Issues

• [ALERT] Access to NVIDIA's Self-Hosted Runners is Expiring

  nvidia-runners
  NVIDIA/cuCollections#853 · Filter by author nvidia-runner-mgmt opened on Sep 28, 2026

• Add cuco::detail::stream_sync(cuda::stream_ref) to centralize CCCL version-specific API naming

  NVIDIA/cuCollections#840 · Filter by author sleeepyjack opened on Sep 5, 2026
  1

• Add byte-oriented sizing and validation utilities for bloom_filter

  helps: rapidstopic: bloom_filtertype: feature request
  NVIDIA/cuCollections#829 · Filter by author PointKernel opened on Jul 13, 2026
  2

• [ENHANCEMENT]: Robin Hood Hashing performance improvement - would a PR be welcome?

  topic: performancetype: feature request
  NVIDIA/cuCollections#817 · Filter by author aterenin opened on May 29, 2026
  7

• Relax key/payload/slot type constraints to enable 1B and 2B types

  good first issueP2: Nice to havetype: improvement
  Enhancement

  NVIDIA/cuCollections#805 · Filter by author sleeepyjack opened on Apr 27, 2026
  4

• [FEA] Add MPSC/MPMC concurrent queue

  type: feature request
  Enhancement

  NVIDIA/cuCollections#791 · Filter by author sleeepyjack opened on Jan 22, 2026
  

• [ENHANCEMENT]: Enable PDL for all cuco kernels

  good first issuehelps: rapidsP1: Should havetopic: performancetype: improvement
  NVIDIA/cuCollections#785 · Filter by author sleeepyjack opened on Dec 19, 2025
  5

• [ENHANCEMENT]: Make cuco code NVRTC-compatible

  helps: rapidstype: feature request
  NVIDIA/cuCollections#695 · Filter by author PointKernel opened on Apr 4, 2025
  6

  

• Unexpected degradation of FPR when pattern_bits=4

  topic: bloom_filtertype: bug
  Bug

  NVIDIA/cuCollections#682 · Filter by author kevkrist opened on Feb 26, 2025
  5

  

• [ENHANCEMENT]: Implement cooperative device bulk operations

  type: improvement
  Enhancement

  NVIDIA/cuCollections#674 · Filter by author sleeepyjack opened on Feb 14, 2025
  1

• [ENHANCEMENT]: Consider removing the use of argument_type and result_type from hasher in cuco default_filter_policy

  P1: Should havetopic: bloom_filtertype: improvement
  NVIDIA/cuCollections#653 · Filter by author mhaseeb123 opened on Dec 10, 2024
  5

• [ENHANCEMENT]: __device__ for_each that provides a mutable reference rather than a copy of the slot to the callback function

  type: feature request
  Enhancement

  NVIDIA/cuCollections#639 · Filter by author sleeepyjack opened on Nov 15, 2024

• [ENHANCEMENT]: Get rid of custom test utilities

  good first issueP3: Backlogtype: improvement
  NVIDIA/cuCollections#622 · Filter by author PointKernel opened on Oct 18, 2024
  1

• [BUG]: repeated keys in static_map after a sequence of insertions and deletions

  P1: Should havetopic: static_maptopic: static_settype: bug
  NVIDIA/cuCollections#606 · Filter by author amiralirz opened on Oct 2, 2024
  4

• [ENHANCEMENT]: Enable 128bit hasher in cuco::bloom_filter

  P1: Should havetopic: bloom_filtertype: improvement
  Enhancement

  NVIDIA/cuCollections#601 · Filter by author sleeepyjack opened on Sep 5, 2024
  

• [ENHANCEMENT]: Add version and release tags

  P1: Should havetype: improvement
  NVIDIA/cuCollections#586 · Filter by author kroburg opened on Aug 23, 2024
  1

• [ENHANCEMENT]: Device assertions in debug mode

  good first issueP2: Nice to havetype: improvement
  NVIDIA/cuCollections#563 · Filter by author sleeepyjack opened on Jul 29, 2024
  1

  

• [ENHANCEMENT]: Update build-time check since the trunk CCCL allows 1B/2B atomic_ref

  P1: Should havetype: improvement
  NVIDIA/cuCollections#554 · Filter by author PointKernel opened on Jul 21, 2024
  2

• [ENHANCEMENT]: Enable packed_cas codepath using 16B CAS on sm_90+ architectures

  topic: performancetype: improvement
  NVIDIA/cuCollections#547 · Filter by author sleeepyjack opened on Jul 16, 2024
  2

• Support any hash constructor in hash_test.cu::check_hash_result

  good first issuetype: improvement
  NVIDIA/cuCollections#520 · Filter by author esoha-nvidia opened on Jun 25, 2024
  1

• [FEATURE]: Add perfect_hashing probing scheme

  good first issueP2: Nice to havetype: feature request
  NVIDIA/cuCollections#487 · Filter by author sleeepyjack opened on May 16, 2024
  2

  

• [ENHANCEMENT]: Add hasher/comparator adaptor to better support mapping table use case

  good first issueP2: Nice to havetype: improvement
  NVIDIA/cuCollections#476 · Filter by author PointKernel opened on May 7, 2024
  3

• Enable opt-out for bitwise comparable payload requirement

  P2: Nice to havetype: feature request
  NVIDIA/cuCollections#427 · Filter by author sleeepyjack opened on Jan 22, 2024
  1

• [ENHANCEMENT]: Add a callback to the bulk_insert functions

  type: feature request
  NVIDIA/cuCollections#376 · Filter by author esoha-nvidia opened on Sep 28, 2023
  5

• [ENHANCEMENT]: Provide helper function cuco::experimental::make_static_set et al

  P2: Nice to havetype: improvement
  NVIDIA/cuCollections#370 · Filter by author esoha-nvidia opened on Sep 21, 2023
  6