UCX Third-Party Notices
=======================

UCX is distributed under the BSD-3-Clause license in the LICENSE file. This
document identifies separately licensed third-party source code included in
the UCX source tree or referenced by a pinned Git submodule. It does not cover
libraries and tools that users install separately and that are only detected,
compiled against, or loaded at runtime.

BSD-3-Clause components
-----------------------

UCX project sources
  Files: UCX source files that refer to the top-level LICENSE
  Copyright notices include:
    2001-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
    2014-2019 UT-Battelle, LLC. All rights reserved.
    2014-2015 The University of Houston System. All rights reserved.
    2015-2016 The University of Tennessee and The University of Tennessee
              Research Foundation. All rights reserved.
    2016-2021 Arm Ltd. All rights reserved.
    2016-2019 Los Alamos National Security, LLC. All rights reserved.
    2016-2026 Advanced Micro Devices, Inc. All rights reserved.
    2019 UChicago Argonne, LLC. All rights reserved.
    2020-2023 Huawei Technologies Co., Ltd. All rights reserved.
    2016-2020 Stony Brook University. All rights reserved.
    2015 IBM. All rights reserved.
    2019 Hiroyuki Sato. All rights reserved.
    2020 Shanghai Zhaoxin Semiconductor Co., Ltd. All rights reserved.
    2021 Broadcom Inc. and/or its subsidiaries. All rights reserved.
    2021 NextSilicon Ltd. All rights reserved.
    2022 Tactical Computing Labs, LLC. All rights reserved.
    2018, 2023 Triad National Security, LLC. All rights reserved.
    2023-2026 Intel Corporation. All rights reserved.
    2023 Rivos Inc.
    2024 Google, LLC. All rights reserved.
    2025 Fujitsu Limited. All rights reserved.
    2026 Zhixian Li. All rights reserved.
    Oak Ridge National Laboratory. All rights reserved.
  License: BSD-3-Clause

inih
  Files:
    src/ucs/config/ini.c
    src/ucs/config/ini.h
  Upstream: https://github.com/benhoyt/inih
  Copyright (C) 2009-2020, Ben Hoyt
  License: BSD-3-Clause

ThunderX2 optimized memcpy
  File: src/ucs/arch/aarch64/memcpy_thunderx2.S
  Copyright (c) 2018, Marvell Technology Group Ltd.
  License: Apache-2.0 OR BSD-3-Clause

  UCX redistributes this file under the BSD-3-Clause alternative.

NVIDIA DOCA GPUNetIO
  Git submodule: external/gpunetio
  Upstream: https://github.com/NVIDIA-DOCA/gpunetio
  Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
  License: BSD-3-Clause

The BSD-3-Clause license applicable to the sources and components above
follows:

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.

  3. Neither the name of the copyright holder nor the names of its
     contributors may be used to endorse or promote products derived from
     this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.

qsort_r BSD license
-------------------

qsort_r
  Files:
    src/ucs/algorithm/qsort_r.c
    src/ucs/algorithm/qsort_r.h
  Copyright (c) 1992, 1993 The Regents of the University of California.
  License: BSD-3-Clause

The license distributed with qsort_r follows:

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.

  4. Neither the name of the University nor the names of its contributors may
     be used to endorse or promote products derived from this software without
     specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND ANY
  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

GoogleTest BSD license
----------------------

GoogleTest
  Files: test/gtest/common/googletest/
  Upstream: https://github.com/google/googletest
  Copyright 2005-2015, Google Inc., as identified in the individual files.
  License: BSD-3-Clause

The license distributed with GoogleTest follows:

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  * Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.

  * Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

  * Neither the name of Google Inc. nor the names of its contributors may be
    used to endorse or promote products derived from this software without
    specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  POSSIBILITY OF SUCH DAMAGE.

MIT component
-------------

khash
  File: src/ucs/datastruct/khash.h
  Upstream: https://github.com/attractivechaos/klib
  Copyright (c) 2008, 2009, 2011 by Attractive Chaos
  License: MIT

The MIT license applicable to khash follows:

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to
  deal in the Software without restriction, including without limitation the
  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  sell copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  IN THE SOFTWARE.

SGLIB component
---------------

SGLIB 1.0.3
  File: src/ucs/datastruct/sglib.h
  Upstream: http://www.xref-tech.com/sglib
  Copyright (C) 2003-2005 Marian Vittek

The license conditions distributed with SGLIB follow:

  You can use a verbatim copy (including this copyright notice) of sglib
  freely in any project, commercial or not. You can also use derivative forms
  freely under terms of Open Source Software license or under terms of GNU
  Public License. If you need to use a derivative form in a commercial
  project, or you need sglib under any other license conditions, contact the
  author.

Autoconf Archive component
--------------------------

Doxygen Autoconf macro
  File: config/m4/ax_prog_doxygen.m4
  Upstream: https://www.gnu.org/software/autoconf-archive/ax_prog_doxygen.html
  Copyright (c) 2009 Oren Ben-Kiki
  Copyright (C) 2014-2015 UT-Battelle, LLC. All rights reserved.
  License: FSF All Permissive License

Doxygen Automake rules
  File: docs/doxygen/doxygen.am
  Copyright (c) 2009 Oren Ben-Kiki
  Copyright (C) 2014-2015 UT-Battelle, LLC. All rights reserved.
  License: BSD-3-Clause and FSF All Permissive License

The BSD-3-Clause license is reproduced above. The FSF All Permissive License
distributed with these files follows:

  Copying and distribution of this file, with or without modification, are
  permitted in any medium without royalty provided the copyright notice and
  this notice are preserved. This file is offered as-is, without any warranty.

Public-domain components
------------------------

dlmalloc 2.8.6
  Files:
    src/ucm/ptmalloc286/malloc.c
    src/ucm/ptmalloc286/malloc-2.8.6.h
  Author: Doug Lea
  License: Public domain

The source states:

  This is a version (aka dlmalloc) of malloc/free/realloc written by Doug Lea
  and released to the public domain, as explained at
  http://creativecommons.org/publicdomain/zero/1.0/.

Quickselect routine
  File: src/tools/perf/lib/libperf.c
  Author: Nicolas Devillard
  Copyright year: 1998
  License: Public domain

The source states that the Quickselect routine is based on the algorithm in
"Numerical Recipes in C", Second Edition, and that the implementation by
Nicolas Devillard is in the public domain.
