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[OpenMP][Doc] Update release note for 16 release

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Shilei Tian
2023-01-24 14:04:28 -05:00
parent 4ab2246d48
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openmp/docs/ReleaseNotes.rst
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@@ -20,27 +20,40 @@ from the `LLVM releases web site <https://llvm.org/releases/>`_.
Non-comprehensive list of changes in this release
=================================================
* OpenMP target offloading will no longer support on 32-bit Linux systems.
``libomptarget`` and plugins will not be built on 32-bit systems.
* Support for building the OpenMP runtime for Windows on AArch64 and ARM
with MinGW based toolchains.
* Made the OpenMP runtime tests run successfully on Windows.
* Improved performance and internalization when compiling in LTO mode using
* Improved performance and internalization when compiling in LTO mode using
``-foffload-lto``.
* Created the ``nvptx-arch`` and ``amdgpu-arch`` tools to query the user's
* Created the ``nvptx-arch`` and ``amdgpu-arch`` tools to query the user's
installed GPUs.
* Removed ``CLANG_OPENMP_NVPTX_DEFAULT_ARCH`` in favor of using the new
* Removed ``CLANG_OPENMP_NVPTX_DEFAULT_ARCH`` in favor of using the new
``nvptx-arch`` tool.
* Added support for ``--offload-arch=native`` which queries the user's locally
available GPU architectures. Now ``-fopenmp --offload-arch=native`` is
* Added support for ``--offload-arch=native`` which queries the user's locally
available GPU architectures. Now ``-fopenmp --offload-arch=native`` is
sufficient to target all of the user's GPUs.
* Added ``-fopenmp-target-jit`` to enable JIT support.
* Added ``-fopenmp-target-jit`` to enable JIT support. Only basic JIT feature is
supported in this release. A couple of JIT related environment variables were
added, which can be found on `LLVM/OpenMP runtimes page <https://openmp.llvm.org/design/Runtimes.html#libomptarget-jit-opt-level>`.
* OpenMP now supports ``-Xarch_host`` to control sending compiler arguments only
* OpenMP now supports ``-Xarch_host`` to control sending compiler arguments only
to the host compilation.
* Improved ``clang-format`` when used on OpenMP offloading applications.
* ``f16`` suffix is supported when compiling OpenMP programs if the target
supports it.
* Python 3 is required to run OpenMP LIT tests now.
* Fixed a number of bugs and regressions.