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OpenMathLib

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OpenBLAS
OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.

C · 7582 stars

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DTBSM, triangular band matrix solve with multiple right-hand sides Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMathLib/OpenBLAS#2835 · 2 comments · Opened Sep 14, 2020
Binary GEMM Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMathLib/OpenBLAS#2834 · Opened Sep 14, 2020
LU and eigen routines slower than MKL Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMathLib/OpenBLAS#2795 · 9 comments · Opened Aug 26, 2020
Thread scaling of concurrent small dgemm operations Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMathLib/OpenBLAS#2712 · 3 comments · Opened Jul 10, 2020
[WIP]Optimize gemm for small matrix Open

OpenMathLib/OpenBLAS#2587 · 1 comment · 5 reactions · 1 assignee · Opened Apr 28, 2020
Could you elaborate on the combination of OpenBLAS with multi-threading? Open

Documentation

Difficulty 3/5 1-2 days Newbie friendliness 48/100

OpenMathLib/OpenBLAS#2543 · 10 comments · Opened Apr 5, 2020
sgemv() not scaling well on AMD ZEN 2 / EPYC 7742 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMathLib/OpenBLAS#2381 · 36 comments · Opened Jan 31, 2020
Poor performance on Power-9 hardware with GCC and SMT enabled Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMathLib/OpenBLAS#2380 · 8 comments · Opened Jan 31, 2020
Modifying GEMM for strided GEMM computation Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMathLib/OpenBLAS#2289 · 11 comments · Opened Oct 23, 2019
Test and tune for Zen 2 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMathLib/OpenBLAS#2180 · 47 comments · Opened Jul 8, 2019
Non-deterministic output with multiple OpenMP runtimes in the same process Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMathLib/OpenBLAS#2146 · 21 comments · Opened May 30, 2019
openBLAS nested parallelism Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMathLib/OpenBLAS#2052 · 44 comments · Opened Mar 9, 2019
Performance of dgemm Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMathLib/OpenBLAS#1840 · 7 comments · Opened Oct 30, 2018
OpenBLAS becomes single-threaded Open

LAPACK issue

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMathLib/OpenBLAS#1820 · 39 comments · Opened Oct 16, 2018
Lacking quad precision support Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMathLib/OpenBLAS#1769 · 7 comments · Opened Sep 20, 2018
OpenMP thread placement and affinity Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMathLib/OpenBLAS#1653 · 10 comments · Opened Jun 30, 2018
Above average kernel times causing slow performance Open

Feature request LAPACK issue

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMathLib/OpenBLAS#1560 · 33 comments · Opened May 14, 2018
Element ordering of inner GEMM kernels Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMathLib/OpenBLAS#1528 · 3 comments · Opened Apr 17, 2018
performance on AMD Ryzen and Threadripper Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

OpenMathLib/OpenBLAS#1461 · 121 comments · Opened Feb 14, 2018
Crash with Open Blas using cblas_dgemm with square matrix of size 100 on widows 10 Visual Studio 2017 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMathLib/OpenBLAS#1404 · 28 comments · 1 reaction · Opened Dec 24, 2017
On performance of matrix transposition using omatcopy() Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

OpenMathLib/OpenBLAS#1243 · 3 comments · Opened Jul 19, 2017
Denormal floats handling Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMathLib/OpenBLAS#1237 · 42 comments · Opened Jul 13, 2017
ARMV7 (with hard float flag) did not run with correct result Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMathLib/OpenBLAS#1145 · 15 comments · Opened Apr 7, 2017
ARMv7 vfp version Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMathLib/OpenBLAS#1127 · 1 comment · Opened Mar 13, 2017
Adding packed gemm APIs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

OpenMathLib/OpenBLAS#1092 · 8 comments · 1 reaction · Opened Feb 11, 2017
Julia + OpenBLAS vs. MATLAB + MKL - Matrix Operations Benchmark Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

OpenMathLib/OpenBLAS#1090 · 22 comments · 1 reaction · Opened Feb 9, 2017
Hadamard product? Open

Feature request

Difficulty 4/5 3-5 days Newbie friendliness 32/100

OpenMathLib/OpenBLAS#1083 · 27 comments · 5 reactions · Opened Feb 4, 2017
SGEMM performance opportunity on POWER8 VSX Open

OpenMathLib/OpenBLAS#950 · 1 comment · 1 assignee · Opened Aug 23, 2016
Separate building and running tests Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMathLib/OpenBLAS#860 · 3 comments · Opened Apr 28, 2016
OpenBLAS multi-thread using on NVIDIA tegra k1 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

OpenMathLib/OpenBLAS#782 · 4 comments · Opened Feb 25, 2016
[z|c]gemv assume no inf or nan in buffer on x86_64 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

OpenMathLib/OpenBLAS#746 · 1 comment · Opened Jan 20, 2016
cblas.h function declarations should include calling convention specifier Open

Feature request

Difficulty 3/5 1-2 days Newbie friendliness 38/100

OpenMathLib/OpenBLAS#618 · 9 comments · Opened Aug 19, 2015
GEMM slower than GEMV slower than AXPY equivalent on Intel i5 CPU Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

OpenMathLib/OpenBLAS#528 · 1 comment · Opened Apr 1, 2015
Want fallback on thread creation failure Open

Feature request

Difficulty 4/5 3-5 days Newbie friendliness 48/100

OpenMathLib/OpenBLAS#525 · 10 comments · 1 reaction · Opened Mar 28, 2015

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