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Pull requests: openucx/ucc
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TL/UCP: enable host-side SRA allreduce pipelining
#1354
opened Aug 31, 2026 by
wfaderhold21
Collaborator
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TL/NCCL: Guard ncclCommDestroy and document update_id limitation
#1353
opened Aug 31, 2026 by
bwestheimer
•
Draft
CORE/TEAM_CACHE: Guard against caching teams with outstanding persistent handles
#1352
opened Aug 31, 2026 by
bwestheimer
•
Draft
CORE/TEAM_CACHE: Add derived-team caching and experimental RESEAT
#1350
opened Aug 31, 2026 by
bwestheimer
•
Draft
CORE/TEAM_CACHE: Extract shared team state into a refcounted artifacts holder
#1349
opened Aug 31, 2026 by
bwestheimer
•
Draft
CORE/TEAM_CACHE: Add communicator team cache with exact reuse and agreement vote
#1348
opened Aug 31, 2026 by
bwestheimer
•
Draft
CORE/SERVICE_COLL: Add embedded req flag and ctx-scoped allreduce
#1347
opened Aug 31, 2026 by
bwestheimer
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CORE/TEAM: Fix team-id pool off-by-one at multiples of 64
#1346
opened Aug 31, 2026 by
bwestheimer
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TL/UCP: add onesided a2a peer ordering and fragmentation
#1345
opened Aug 31, 2026 by
wfaderhold21
Collaborator
•
Draft
TL/UCP: Add opt-in node-interleaved Alltoall order
#1344
opened Aug 25, 2026 by
jeffnvidia
Contributor
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UCP: Tune Alltoall pairwise posting depth
#1343
opened Aug 25, 2026 by
jeffnvidia
Contributor
•
Draft
TL/UCP: Relax Allreduce Ring Constraints
Ready-for-Review
#1336
opened Jul 30, 2026 by
wfaderhold21
Collaborator
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CORE: add team (communicator) caching
Target v1.10.0
#1335
opened Jul 30, 2026 by
bwestheimer
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TL/UCP: select exact allgather radix schedules
#1328
opened Jul 12, 2026 by
jeffnvidia
Contributor
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TL/UCP: add exact mixed-radix allgather schedules
Ready-for-Review
#1327
opened Jul 12, 2026 by
jeffnvidia
Contributor
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TL/CUDA: add support for ucc mem map
Ready-for-Review
#1315
opened May 18, 2026 by
wfaderhold21
Collaborator
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CORE: add global init status check
Ready-for-Review
Target v1.9.0
#1303
opened Apr 29, 2026 by
wfaderhold21
Collaborator
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TL/MLX5: validate mcast packet fields
WIP - Don't Merge
#1302
opened Apr 28, 2026 by
janjust
Collaborator
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TL/UCP: add implementation for team-based segments
Ready-for-Review
#1301
opened Apr 28, 2026 by
wfaderhold21
Collaborator
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CORE: Fix deadlock in asymmetric collectives check
#1300
opened Apr 17, 2026 by
QiaoK
Collaborator
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