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

Stewart Wadsworth

Jun 28

Convolution confusion

Not sure what I'm missing. I thought I was doing something pretty simple: I have a "mono16

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Convolution confusion

Not sure what I'm missing. I thought I was doing something pretty simple: I have a "mono16

Jun 28

Aaron Hsu, uma...@gmail.com4

May 2

Debug Symbols for binary installations?

Hi Dr. Hsu, We changed the way we built the binaries in the latest release to reduce the binary sizes

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Debug Symbols for binary installations?

Hi Dr. Hsu, We changed the way we built the binaries in the latest release to reduce the binary sizes

May 2

Socrates de Oliveira Dantas

Apr 11

Fedora 39 and CUDA 12.4 and gcc 13.3

Dear all, Did someone built arrayfire 3.9 on top of Fedora39, CUDA 12.4 and gcc 13.3? I did using

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Fedora 39 and CUDA 12.4 and gcc 13.3

Dear all, Did someone built arrayfire 3.9 on top of Fedora39, CUDA 12.4 and gcc 13.3? I did using

Apr 11

Aaron Hsu, John Melonakos2

Feb 26

Tridiagonal Solver

There is no tridiagonal solver today. Thanks for this suggestion, though. We should add one. On Mon,

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Tridiagonal Solver

There is no tridiagonal solver today. Thanks for this suggestion, though. We should add one. On Mon,

Feb 26

Nathan Madutujuh, … Nathan Madutujuh3

Feb 18

Delphi support for ArrayFire

Thank you for the answer. Yes, Delphi Studio can compile Delphi and C++ modules together. I am

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Delphi support for ArrayFire

Thank you for the answer. Yes, Delphi Studio can compile Delphi and C++ modules together. I am

Feb 18

Nathan Madutujuh

Feb 18

Using ArrayFire with Delphi

dear all, Is there any tutorial on how to use ArrayFire for Delphi ? Thank you and Best Regards,

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Using ArrayFire with Delphi

dear all, Is there any tutorial on how to use ArrayFire for Delphi ? Thank you and Best Regards,

Feb 18

Dave Jennings, … uma...@gmail.com6

Feb 16

Which cuda variant should I install?

Yes, if you are using our binary installers, then you don't need to install the CUDA toolkit if

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Which cuda variant should I install?

Yes, if you are using our binary installers, then you don't need to install the CUDA toolkit if

Feb 16

Aaron Hsu

Feb 8

CfP: ARRAY 2024

ARRAY 2024 - PLDI 2024 (sigplan.org) # Call for Papers Array programming is at home in many

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CfP: ARRAY 2024

ARRAY 2024 - PLDI 2024 (sigplan.org) # Call for Papers Array programming is at home in many

Feb 8

Andrew, … Oleg Mikulchenko8

Jan 31

Status of Arrayfire Rust

Thanks, I've tried but got following errors: cmake: --- CMake Error at src/backend/oneapi/

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Status of Arrayfire Rust

Thanks, I've tried but got following errors: cmake: --- CMake Error at src/backend/oneapi/

Jan 31

Oleg Mikulchenko, Umar Arshad4

Jan 31

Failure for CUDA back end

After downgrading libfmt versions (10->9) by a package manager and spdlog (1.13 -> 1.11) by

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Failure for CUDA back end

After downgrading libfmt versions (10->9) by a package manager and spdlog (1.13 -> 1.11) by

Jan 31

Jiayun Liu, ste...@arrayfire.com2

Jan 3

Time increase with iteration

Can you try adding an af:eval(bufferInd); before the af::sync() to see if that normalizes your time?

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Time increase with iteration

Can you try adding an af:eval(bufferInd); before the af::sync() to see if that normalizes your time?

Jan 3

Carlos, Umar Arshad3

12/20/23

Sample from multivariate normal distribution in batch mode?

Thanks for your answerer, Umar Arshad. It appears that I'm quite confused. Just to clarify, is

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Sample from multivariate normal distribution in batch mode?

Thanks for your answerer, Umar Arshad. It appears that I'm quite confused. Just to clarify, is

12/20/23

Brent Dennis, Umar Arshad2

11/29/23

Are cmake export targets correct

Hi Brent, The reason you are running into the linking issues is because you are installing fftw in a

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Are cmake export targets correct

Hi Brent, The reason you are running into the linking issues is because you are installing fftw in a

11/29/23

E, John Melonakos3

11/28/23

How to install ArrayFire in R?

What are you trying to do? It is best to avoid loops and vectorize everything as much as possible:

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How to install ArrayFire in R?

What are you trying to do? It is best to avoid loops and vectorize everything as much as possible:

11/28/23

E, John Melonakos2

11/28/23

gfor loops not working

We generally recommend avoiding gfor and are unsure if gfor is supported with the R wrapper. Anything

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gfor loops not working

We generally recommend avoiding gfor and are unsure if gfor is supported with the R wrapper. Anything

11/28/23

Carlos, John Melonakos2

11/28/23

Why is my code running slower than Armadillo.

Hi Carlos, As a data-parallel library, ArrayFire aims to perform well on larger data sizes. In this

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Why is my code running slower than Armadillo.

Hi Carlos, As a data-parallel library, ArrayFire aims to perform well on larger data sizes. In this

11/28/23

Aaron Hsu, Umar Arshad3

11/10/23

af_sync required before af_release_array?

An update to this issue: I have removed the code that seemed to require this and nothing like it has

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af_sync required before af_release_array?

An update to this issue: I have removed the code that seemed to require this and nothing like it has

11/10/23

Pietro Mele, ste...@arrayfire.com2

11/8/23

Why do I get linker errors when building ArrayFire examples

We still need to decide and implement a proper fix, it looks like our binaries are linking against

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Why do I get linker errors when building ArrayFire examples

We still need to decide and implement a proper fix, it looks like our binaries are linking against

11/8/23

Jason Thomas, John Melonakos2

10/26/23

ArrayFire ML project status

Hi Jason, You're right that we are not actively working on ArrayFire ML. We cannot revive it

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ArrayFire ML project status

Hi Jason, You're right that we are not actively working on ArrayFire ML. We cannot revive it

10/26/23

Jason Thomas

10/25/23

selecting device in arrayfire-rust

Can a device be selected at runtime using arrayfire-rust? It picks CUDA by default, and I don't

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selecting device in arrayfire-rust

Can a device be selected at runtime using arrayfire-rust? It picks CUDA by default, and I don't

10/25/23

Aaron Hsu, Umar Arshad3

10/18/23

Invalid Input Size on arrays with trailing singleton dimensions

Thanks for looking into this. i haven't installed ArrayFire from source, so it might take me a

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Invalid Input Size on arrays with trailing singleton dimensions

Thanks for looking into this. i haven't installed ArrayFire from source, so it might take me a

10/18/23

Jiayun Liu, Umar Arshad3

10/6/23

Unexpected behavior when sending data out of boundary from CPU

I initially assumed that using array() to send data would involve sending a total of rows * cols (15

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Unexpected behavior when sending data out of boundary from CPU

I initially assumed that using array() to send data would involve sending a total of rows * cols (15

10/6/23

Jiayun Liu, John Melonakos9

8/24/23

Extracting range of elements from 3D array

Ah, that makes sense. Thank you for the update. On Thu, Aug 24, 2023 at 1:37 AM Jiayun Liu <

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Extracting range of elements from 3D array

Ah, that makes sense. Thank you for the update. On Thu, Aug 24, 2023 at 1:37 AM Jiayun Liu <

8/24/23

Mpereke Evans, John Melonakos5

7/31/23

ArrayFire on the Orin Jetson AGX

Great news, Evans! Thank you for the update. On Mon, Jul 31, 2023 at 3:14 AM Mpereke Evans <

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ArrayFire on the Orin Jetson AGX

Great news, Evans! Thank you for the update. On Mon, Jul 31, 2023 at 3:14 AM Mpereke Evans <

7/31/23

Mpereke Evans, John Melonakos4

7/27/23

Arrayfire with complex short

Great to hear! Good luck, and let us know how it goes. One thing to keep in mind is that we invite

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Arrayfire with complex short

Great to hear! Good luck, and let us know how it goes. One thing to keep in mind is that we invite

7/27/23

Frank Allen, … Pavan Yalamanchili4

7/24/23

matlab mldivide (\ operator) vs. af solve

Arrayfire is column major. You probably copied the data in a row major format. You can check this by

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matlab mldivide (\ operator) vs. af solve

Arrayfire is column major. You probably copied the data in a row major format. You can check this by

7/24/23

Mike Mullen, … John Melonakos10

7/19/23

NVRTC runtime include error with afcuda backend

Great news, Mike! Thanks for the update and the upcoming PR fix. -John On Wednesday, July 19, 2023 at

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NVRTC runtime include error with afcuda backend

Great news, Mike! Thanks for the update and the upcoming PR fix. -John On Wednesday, July 19, 2023 at

7/19/23

Socrates de Oliveira Dantas, Umar Arshad4

6/2/23

Weird behavior cpu x cuda (or opencl)

Dear Umar Arshad, Thanks! I believe you are one of arrayfire developers - be aware that this code is

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Weird behavior cpu x cuda (or opencl)

Dear Umar Arshad, Thanks! I believe you are one of arrayfire developers - be aware that this code is

6/2/23

Oleg Mikulchenko, Umar Arshad2

5/18/23

multiple GPU?

We do not have a way to do distributed arrays at this point. You can create arrays on different

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multiple GPU?

We do not have a way to do distributed arrays at this point. You can create arrays on different

5/18/23

Aaron Hsu, Umar Arshad3

5/18/23

Question on behavior of af_assign_gen

Hi Dr. Hsu, Yes, ArrayFire is built on top of copy on write semantics. The output array will be

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Question on behavior of af_assign_gen

Hi Dr. Hsu, Yes, ArrayFire is built on top of copy on write semantics. The output array will be

5/18/23