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OpenBLAS is an open source BLAS library based on GotoBLAS2 1.13 BSD version. This mailing list is for general discussion related to the use of OpenBLAS.

Please file bugs at https://github.com/OpenMathLib/OpenBLAS/issues . The wiki pages are https://github.com/OpenMathLib/OpenBLAS/wiki .

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Sami Saarinen, Zhang Xianyi2

May 27

Fujitsu A64FX implementation works ?

Hi Sami, What's the error output? Regards, Xianyi Sami Saarinen <sami.t....@gmail.com>

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Fujitsu A64FX implementation works ?

Hi Sami, What's the error output? Regards, Xianyi Sami Saarinen <sami.t....@gmail.com>

May 27

12/14/23

SVE implementation for matrix-vector operation

Hello, I am trying to implement the SVE for matrix-vector operations on openblas using acle intrinsic

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SVE implementation for matrix-vector operation

Hello, I am trying to implement the SVE for matrix-vector operations on openblas using acle intrinsic

12/14/23

Jai, Zhang Xianyi4

12/14/23

Implementation of SVE in gemv routines.

Thanks Xianyi for replying. I can see the gemv_n.o files under kernel, but I am not able to get how

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Implementation of SVE in gemv routines.

Thanks Xianyi for replying. I can see the gemv_n.o files under kernel, but I am not able to get how

12/14/23

12/6/23

PerfXLLM -- Write a poem for OpenBLAS

Hi All OpenBLAS users, We developed a LLM inference framework, PerfXLLM. Please check the video for

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PerfXLLM -- Write a poem for OpenBLAS

Hi All OpenBLAS users, We developed a LLM inference framework, PerfXLLM. Please check the video for

12/6/23

9/19/23

OpenMathLib org

Hi all OpenBLAS users, and developers, About 12 years ago, I created OpenBLAS project. I also created

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OpenMathLib org

Hi all OpenBLAS users, and developers, About 12 years ago, I created OpenBLAS project. I also created

9/19/23

12/9/22

how can I install OpenBLAS for cross compile with XuanTie C906 which is risc-v architecture?

I use this command: make CC=/home/yamato/crosschain_middle/Xuantie-900-gcc-linux-5.10.4-glibc-x86_64-

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how can I install OpenBLAS for cross compile with XuanTie C906 which is risc-v architecture?

I use this command: make CC=/home/yamato/crosschain_middle/Xuantie-900-gcc-linux-5.10.4-glibc-x86_64-

12/9/22

12/8/22

about cblas_sscal function

I understand the cause. My current environment is as follows. In xcode's 'Build settings'

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about cblas_sscal function

I understand the cause. My current environment is as follows. In xcode's 'Build settings'

12/8/22

Martin Neuenhofen, Zhang Xianyi2

11/8/22

How to contribute, and learn to contribute

Hi Martin, I suggest the tutorial from https://github.com/flame/blislab Regards, Xianyi 'Martin

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How to contribute, and learn to contribute

Hi Martin, I suggest the tutorial from https://github.com/flame/blislab Regards, Xianyi 'Martin

11/8/22

neetu sigger, Brian Borchers3

8/23/22

OpenBLAS Warning : Detect OpenMP Loop and this application may hang. Please rebuild the library with USE_OPENMP=1 option

Is the code calling OpenBLAS written with OpenMP threading? On Tue, Aug 23, 2022 at 7:42 AM neetu

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OpenBLAS Warning : Detect OpenMP Loop and this application may hang. Please rebuild the library with USE_OPENMP=1 option

Is the code calling OpenBLAS written with OpenMP threading? On Tue, Aug 23, 2022 at 7:42 AM neetu

8/23/22

Freya the Goddess, martin-frbg3

5/8/22

BLAS level 1 till level 3 Fortran examples complete

Thanks for your answer Martin, it went into spam. I just see it today. I will check OpenBLAS. I have

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BLAS level 1 till level 3 Fortran examples complete

Thanks for your answer Martin, it went into spam. I just see it today. I will check OpenBLAS. I have

5/8/22

Selin Yıldırım, martin-frbg3

5/7/22

cblas_ssbmv miscomputes

Some OpenBLAS kernels including AXPY happen to possess dummy parameters that are always set to zero

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cblas_ssbmv miscomputes

Some OpenBLAS kernels including AXPY happen to possess dummy parameters that are always set to zero

5/7/22

Rishabh Natarajan, martin-frbg2

5/7/22

OpenBLAS for point propagation within a torus?

BLAS and LAPACK provide low-level functions for linear algebra, eg matrix-vector and matrix-matrix

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OpenBLAS for point propagation within a torus?

BLAS and LAPACK provide low-level functions for linear algebra, eg matrix-vector and matrix-matrix

5/7/22

Yi Jin, martin-frbg2

3/27/22

[NDK] Issue Related to OpenBLAS NDK Implementation

Are you looking for ssyr, ssyr2 or ssyr2k ? Generally, the code flow is from "interface" (

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[NDK] Issue Related to OpenBLAS NDK Implementation

Are you looking for ssyr, ssyr2 or ssyr2k ? Generally, the code flow is from "interface" (

3/27/22

Wenbin Yu, Enrico Bertolazzi2

3/3/22

compile question

I have the same problem. I use openblas in a multithtread applications. If I use the single thread

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compile question

I have the same problem. I use openblas in a multithtread applications. If I use the single thread

3/3/22

Piyush Varadpande, … martin-frbg9

1/7/22

How can I use OpenBLAS library with Microsemi-Microchip Polarfire SOC.

Hi Piyush, sorry for the late reply, and a happy new year to you too. If Xianyi wants to take it that

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How can I use OpenBLAS library with Microsemi-Microchip Polarfire SOC.

Hi Piyush, sorry for the late reply, and a happy new year to you too. If Xianyi wants to take it that

1/7/22

bo b change, Marco Atzeri4

12/29/21

On entry to ZGEBAL parameter number 3 had an illegal value

Thank you very much! FYI, https://web.stanford.edu/group/fan/S4/dev_info.html Best regards Bob 在2021年

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On entry to ZGEBAL parameter number 3 had an illegal value

Thank you very much! FYI, https://web.stanford.edu/group/fan/S4/dev_info.html Best regards Bob 在2021年

12/29/21

bo b change, Marco Atzeri3

12/28/21

Make error on Cygwin

back on the openblas mailing list On 28.12.2021 10:47, bo b change wrote: > Thank you for your

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Make error on Cygwin

back on the openblas mailing list On 28.12.2021 10:47, bo b change wrote: > Thank you for your

12/28/21

xin wang, martin-frbg3

12/5/21

Compile and run the openblas library on the riscv simulator

Thank you Martin ！ In fact, I have seen your previous communication with dream-math in issue #3290 in

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Compile and run the openblas library on the riscv simulator

Thank you Martin ！ In fact, I have seen your previous communication with dream-math in issue #3290 in

12/5/21

Sim, … Benny Istanto7

8/27/21

Error with "brew install openblas" in macOS

Dear martin-frbg, Thank you for the suggestion, it's worked. I edited file /usr/local/Homebrew/

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Error with "brew install openblas" in macOS

Dear martin-frbg, Thank you for the suggestion, it's worked. I edited file /usr/local/Homebrew/

8/27/21

Harsh Vardhan Kumar, martin-frbg2

8/27/21

How are the dgemm kernels called?

Code flow is from interface/gemm.c to driver/level3/*gemm*.c to the kernels in kernel/ - which kernel

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How are the dgemm kernels called?

Code flow is from interface/gemm.c to driver/level3/*gemm*.c to the kernels in kernel/ - which kernel

8/27/21

Francisco Francisco, martin-frbg2

8/27/21

LAPACKE_dsyev (eigenvalues and eigenvectors of a real symmetric matrix)

0.3.8 is quite old, this may have been a problem in either OpenBLAS itself or the then-new LAPACK 3.9

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LAPACKE_dsyev (eigenvalues and eigenvectors of a real symmetric matrix)

0.3.8 is quite old, this may have been a problem in either OpenBLAS itself or the then-new LAPACK 3.9

8/27/21

Do Po, martin-frbg2

8/27/21

Why some kernels are in C and others in Assembly?

Sorry for the very late reply - no fundamental reason (at least that I know of), just code produced

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Why some kernels are in C and others in Assembly?

Sorry for the very late reply - no fundamental reason (at least that I know of), just code produced

8/27/21

Tom Kacvinsky, Zhang Xianyi4

8/24/21

Thinking of contributing to OpenBLAS

Hi Xianyi, This LWN article (it's free now, it isn't behind a paywall anymore) https://lwn.

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Thinking of contributing to OpenBLAS

Hi Xianyi, This LWN article (it's free now, it isn't behind a paywall anymore) https://lwn.

8/24/21

8/17/21

MKL_GETRF equivalnet in OpenBLAS

Hi, I was converting my code from MKL to OpenBlAS, but I am not able to find an equvalent for dgetrf

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MKL_GETRF equivalnet in OpenBLAS

Hi, I was converting my code from MKL to OpenBlAS, but I am not able to find an equvalent for dgetrf

8/17/21

7/27/21

windows/arm64 support

Hello, Does OpenBLAS has support for windows on arm64 targets ? I don't see any binary

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windows/arm64 support

Hello, Does OpenBLAS has support for windows on arm64 targets ? I don't see any binary

7/27/21

Szabolcs Horvát2

4/17/21

Merely linking to OpenBLAS with MinGW 32-bit causes hangs

I wanted to note that the hang does not happen with OPENBLAS_NUM_THREADS=1, but it does with

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Merely linking to OpenBLAS with MinGW 32-bit causes hangs

I wanted to note that the hang does not happen with OPENBLAS_NUM_THREADS=1, but it does with

4/17/21

Norbert X, Prentice Bisbal2

2/23/21

What is the correct way to run compile and benchmarks from benchmark folder?

The benchmarks are part of the source code, so they're expecting ALL of OpenBLAS to be built and

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What is the correct way to run compile and benchmarks from benchmark folder?

The benchmarks are part of the source code, so they're expecting ALL of OpenBLAS to be built and

2/23/21

12/2/20

x86 binaries of v0.3.12

Hello, may be I'm blind... but I cannot find x86 binaries of v0.3.12. On this link (https://

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x86 binaries of v0.3.12

Hello, may be I'm blind... but I cannot find x86 binaries of v0.3.12. On this link (https://

12/2/20

Tiago Trevisan Jost

11/2/20

Conflicting Types cblas.h and lapacke.h

Hello, This may sound like a silly question, but I was not able to #include cblas.h and lapacke.h

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Conflicting Types cblas.h and lapacke.h

Hello, This may sound like a silly question, but I was not able to #include cblas.h and lapacke.h

11/2/20

Ram Sharan Swain, marco atzeri3

10/25/20

OpenBLAS build failing on Solaris Sparc 11

Yes I tried on version 0.3.11 as well. It fails with same error. On Friday, October 23, 2020 at 1:50:

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OpenBLAS build failing on Solaris Sparc 11

Yes I tried on version 0.3.11 as well. It fails with same error. On Friday, October 23, 2020 at 1:50:

10/25/20

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