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

Chen Larry, ste...@arrayfire.com2

Sep 16

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

Sep 16

Mpereke Evans, Pradeep Garigipati3

Sep 14

GLX: Failed to make context currentX Error of failed request: GLXBadContextTag

Hi Pradeep I found that a workaround to the problem was to also create a dummy af::window in the main

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GLX: Failed to make context currentX Error of failed request: GLXBadContextTag

Hi Pradeep I found that a workaround to the problem was to also create a dummy af::window in the main

Sep 14

Some Body

Sep 13

Raytracing in a weekend using ArrayFire

Is it possible? The original "raytracing in a weekend" (https://raytracing.github.io/) runs

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Raytracing in a weekend using ArrayFire

Is it possible? The original "raytracing in a weekend" (https://raytracing.github.io/) runs

Sep 13

Chen Larry

Sep 11

Can Arrayfire function called from pure c++?

I want to use ArrayFire in my current c++ project, can I just build arrayfire part as a .lib, and

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Can Arrayfire function called from pure c++?

I want to use ArrayFire in my current c++ project, can I just build arrayfire part as a .lib, and

Sep 11

Avinash Rangarajan, Pradeep Garigipati6

Aug 16

shift operation of independent column

Thanks for detail explanation and effort for letting the right way to use gfor and shift. Regards R

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shift operation of independent column

Thanks for detail explanation and effort for letting the right way to use gfor and shift. Regards R

Aug 16

Mpereke Evans, Pradeep Garigipati2

Aug 13

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

Hello Mpereke, We have feature parity across backends so it is interesting that it works with OpenCL

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

Hello Mpereke, We have feature parity across backends so it is interesting that it works with OpenCL

Aug 13

Pietro Mele

Jul 21

Can run ArrayFire on my CPU only, not on the intergrated GPU

I could build all the examples of the ArrayFire project (except the CUDA ones, having an AMD APU).

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Can run ArrayFire on my CPU only, not on the intergrated GPU

I could build all the examples of the ArrayFire project (except the CUDA ones, having an AMD APU).

Jul 21

Philip Murray

Jul 16

Wondering about performance cost for AF to allocate memory for matmul return

Hi, I am using Arrayfire C++ with a cuda backend. For a C = AB matrix multiplication, in cublas you

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Wondering about performance cost for AF to allocate memory for matmul return

Hi, I am using Arrayfire C++ with a cuda backend. For a C = AB matrix multiplication, in cublas you

Jul 16

Avinash Rangarajan, Pradeep Garigipati10

Jul 8

inconsistency in timing af::where

JIT helps with combining multiple individual operations into a single GPU kernel. For example,

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inconsistency in timing af::where

JIT helps with combining multiple individual operations into a single GPU kernel. For example,

Jul 8

Joe Georger, … Pradeep Garigipati4

Jul 7

host pointer to complex array?

That is unexpected, here is a full blown standalone example code (followed by the sample output) that

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host pointer to complex array?

That is unexpected, here is a full blown standalone example code (followed by the sample output) that

Jul 7

Sue Park, Pradeep Garigipati2

Jun 22

Bessel function

Hello Sue, During our move from closed source to open source with the 3.0 version, we had to drop

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Bessel function

Hello Sue, During our move from closed source to open source with the 3.0 version, we had to drop

Jun 22

Chi Ng, Pradeep Garigipati2

Jun 21

how to remove element from array ?

Hello Chi, Exact operation is not possible via function/array-method I believe, but an equivalent

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how to remove element from array ?

Hello Chi, Exact operation is not possible via function/array-method I believe, but an equivalent

Jun 21

Haydn Vestal, Pradeep Garigipati2

Jun 21

ArrayFire on M1 Mac

Hey Haydn, I don't think any of our team members tried building on M1 directly. If required

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ArrayFire on M1 Mac

Hey Haydn, I don't think any of our team members tried building on M1 directly. If required

Jun 21

Gennadiy Rishkin, Pradeep Garigipati2

Jun 21

Krylov Subspace Solvers and Preconditioners

Hello, Given below is entire set of linear algebra functions we currently have in arrayfire https://

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Krylov Subspace Solvers and Preconditioners

Hello, Given below is entire set of linear algebra functions we currently have in arrayfire https://

Jun 21

Avinash Rangarajan, uma...@gmail.com3

Jun 17

indexing inside gfor

I could see only diff1 and diff2 functions. Further, inside a gfor for an dimensional array, i like

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indexing inside gfor

I could see only diff1 and diff2 functions. Further, inside a gfor for an dimensional array, i like

Jun 17

Ville-Veikko, Pradeep Garigipati3

Jun 11

Building ArrayFire with Mingw-w64

Just as a heads-up that I managed to compile ArrayFire with Mingw (OpenCL only). However, there were

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Building ArrayFire with Mingw-w64

Just as a heads-up that I managed to compile ArrayFire with Mingw (OpenCL only). However, there were

Jun 11

Avinash Rangarajan, … uma...@gmail.com6

Jun 8

Issue in linking of ArrayFire

Sorry. I forgot about the std::array. Try vector<array<float, 2>> hdata(10); af::array

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Issue in linking of ArrayFire

Sorry. I forgot about the std::array. Try vector<array<float, 2>> hdata(10); af::array

Jun 8

Muhammad Hassan Khan, Umar Arshad2

Jun 7

ArrayFire OpenCL Issue

I am not sure what could be the issue. If the CPU and CUDA backends are working then the OpenCL

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ArrayFire OpenCL Issue

I am not sure what could be the issue. If the CPU and CUDA backends are working then the OpenCL

Jun 7

lei...@oakland.edu, Pradeep Garigipati2

May 31

Issue of ArrayFire-v3.8.0-CUDA-10.2.exe installation

Hey, From my past experience, this usually happens when there are multiple versions of MKL installed

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Issue of ArrayFire-v3.8.0-CUDA-10.2.exe installation

Hey, From my past experience, this usually happens when there are multiple versions of MKL installed

May 31

James Bian, Pradeep Garigipati6

May 26

How arrayfire get current gpu status？

I think what you are looking for is https://arrayfire.org/docs/group__event__api.htm events API. But

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How arrayfire get current gpu status？

I think what you are looking for is https://arrayfire.org/docs/group__event__api.htm events API. But

May 26

Юрий Сидоров, … Barbara F8

May 21

Troubles with arrayfire python

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Troubles with arrayfire python

May 21

Ville-Veikko, Pradeep Garigipati10

May 10

ArrayFire interoperability with NVRTC

Hello Ville-Veikko, I believe I have shared this info with you earlier - ArrayFire's memory(GPU

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ArrayFire interoperability with NVRTC

Hello Ville-Veikko, I believe I have shared this info with you earlier - ArrayFire's memory(GPU

May 10

Pradeep Garigipati

May 9

Re: af::seq

Max value of end in seq depends on the data you are trying to index into. About the error, please

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Re: af::seq

Max value of end in seq depends on the data you are trying to index into. About the error, please

May 9

ErrataC, Pradeep Garigipati2

Apr 7

Are contributions to the arrayfire docs accepted?

Hey ErrataC, Yes, we appreciate community contributions. The more the merrier! You need to clone the

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Are contributions to the arrayfire docs accepted?

Hey ErrataC, Yes, we appreciate community contributions. The more the merrier! You need to clone the

Apr 7

ErrataC, Pradeep Garigipati4

Apr 7

Transposed/Fractional Convolution

I think we don't have such function right now - you are welcome to raise a feature request and we

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Transposed/Fractional Convolution

I think we don't have such function right now - you are welcome to raise a feature request and we

Apr 7

Gennadiy Rishkin, Pradeep Garigipati3

Mar 25

C API Examples

Many thanks Pradeep. That does help. Gennadiy On Thursday, 25 March 2021 at 14:59:34 UTC Pradeep

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C API Examples

Many thanks Pradeep. That does help. Gennadiy On Thursday, 25 March 2021 at 14:59:34 UTC Pradeep

Mar 25

daniel perrett

Mar 5

ArrayFire convolution issue with Cuda backend.

Hi All, I've been having an issue with a certain function call in the dphaseWeighted = af::

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ArrayFire convolution issue with Cuda backend.

Hi All, I've been having an issue with a certain function call in the dphaseWeighted = af::

Mar 5

Taylor, Pradeep Garigipati3

Feb 12

Optimizations for N-body simulation using Rust API?

I've created a thread on the AF-rust discussion page, let's move our conversation over there:

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Optimizations for N-body simulation using Rust API?

I've created a thread on the AF-rust discussion page, let's move our conversation over there:

Feb 12

Brosnan Yuen, Pradeep Garigipati2

Feb 8

Does arrayfire use tensor cores?

Hello Brosnan, Yes, we do use tensor cores whenever we can. For example, BLAS routine GEMM uses

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Does arrayfire use tensor cores?

Hello Brosnan, Yes, we do use tensor cores whenever we can. For example, BLAS routine GEMM uses

Feb 8

Aaron Hsu, Pradeep Garigipati6

Jan 19

Intel MKL on Virtual Machine with ArrayFire

Thanks for this report! I'll try this out soon and see if I can replicate what you are seeing. --

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Intel MKL on Virtual Machine with ArrayFire

Thanks for this report! I'll try this out soon and see if I can replicate what you are seeing. --

Jan 19