5/22/22

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

5/22/22

Paul Arnald

5/22/22

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

5/22/22

Joe Chan

5/17/22

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

5/17/22

matthieu debailleul, Umar Arshad3

5/16/22

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

5/16/22

Joe Chan, Umar Arshad2

5/12/22

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...@

5/12/22

ArrayFire Users, … John Melonakos5

5/12/22

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

5/12/22

dwkim

3/12/22

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

3/12/22

Jack Wells

3/11/22

'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

3/11/22

gd l, John Melonakos3

3/1/22

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

3/1/22

Haydn Vestal, uma...@gmail.com4

1/27/22

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

1/27/22

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

1/24/22

Announcement

Releases

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

unread,

Announcement

Releases

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

1/24/22

Alex Shroyer

1/11/22

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

1/11/22

Avinash Rangarajan, uma...@gmail.com2

1/5/22

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

1/5/22

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 <ashr...@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 <ashr...@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

unread,

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

unread,

Indexing issue

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

10/23/21