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libcu++ 2.1.0

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@wmaxey wmaxey released this 15 Mar 00:33
· 87 commits to main since this release
2.1.0
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libcu++ 2.1.0

Adds <cuda/std/span>, <cuda/std/mdspan>, and <cuda/std/concepts> to libcu++.

We are excited to announce the release of libcudacxx 2.1. While there are no breaking changes in this release, we are increasing the semantic major version to better synchronize our release versions with Thrust and CUB repositories. This effort aims to better unify our libraries, and ensure that users can more easily determine which versions of each library are compatible with one another. We are making this change because we want to start thinking about these three projects not as independent libraries, but as three parts of a single, Core CUDA C++ Library (CCCL). In the near future, before the next release, we plan to merge the three libraries into a single monorepository at nvidia/cccl. We believe that this consolidation will make it even easier for users to take advantage of the powerful features and optimizations available in our CUDA libraries.

In an effort to modernize our codebase and introduce new features, we have consolidated the list of supported compilers. For 2.1.0 we support as host compilers the GNU Compiler Collection (gcc) down to version 7.5 and LLVMs clang down to version 7.1.0.

Supported ABI Versions: 4 (default), 3, and 2.

New Features

  • #313: Add cuda/std/span and backport it to C++14
  • #299: Add cuda/std/mdspan and backport it to C++14.
    • Thanks Yu You for this contribution.
  • #349: Add cuda/std/concepts and backport them to C++14. You will be able to utilize C++20 concepts already in C++14/17 through existing SFINAE techniques.
  • #333: Add support for structured bindings for cuda::std::tuple, cuda::std::pair and cuda::std::array.

Issues Fixed

  • #328: Docs: Fix broken links.
    • Thanks chaosink for this contribution.
  • #329: Block local memory tests on pascal.
  • #332: Add support for clang-15.
  • #317: Fix structured binding support.
  • #331: Correct issues with CMake install rules.
  • #301: Move and update "memory model" docs.
  • #323: Fix broken links in documentation.
  • #232: Document <nv/target> in an example.
  • #257: Add documentation for atomic_ref.
  • #336: Fetch host <utility> to populate tuple_size.
  • #340: Add tests for host only TUs and fix several found issues.
  • #335: Modularize <type_traits>.
  • #330: Modularize <iterator>.
  • #345: Fix warning about unqualified move.
  • #342: Silence deprecation and attribute warnings when building libcu++.
  • #344: Remove invalid qualification of initializer_list.
  • #347: Fix errors in atomic with small aggregates and enum classes.
  • #352: Make lerp usable on device.
  • #346: Add more dialects to host only TU tests.
  • #360: Add check for deduction guides macro to functional/reference_wrapper.h.
  • #359: Fix definition of disjunction for MSVC.
  • #364: Split memcpy_async tests into a few other tests.
  • #365: Remove gcc-6 from the compose file.
  • #350: Modularize <utility>.
  • #107: Description of policy for backporting Standard C++ features.
  • #128: Fix a typo in the cuda:: heterogeneous policy.
  • #369: Fix cuda::atomic_thread_fence example.
  • #110: Fixed rename errors.
  • #353: Update thread scope for synchronization domains.
  • #367: Fix warnings in several headers.
  • #379: Update atomics backend to be compatible with atomic_ref.
  • #378: Prevent conflict with MSVC macros in 14.35.
  • #355: Modularize <functional>.
  • #309: Add an experimental {async_}resource_ref.
  • #372: Improve handling of internal headers and modularization.
  • #383: Fix various issues in CPOs and tuple.
  • #386: Fix proclaim_return_type copy constructor.
  • #389: Fix atomic_ref example in docs.
    • Thanks Daniel Jünger for this contribution.
  • #388: Fix _EnableConstructor in cuda::std::tuple to be dependent on a template argument.
  • #384: Move the unused helper function into test_macros.h.
  • #391: Fix issues in mdspan found on MSVC.
  • #393: Update copyright on several headers.
  • #394: Fix cuda::std::chrono on nvc++.
  • #396: Fix possible reinclude issue, add SM_89 to arch detection.
  • #395: Revert changes made to several tests in #393.
  • #399: Revert a few more changes from #393.
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