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This mailing list is for the development of OpenBLAS. For the general discussion, please access the
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Please file bugs at
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OpenBLAS/issues
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Ajay
10/10/24
OpenBLAS makefile structure.
Hello all, Is there any documentation that has the description makefiles. Like which makefiles serves
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OpenBLAS makefile structure.
Hello all, Is there any documentation that has the description makefiles. Like which makefiles serves
10/10/24
Ajay
11/14/23
Implementation of SVE in OpenBLAS Level 2
I want to apply sve in all the routines of level 2 tmartin-frbg told to rewrite/replace the gemv_n
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Implementation of SVE in OpenBLAS Level 2
I want to apply sve in all the routines of level 2 tmartin-frbg told to rewrite/replace the gemv_n
11/14/23
Zhang Xianyi
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
Aleksei Nikiforov
,
Nima Sahraneshin
8
8/14/23
Precision of dgetrf_
Hi, yes, as I have written in original post, the problem is introduced by using FMA instructions in
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Precision of dgetrf_
Hi, yes, as I have written in original post, the problem is introduced by using FMA instructions in
8/14/23
Martin Neuenhofen
11/10/22
Question refined: How to contribute, and learn to contribute
Hi everyone, I would like to contribute and learn writing compute micro kernels. I have studied
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Question refined: How to contribute, and learn to contribute
Hi everyone, I would like to contribute and learn writing compute micro kernels. I have studied
11/10/22
ashutosh khuntia
11/5/22
[ libopenblaso.so.0 ]how to install from sourse .
Hi Team i am getting this error [ ImportError: libopenblaso.so.0 ]. could you pls help me where i can
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[ libopenblaso.so.0 ]how to install from sourse .
Hi Team i am getting this error [ ImportError: libopenblaso.so.0 ]. could you pls help me where i can
11/5/22
Roja Eswaran
2/24/21
DGEMM Parallel Implementation
Hello, Can you please explain how DGEMM operation is parallelized across pthreads? In other words,
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DGEMM Parallel Implementation
Hello, Can you please explain how DGEMM operation is parallelized across pthreads? In other words,
2/24/21
Kan Chen
, …
Zhang Xianyi
4
8/21/20
Proposal for Implementing Universal Intrinsics in Openblas
Thanks for your comments. In my perspective, "Universal Intrinsics" is more like a set of
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Proposal for Implementing Universal Intrinsics in Openblas
Thanks for your comments. In my perspective, "Universal Intrinsics" is more like a set of
8/21/20
Guodong Xu
,
Zhang Xianyi
4
8/17/20
Do you guys agree that: DGEMM_DEFAULT_P must be multiples of DGEMM_DEFAULT_UNROLL_M? To make various trmm/copy functions to work properly.
Yes, that is a good idea. Guodong Xu <guodo...@linaro.org> 于2020年8月15日周六 下午7:12写道: Hi, Xianyi
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Do you guys agree that: DGEMM_DEFAULT_P must be multiples of DGEMM_DEFAULT_UNROLL_M? To make various trmm/copy functions to work properly.
Yes, that is a good idea. Guodong Xu <guodo...@linaro.org> 于2020年8月15日周六 下午7:12写道: Hi, Xianyi
8/17/20
Guodong Xu
,
Zhang Xianyi
3
7/14/20
Hmm, why '.align 5' is used in kernels for arm and arm64 ? Can somebody explain?
Yes, it is 2^5 on ARM. Xianyi Guodong Xu <guodo...@linaro.org> 于2020年7月14日周二 下午1:25写道: It
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Hmm, why '.align 5' is used in kernels for arm and arm64 ? Can somebody explain?
Yes, it is 2^5 on ARM. Xianyi Guodong Xu <guodo...@linaro.org> 于2020年7月14日周二 下午1:25写道: It
7/14/20
Guobing Chen
,
Zhang Xianyi
3
3/9/20
Will openBLAS plan to support INT8 or BF16 data type?
Thanks for your quick response, Xianyi. As for 'don't have any plan' here you mean due to
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Will openBLAS plan to support INT8 or BF16 data type?
Thanks for your quick response, Xianyi. As for 'don't have any plan' here you mean due to
3/9/20
nima sahraneshin
11/14/19
modifying isamax function
Hi, How can I modify "isamax" function? I am thinking just modifying "isamax.f"
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modifying isamax function
Hi, How can I modify "isamax" function? I am thinking just modifying "isamax.f"
11/14/19
Shan Kang
10/22/19
Why do dgemm_itcopy and sgemm_itcopy get different results for a same matrix?
Hi, I wrote a very simple test apps. Here is the code: #include <stdio.h> #include <stdlib.h
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Why do dgemm_itcopy and sgemm_itcopy get different results for a same matrix?
Hi, I wrote a very simple test apps. Here is the code: #include <stdio.h> #include <stdlib.h
10/22/19
Zhang Xianyi
5/11/18
Re: About porting OpenBLAS to new CPU architecture
Hi Ruey-an, Please check this developer manual. https://github.com/xianyi/OpenBLAS/wiki/Developer-
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Re: About porting OpenBLAS to new CPU architecture
Hi Ruey-an, Please check this developer manual. https://github.com/xianyi/OpenBLAS/wiki/Developer-
5/11/18
Christophe Herreman
8/31/17
Question: Why do the kernels process 4 and not 8 floats at a time?
AFAICT, kernels such as sgemv_kernel_4x8 load 8 times 4 floats in the registers and then use fma
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Question: Why do the kernels process 4 and not 8 floats at a time?
AFAICT, kernels such as sgemv_kernel_4x8 load 8 times 4 floats in the registers and then use fma
8/31/17
Zhang Xianyi
7/24/17
OpenBLAS 0.2.20 version is released
Hi OpenBLAS users, OpenBLAS ChangeLog ===============================================================
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OpenBLAS 0.2.20 version is released
Hi OpenBLAS users, OpenBLAS ChangeLog ===============================================================
7/24/17
tsy...@gmail.com
6/7/17
How to support fix-point matrix multiplication?
Hello developers, Thank you all for your continued support of the software. ^_^. The advantage is
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How to support fix-point matrix multiplication?
Hello developers, Thank you all for your continued support of the software. ^_^. The advantage is
6/7/17
Sudeep Maheshwari
5/11/17
Installation error for OpenBLAS
Hello I am trying to make the OpenBLAS library in CentOS7.0 using the following configure command :
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Installation error for OpenBLAS
Hello I am trying to make the OpenBLAS library in CentOS7.0 using the following configure command :
5/11/17
Dong-In Lee
4/26/17
Extract sources related with gemm only?
Hi there, I can build the whole OpenBLAS library, but I am wondering if it is possible to retrieve
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Extract sources related with gemm only?
Hi there, I can build the whole OpenBLAS library, but I am wondering if it is possible to retrieve
4/26/17
Anton Blanchard
, …
Alan Modra
5
2/13/17
POWER8 inline assembly clobbers
Revised patch, correcting all power8 asm(). The .S files also contain errors, not fixed by this patch
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POWER8 inline assembly clobbers
Revised patch, correcting all power8 asm(). The .S files also contain errors, not fixed by this patch
2/13/17
sohail shuaib
1/6/17
Testing code on NVIDIA TK1 (ARM Cortex-A15), ARM 32-bit, Ubuntu
All, I recently reported an issue about slower performance of OpenBLAS when performing matrix inverse
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Testing code on NVIDIA TK1 (ARM Cortex-A15), ARM 32-bit, Ubuntu
All, I recently reported an issue about slower performance of OpenBLAS when performing matrix inverse
1/6/17
Miroslav Iliaš
,
Zhang Xianyi
2
12/11/16
openblas-dev package on travis-ci
Could you build it from source? Xianyi 2016-12-12 3:45 GMT+08:00 Miroslav Iliaš <miro.ilias@gmail.
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openblas-dev package on travis-ci
Could you build it from source? Xianyi 2016-12-12 3:45 GMT+08:00 Miroslav Iliaš <miro.ilias@gmail.
12/11/16
The Quantum Physicist
10/25/16
Launching threads in OpenBLAS: How does that work?
We can all agree that launching threads is something expensive. It costs resources to do that, which
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Launching threads in OpenBLAS: How does that work?
We can all agree that launching threads is something expensive. It costs resources to do that, which
10/25/16
Dave Mazzoni
7/27/16
OpenBLAS cross compile build fails on sgemm_kernel.o : No such file...
Hello All, I've downloaded the latest development zip and it won't complete a build using
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OpenBLAS cross compile build fails on sgemm_kernel.o : No such file...
Hello All, I've downloaded the latest development zip and it won't complete a build using
7/27/16
Csaba Hajdu
7/17/16
Binaries not included in the latest distribution package(s)
Hi xianyi, It seems that the binaries are not included in the latest downloadable distributions. It
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Binaries not included in the latest distribution package(s)
Hi xianyi, It seems that the binaries are not included in the latest downloadable distributions. It
7/17/16
Victor Rodriguez
7/1/16
OpenBLAS hangs in
Hi I am building R using OpenBLAS and it has a great performance (thank you) . However when I run
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OpenBLAS hangs in
Hi I am building R using OpenBLAS and it has a great performance (thank you) . However when I run
7/1/16
shivra...@imgtec.com
,
Zhang Xianyi
2
5/19/16
Testing SGEMM function in BLAS-Tester
I think you need check the threshold. We may set it too large. 2016-05-19 15:53 GMT+08:00 <shivraj
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Testing SGEMM function in BLAS-Tester
I think you need check the threshold. We may set it too large. 2016-05-19 15:53 GMT+08:00 <shivraj
5/19/16
Denis Davydov
4/27/16
Openblas does not pick up fortran from abs path
Dear all, As of 0.2.17 make CC=clang FC=/abs/path/to/gfortran fails to pick up the fortran compiler.
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Openblas does not pick up fortran from abs path
Dear all, As of 0.2.17 make CC=clang FC=/abs/path/to/gfortran fails to pick up the fortran compiler.
4/27/16
David Edelsohn
, …
Guhaa Prasad Venkataraman
18
4/26/16
POWER8 VSX performance analysis
Hi, We got the P8 - OpenBLAS v0.2.19 and ESSL (5.3.2) compare - Single thread runs. As you can see,
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POWER8 VSX performance analysis
Hi, We got the P8 - OpenBLAS v0.2.19 and ESSL (5.3.2) compare - Single thread runs. As you can see,
4/26/16
shivra...@imgtec.com
,
Zhang Xianyi
2
4/19/16
MIPS-MSA contribution to OpenBLAS
Hi Shivraj, Great! I like to merge the patch on new architecture. Thank you for your work and
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MIPS-MSA contribution to OpenBLAS
Hi Shivraj, Great! I like to merge the patch on new architecture. Thank you for your work and
4/19/16