NVIDIA/cccl v2.5.0-rc1

CCCL 2.5.0

on GitHub

What's Changed

• Clean up libcu++ docs landing page by @jrhemstad in #1492
• PTX: Add cuda::ptx::elect_sync by @ahendriksen in #1537
• Print a summary of all tests sorted by execution time. by @alliepiper in #1539
• Fix unused variable warning for __can_use_complete_tx by @wmaxey in #1547
• Fix usage of naked array with 0 elements in sm90 barrier tests. by @wmaxey in #1546
• Add support for stream operators for complex by @miscco in #1538
• Fix __half for older architectures by @miscco in #1543
• Feat 565 remove redundant thrust dialect conditional by @ZelboK in #566
• fix missing device hint in WarpMergeSort Documentation by @MARD1NO in #1553
• Minor fixes and additions on cub developer guides by @gonidelis in #1559
• Consolidate handling of constexpr and if constexpr by @miscco in #1562
• Ensure that cuda::aligned_size_t is usable in a constexpr context by @miscco in #1564
• Group CUB docs by @gevtushenko in #1565
• Update toolkit to 12.4 by @miscco in #1554
• Work around change in cuTensorMapEncode by @miscco in #1567
• Remove stdlib arg from .clangd. by @alliepiper in #1569
• Add the DeviceSelect::FlaggedIf algorithm by @gonidelis in #1533
• Catch2 segmented sort by @alliepiper in #1484
• Do not emit diagnostic with extended device lambdas with preserved re… by @Revaj in #1495
• Use absolute includes for libcu++ by @miscco in #1560
• [NFC] Modularize <exception> by @miscco in #199
• Add test support for launching kernels with cluster size > 1 by @ahendriksen in #416
• Fix typo in README.md by @bprb in #1574
• [FEA]: Modularize <cuda/memory_resource> by @miscco in #1532
• Cleanup_complex by @miscco in #1555
• Add missing comma in barrier __try_wait by @miscco in #1593
• Segmented sort test fix by @alliepiper in #1591
• Add pre-commit configuration by @bdice in #1596
• Preserve .devcontainer/img/ when cleaning. by @alliepiper in #1604
• Add some documentation for recent additions to libcu++ by @miscco in #1594
• Ensure cuda::std::nullopt is visible in device code by @trxcllnt in #1598
• Fix ordering of alignas and __shared__ by @miscco in #1601
• Update Thrust CI tests. by @alliepiper in #1605
• Implement tuple interface for cuda vector types by @miscco in #1410
• Inspect PR changes to determine if subproject builds are needed. by @alliepiper in #1572
• Apply clang-format to cub by @bdice in #1602
• Add missing non-volatile atomic overloads. by @wmaxey in #1582
• Drop unused libcxx files by @miscco in #1606
• Apply formatting to libcudacxx by @miscco in #1610
• Add conda documentation to the README. by @bdice in #1581
• Allow jobs to be skipped. by @alliepiper in #1611
• Make libcu++ work with exceptions by @miscco in #1607
• Implement cuda::mr::cuda_memory_resource by @miscco in #1578
• Implement cuda::mr::managed_memory_resource by @miscco in #1579
• Apply formatting to thrust by @miscco in #1616
• Update example_device_radix_sort.cu by @eriktedhamre in #1608
• Implement cuda::mr::pinned_memory_resource by @miscco in #1580
• Set the devcontainers to format on save. by @miscco in #1624
• Enable internal use of std::allocator related functionality by @miscco in #1583
• Adds tests for large number of items for cub::DeviceSelect by @elstehle in #1612
• Add pre-commit docs to CONTRIBUTING.md. by @bdice in #1627
• Move visibility attributes to cccl by @miscco in #1595
• Work around thrust/memory.h circular include by @dkolsen-pgi in #1634
• Fix mbarrier.init addressing by @ahendriksen in #1636
• Trim trailing whitespace and normalize newlines. by @bdice in #1633
• Add a git-blame-ignore-revs file by @miscco in #1629
• Revert "PTX: Add cuda::ptx::elect_sync (#1537)" by @ahendriksen in #1638
• Address potential oob in cub when passing in an invalid device counter by @miscco in #1641
• Allow ninja_summary to fail by @jrhemstad in #1644
• Mostly flatten the folder structure of libcu++ by @miscco in #1630
• Make --cmake-options="" always override others. by @alliepiper in #1648
• Fix invalid _CCCL_CUDACC definition for clang cuda by @miscco in #1656
• Add missing #pragma once in some headers by @bernhardmgruber in #1668
• Add NVTX ranges for all CUB algorithms by @bernhardmgruber in #1657
• Implement LWG-3843 and LWG-3940 by @miscco in #1621
• Modularize <memory> by @miscco in #1639
• Expose <cuda/std/numeric> to be publicly available by @miscco in #1671
• Add nsight support for automated debugging by @gonidelis in #1660
• Format core headers by @miscco in #1670
• Guard resource_ref and friends behind feature flag by @miscco in #1675
• Create major version 2.5.0 by @wmaxey in #1677
• Install CUB headers with .hpp extension by @bernhardmgruber in #1687
• Update CMakePresets.json by @alliepiper in #1686
• Fix deprecated status by @gevtushenko in #1692
• Test combined internal/user-side use of NVTX by @bernhardmgruber in #1690
• CI Overhaul, new nightly workflow by @alliepiper in #1654
• Fix CMake option handling. by @alliepiper in #1698
• Fix issues that came up with building cuDF with main by @miscco in #1643
• Drop new properties until we are certain about the design by @miscco in #1681
• Remove more uses of __cuda_std__ by @miscco in #1669
• Fix usage of result_of in thrust by @miscco in #1705
• Fix thrust::optional<T&>::emplace() by @Snektron in #1707
• Remove old f(void) function signatures by @bernhardmgruber in #1708
• Fix code sample in README and docs by @pauleonix in #1652
• Format libcudacxx/include files without extensions by @bdice in #1676
• Several improvements to zip_iterator/zip_function by @bernhardmgruber in #1710
• Expose thrust's contiguous iterator unwrap helpers by @bernhardmgruber in #1717
• Fix flakey heterogeneous tests by @wmaxey in #1712
• Ensure that we can use cuda::std::optional with types that are not __host__ __device__ by @miscco in #1663
• Fix a typo in barrier docs and update the godbolt link by @PointKernel in #1718
• Massively improve test times in heterogeneous atomics tests by @wmaxey in #1719
• Consolidate more common functionality by @miscco in #1716
• Increase timeout for the libcu++ test runs by @miscco in #1720
• Fix nightly CI: H100 runners are not in a testing pool. by @alliepiper in #1723
• Add a new CUDA Next library and a first entry in it with hierarchy_dimensions type template by @pciolkosz in #1485
• Atomics backend refactor by @wmaxey in #1631
• Const-qualify half_t::operator+/* by @bernhardmgruber in #1726
• Reenable previously failing histogram test for icc by @bernhardmgruber in #1725
• Enable testing for the other half of the heterogeneous managed memory tests on MSVC. by @wmaxey in #1729
• PTX: mark cp_async_bulk*_multicast functions sm_90a by @ahendriksen in #1734
• Improve libcu++ documentation a bit more by @miscco in #1732
• Make atomic_ref ctor constexpr. again. by @wmaxey in #1737
• Various and sundry fixes for Thrust's CPP backends. by @alliepiper in #1722
• Avoid ABI issues due to MSVC EBCO issues by @miscco in #1739
• Drop unused header from ptx by @miscco in #1740
• Allow an override matrix to reduce CI workload. by @alliepiper in #1701
• Fix docs generation by @miscco in #1741
• Add docs instructions on how to utilize CMake Presets by @gonidelis in #1694
• Ensure that {cr}begin works with types that pull in namespace std via ADL by @miscco in #1685
• Merge prep jobs for verify-devcontainers CI. by @alliepiper in #1754
• Fix typo in ci docs. by @alliepiper in #1756
• Add runtime + sccache info to CI comment by @alliepiper in #1744
• Add section about SSH signing keys to developer docs. by @alliepiper in #1755
• Add sm100 support to <nv/target> for NVCC by @wmaxey in #1745
• Fix_duplicate_job_checks by @alliepiper in #1759
• Const-qualify histogram pointer input parameters by @bernhardmgruber in #1762
• Return demangled name in c2h::type_name by @bernhardmgruber in #1773
• Simplify argument forwarding in CUB histogram entry-points by @bernhardmgruber in #1776
• Add guard against half support by @miscco in #1735
• Refactor CUB test launch helpers by @bernhardmgruber in #1770
• Replace cub::ArrayWrapper by cuda::std::array and deprecate it by @bernhardmgruber in #1764
• Fix missing qualification of pow in two instances by @miscco in #1784
• Add mechanism to split project tests into parallel jobs. by @alliepiper in #1696
• Fix __half conversion to float in histogram by @miscco in #1785
• Implement P3029R1: deduction from integral_constant by @miscco in #1786
• Revert to showing skipped jobs to WAR GHA bug. by @alliepiper in #1794
• Port to Catch2 and rework device histogram test by @bernhardmgruber in #1695
• Add gcc13, clang17, clang18 to CI by @jrhemstad in #1757
• Drop more of thrust type traits by @miscco in #1721
• Show workflow walltime, job max time in CI comment. by @alliepiper in #1795
• Fix span for non-ranges by @miscco in #1840
• Drop all internal implementations of exceptions (#1806) by @miscco in #1839
• Backport atomic regression fix #1801 by @wmaxey in #1833
• [BACKPORT] Symbol visibility is now invariant in regards to __cuda_std__ definition (#1832) by @miscco in #1864

New Contributors

• @MARD1NO made their first contribution in #1553
• @Revaj made their first contribution in #1495
• @bprb made their first contribution in #1574
• @eriktedhamre made their first contribution in #1608
• @Snektron made their first contribution in #1707

Full Changelog: v2.4.0...v2.5.0-rc1