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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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Prometheus47, … martin-frbg3

3/31/20

Openblas dgemm slower than for loops implementation for matrix multiplication.

Cannot really answer without knowing OpenBLAS version and typical problem size. (If the matrix is

unread,

Openblas dgemm slower than for loops implementation for matrix multiplication.

Cannot really answer without knowing OpenBLAS version and typical problem size. (If the matrix is

3/31/20

11/14/17

Does OpenBLAS on Android platform support lapack?

I build OpenBLAS for Android armv7 using official method. And when I build my code, the error is

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Does OpenBLAS on Android platform support lapack?

I build OpenBLAS for Android armv7 using official method. And when I build my code, the error is

11/14/17

Iakov, Zhang Xianyi2

9/6/16

compile-time openblas define

Hi Iakov, Good point. On compiling time, we didn't define "OPENBLAS" macro. Xianyi 2016

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compile-time openblas define

Hi Iakov, Good point. On compiling time, we didn't define "OPENBLAS" macro. Xianyi 2016

9/6/16

Jørgen Nordmoen, Zhang Xianyi5

9/3/15

Problems compiling for ARM

Please don't change CORE. ifeq ($(CORE), ARMV5) CCOMMON_OPT += -marm -mfpu=neon-vfpv4 -mtune=

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Problems compiling for ARM

Please don't change CORE. ifeq ($(CORE), ARMV5) CCOMMON_OPT += -marm -mfpu=neon-vfpv4 -mtune=

9/3/15

John Gliksberg, Zhang Xianyi2

11/28/14

About cblas_dgbmv

Hi , For the gbmv, OpenBLAS doesn't provide a gbmv assembly kernels. If OPENBLAS_NUM_THREADS=1 (

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About cblas_dgbmv

Hi , For the gbmv, OpenBLAS doesn't provide a gbmv assembly kernels. If OPENBLAS_NUM_THREADS=1 (

11/28/14

Santa Claus, … José Luis García Pallero7

7/4/14

Performance comparison of OpenBLAS, MKL and Matlab for executing DGEMM

Dear Pallero, Thanks for your detailed explanations, which have corrected my poor extrapolation.

unread,

Performance comparison of OpenBLAS, MKL and Matlab for executing DGEMM

Dear Pallero, Thanks for your detailed explanations, which have corrected my poor extrapolation.

7/4/14

Alvaro Ulloa, … Carter Schonwald14

2/12/14

intel XEON E7 compilation

Did you use your Linux package manager to install openblas? Some of them, like Debian, don't

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intel XEON E7 compilation

Did you use your Linux package manager to install openblas? Some of them, like Debian, don't

2/12/14

Jeff Hammond, … martin-frbg32

7/12/20

ARM performance comparison of ATLAS, OpenBLAS and BLIS

Unfortunately Werner has not been seen on this project (or github in general) since early 2017. Some

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ARM performance comparison of ATLAS, OpenBLAS and BLIS

Unfortunately Werner has not been seen on this project (or github in general) since early 2017. Some

7/12/20

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