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Contributions to the OpenBLAS project

CONTRIBUTORS.md

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Contributions to the OpenBLAS project

Creator & Maintainer

Active Developers

  • Wang Qian [email protected]

    • Optimize BLAS3 on ICT Loongson 3A.
    • Optimize BLAS3 on Intel Sandy Bridge.

  • Werner Saar [email protected]

    • [2013-03-04] Optimize AVX and FMA4 DGEMM on AMD Bulldozer
    • [2013-04-27] Optimize AVX and FMA4 TRSM on AMD Bulldozer
    • [2013-06-09] Optimize AVX and FMA4 SGEMM on AMD Bulldozer
    • [2013-06-11] Optimize AVX and FMA4 ZGEMM on AMD Bulldozer
    • [2013-06-12] Optimize AVX and FMA4 CGEMM on AMD Bulldozer
    • [2013-06-16] Optimize dgemv_n kernel on AMD Bulldozer
    • [2013-06-20] Optimize ddot, daxpy kernel on AMD Bulldozer
    • [2013-06-21] Optimize dcopy kernel on AMD Bulldozer
    • Porting and Optimization on ARM Cortex-A9
    • Optimization on AMD Piledriver
    • Optimization on Intel Haswell

  • Chris Sidebottom [email protected]

    • Optimizations and other improvements targeting AArch64

  • Annop Wongwathanarat [email protected]

    • Optimizations and other improvements targeting AArch64

  • Anna Mayne [email protected]

    • Optimizations and other improvements targeting AArch64

Previous Developers

  • Zaheer Chothia [email protected]

    • Improve the compatibility about complex number
    • Build LAPACKE: C interface to LAPACK
    • Improve the windows build.

  • Chen Shaohu [email protected]

    • Optimize GEMV on the Loongson 3A processor.

  • Luo Wen

    • Intern. Test Level-2 BLAS.

Contributors

In chronological order:

  • pipping http://page.mi.fu-berlin.de/pipping

    • [2011-06-11] Make USE_OPENMP=0 disable openmp.

  • Stefan Karpinski [email protected]

    • [2011-12-28] Fix a bug about SystemStubs on Mac OS X.

  • Alexander Eberspächer https://github.com/aeberspaecher

    • [2012-05-02] Add note on patch for segfaults on Linux kernel 2.6.32.

  • Mike Nolta [email protected]

    • [2012-05-19] Fix building bug on FreeBSD and NetBSD.

  • Sylvestre Ledru https://github.com/sylvestre

    • [2012-07-01] Improve the detection of sparc. Fix building bug under Hurd and kfreebsd.

  • Jameson Nash https://github.com/vtjnash

    • [2012-08-20] Provide support for passing CFLAGS, FFLAGS, PFLAGS, FPFLAGS to make on the command line.

  • Alexander Nasonov [email protected]

    • [2012-11-10] Fix NetBSD build.

  • Sébastien Villemot [email protected]

    • [2012-11-14] Fix compilation with TARGET=GENERIC. Patch applied to Debian package.
    • [2013-08-28] Avoid failure on qemu guests declaring an Athlon CPU without 3dnow!

  • Kang-Che Sung [email protected]

    • [2013-05-17] Fix typo in the document. Re-order the architecture list in getarch.c.

  • Kenneth Hoste [email protected]

    • [2013-05-22] Adjust Makefile about downloading LAPACK source files.

  • Lei WANG https://github.com/wlbksy

    • [2013-05-22] Fix a bug about wget.

  • Dan Luu http://www.linkedin.com/in/danluu

    • [2013-06-30] Add Intel Haswell support (using sandybridge optimizations).

  • grisuthedragon https://github.com/grisuthedragon

    • [2013-07-11] create openblas_get_parallel to retrieve information which parallelization model is used by OpenBLAS.

  • Elliot Saba [email protected]

    • [2013-07-22] Add in return value for interface/trtri.c

  • Sébastien Fabbro [email protected]

    • [2013-07-24] Modify makefile to respect user's LDFLAGS
    • [2013-07-24] Add stack markings for GNU as arch-independent for assembler files

  • Viral B. Shah [email protected]

    • [2013-08-21] Patch LAPACK XLASD4.f as discussed in JuliaLang/julia#2340

  • Lars Buitinck https://github.com/larsmans

    • [2013-08-28] get rid of the generated cblas_noconst.h file
    • [2013-08-28] Missing threshold in gemm.c
    • [2013-08-28] fix default prefix handling in makefiles

  • yieldthought https://github.com/yieldthought

    • [2013-10-08] Remove -Wl,--retain-symbols-file from dynamic link line to fix tool support

  • Keno Fischer https://github.com/loladiro

    • [2013-10-23] Use FC instead of CC to link the dynamic library on OS X

  • Christopher Meng [email protected]

    • [2013-12-09] Add DESTDIR support for easier building on RPM based distros. Use install command instead of cp to install files with permissions control.

  • Lucas Beyer [email protected]

    • [2013-12-10] Added support for NO_SHARED in make install.

  • carlkl https://github.com/carlkl

    • [2013-12-13] Fixed LAPACKE building bug on Windows

  • Isaac Dunham https://github.com/idunham

    • [2014-08-03] Fixed link error on Linux/musl

  • Dave Nuechterlein

    • [2014-10-10] trmm and sgemm kernels (optimized for APM's X-Gene 1). ARMv8 support.

  • Jerome Robert [email protected]

    • [2015-01-01] Speed-up small ger and gemv using stack allocation (bug #478)
    • [2015-12-23] stack_check in gemv.c (bug #722)
    • [2015-12-28] Allow to force the number of parallel make job
    • [2015-12-28] Fix detection of AMD E2-3200 detection
    • [2015-12-31] Let make MAX_STACK_ALLOC=0 do what expected
    • [2016-01-19] Disable multi-threading in ger and swap for small matrices (bug #731)
    • [2016-01-24] Use GEMM_MULTITHREAD_THRESHOLD as a number of ops (bug #742)
    • [2016-01-26] Let openblas_get_num_threads return the number of active threads (bug #760)
    • [2016-01-30] Speed-up small zger, zgemv, ztrmv using stack allocation (bug #727)

  • Dan Kortschak

    • [2015-01-07] Added test for drotmg bug #484.

  • Ton van den Heuvel https://github.com/ton

    • [2015-03-18] Fix race condition during shutdown causing a crash in gotoblas_set_affinity().

  • Martin Koehler https://github.com/grisuthedragon/

    • [2015-09-07] Improved imatcopy

  • Ashwin Sekhar T K https://github.com/ashwinyes/

    • [2015-11-09] Assembly kernels for Cortex-A57 (ARMv8)
    • [2015-11-20] lapack-test fixes for Cortex-A57
    • [2016-03-14] Additional functional Assembly Kernels for Cortex-A57
    • [2016-03-14] Optimize Dgemm 4x4 for Cortex-A57

  • theoractice https://github.com/theoractice/

    • [2016-03-20] Fix compiler error in VisualStudio with CMake
    • [2016-03-22] Fix access violation on Windows while static linking

  • Paul Mustière https://github.com/buffer51/

    • [2016-02-04] Fix Android build on ARMV7
    • [2016-04-26] Android build with LAPACK for ARMV7 & ARMV8

  • Shivraj Patil https://github.com/sva-img/

    • [2016-05-03] DGEMM optimization for MIPS P5600 and I6400 using MSA

  • Kaustubh Raste https://github.com/ksraste/

    • [2016-05-09] DTRSM optimization for MIPS P5600 and I6400 using MSA
    • [2016-05-20] STRSM optimization for MIPS P5600 and I6400 using MSA

  • Abdelrauf https://github.com/quickwritereader

    • [2017-01-01] dgemm and dtrmm kernels for IBM z13
    • [2017-02-26] ztrmm kernel for IBM z13
    • [2017-03-13] strmm and ctrmm kernel for IBM z13
    • [2017-09-01] initial Blas Level-1,2 (double precision) for IBM z13
    • [2018-03-07] added missing Blas Level 1-2 (double precision) simd codes
    • [2019-02-01] added missing Blas Level-1,2 (single precision) simd codes
    • [2019-03-14] power9 dgemm/dtrmm kernel
    • [2019-04-29] power9 sgemm/strmm kernel

  • Jiachen Wang https://github.com/wjc404

    • [2019-07-29] optimize AVX2 DGEMM
    • [2019-10-20] AVX512 DGEMM kernel (4x8)
    • [2019-11-06] optimize AVX512 SGEMM
    • [2019-11-12] AVX512 CGEMM & ZGEMM kernels
    • [2019-12-23] optimize AVX2 CGEMM and ZGEMM
    • [2019-12-30] AVX2 CGEMM3M & ZGEMM3M kernels
    • [2020-01-07] optimize AVX2 SGEMM and STRMM

  • Rajalakshmi Srinivasaraghavan https://github.com/RajalakshmiSR

    • [2020-04-15] Half-precision GEMM for bfloat16

  • Marius Hillenbrand https://github.com/mhillenibm

    • [2020-05-12] Revise dynamic architecture detection for IBM z
    • [2020-05-12] Add new sgemm and strmm kernel for IBM z14
    • [2020-09-07] Fix builds with clang on IBM z, including dynamic architecture support

  • Danfeng Zhang https://github.com/craft-zhang

    • [2020-05-20] Improve performance of SGEMM and STRMM on Arm Cortex-A53

  • PingTouGe Semiconductor Co., Ltd.

    • [2020-10] Add RISC-V Vector (0.7.1) support. Optimize BLAS kernels for Xuantie C910

  • Jake Arkinstall https://github.com/jake-arkinstall

    • [2021-02-10] Remove in-source configure_file to enable builds in read-only contexts (issue #3100, PR #3101)

  • River Dillon [email protected]

    • [2021-07-10] fix compilation with musl libc

  • Bine Brank https://github.com/binebrank

    • [2021-10-27] Add vector-length-agnostic DGEMM kernels for Arm SVE
    • [2021-11-20] Vector-length-agnostic Arm SVE copy routines for DGEMM, DTRMM, DSYMM
    • [2021-11-12] SVE kernels for SGEMM, STRMM and corresponding SVE copy functions
    • [2022-01-06] SVE kernels for CGEMM, ZGEMM, CTRMM, ZTRMM and corresponding SVE copy functions
    • [2022-01-18] SVE kernels and copy functions for TRSM

  • Ilya Kurdyukov https://github.com/ilyakurdyukov

    • [2021-02-21] Add basic support for the Elbrus E2000 architecture

  • PLCT Lab, Institute of Software Chinese Academy of Sciences

    • [2022-03] Support RISC-V Vector Intrinisc 1.0 version.

  • Pablo Romero https://github.com/pablorcum

    • [2022-08] Fix building from sources for QNX

  • Mark Seminatore https://github.com/mseminatore

    • [2023-11-09] Improve Windows threading performance scaling
    • [2024-02-09] Introduce MT_TRACE facility and improve code consistency

  • Dirreke https://github.com/mseminatore

    • [2024-01-16] Add basic support for the CSKY architecture

  • Christopher Daley https://github.com/cdaley

    • [2024-01-24] Optimize GEMV forwarding on ARM64 systems

  • Aniket P. Garade https://github.com/garadeaniket Sushil Pratap Singh https://github.com/SushilPratap04 Juliya James https://github.com/Juliya32

    • [2024-12-13] Optimized swap and rot Level-1 BLAS routines with ARM SVE

  • Annop Wongwathanarat [email protected]

    • [2025-01-10] Add thread throttling profile for SGEMM on NEOVERSEV1
    • [2025-01-21] Optimize gemv_t_sve_v1x3 kernel
    • [2025-02-26] Add sbgemv_t_bfdot kernel
    • [2025-03-12] Fix aarch64 sbgemv_t compilation error for GCC < 13
    • [2025-03-12] Optimize aarch64 sgemm_ncopy

  • Marek Michalowski [email protected]

    • [2025-01-21] Add thread throttling profile for SGEMV on NEOVERSEV1
    • [2025-02-18] Add thread throttling profile for SGEMM on NEOVERSEV2
    • [2025-02-19] Add thread throttling profile for SGEMV on NEOVERSEV2

  • Ye Tao [email protected]

    • [2025-02-03] Optimize SBGEMM kernel on NEOVERSEV1
    • [2025-02-27] Add sbgemv_n_neon kernel
    • [2025-05-17] Impl prototype of BGEMM inferface

  • Abhishek Kumar https://github.com/abhishek-iitmadras

    • [2025-04-22] Optimise dot kernel for NEOVERSE V1
    • [2025-07-23] ARM64-Enable bfloat16 kernels by default

  • Sharif Inamdar [email protected]

    • [2025-06-05] Optimize gemv_n_sve_v1x3 kernel

  • Guoyuan Li https://github.com/guoyuanplct

    • [2025-04-11] Optimise gemv kernel for RISCV64_ZVL256B
    • [2025-05-01] Optimise zgemv kernel for RISCV64_ZVL256B
    • [2025-05-17] Optimise omatcopy/zomatcopy kernel for RISCV64_ZVL256B
    • [2025-05-29] Optimise axpby kernel for RISCV64_ZVL256B
    • [2025-06-05] Optimise hbmv kernel for RISCV64_ZVL256B

  • Anna Mayne [email protected]

    • [2025-11-19] Update thread throttling profile for SGEMV on NEOVERSEV1 and NEOVERSEV2

  • Fadi Arafeh [email protected]

    • [2026-03-05] Accelerate SVE128 SBGEMM/BGEMM

  • Nathan Sircombe [email protected]

    • [2026-04-16] Add CPU ID for Neoverse V3