Skip to content

Issues: openucx/ucx

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

608 Open 1,491 Closed
608 Open 1,491 Closed
Author
Filter by author
Loading
Label
Filter by label
Loading
Use alt + click/return to exclude labels
or ⇧ + click/return for logical OR
Projects
Filter by project
Loading
Milestones
Filter by milestone
Loading
Assignee
Filter by who’s assigned
Sort
Sort by
Newest Oldest Most commented Least commented Recently updated Least recently updated Best match
Most reactions
👍 👎 😄 🎉 😕 ❤️ 🚀 👀

Issues list

Segfault in uct_am_short_fill_data when transferring cudaMalloc3D allocated regions Bug
#10526 opened Mar 1, 2025 by uranix
1
Cannot run large-scale MPI jobs with collectives with UCX 1.18 + OpenMPI 5 Bug
#10522 opened Feb 26, 2025 by kah3f
3
ucx 1.18.0 not building with NVHPC 24.9 with undefined reference Bug
#10509 opened Feb 24, 2025 by louspe-linaro
@tvegas1
2
Regarding UCX's Support Status for Cray Slingshot-11
#10506 opened Feb 22, 2025 by vitduck
When I use sendTaggedNonBlocking to send messages, I send a request, but I catch the packet and find that I have read quest twice.
#10498 opened Feb 18, 2025 by Aismy
1
Tail of RMA buffer sporadically not updated after remote host put request finished. Bug
#10487 opened Feb 13, 2025 by YaoHaoLau
Poor performance when sending large messages
#10486 opened Feb 13, 2025 by Aismy
ucx error while running HPCC application
#10451 opened Jan 26, 2025 by Shubham-Bokadiya
2
Compilation error (Werror) due to ignoring return value. Bug
#10449 opened Jan 25, 2025 by xkszltl
1
3
Only half the bandwidth is available in rdma bond mode Bug
#10430 opened Jan 20, 2025 by ivanallen
19
Bug report for UD connection when creq length > max_inline_size Bug
#10423 opened Jan 16, 2025 by LeDong98
4
Intra-node communication fails when using Nvidia hpc-x in a Singularity container Bug
#10404 opened Jan 6, 2025 by mredenti
When using shared memory communication, ucp_am_send_nbx hangs and callback not invoked Bug
#10370 opened Dec 12, 2024 by ivanallen
15
How to create a group communication with UCX?
#10361 opened Dec 7, 2024 by MoFHeka
2
UCT/CUDA_IPC: Possible UB when enabling CUDA_IPC_CACHE
#10346 opened Dec 2, 2024 by andylin-hao
Shared memory transport provides lower throughput for large message sizes than inter-node transport via the Infiniband Bug
#10317 opened Nov 21, 2024 by satishskamath
OpenMPI+UCX with multiple GPUs error: "named symbol not found" Bug
#10304 opened Nov 15, 2024 by pascal-boeschoten-hapteon
3
How to initialize UCP when there are multiple GPUs in one machine and multiple GPU machines in cluster?
#10276 opened Nov 5, 2024 by MoFHeka
CUDA-Aware UCX with a mixture of CPU-only & GPU Nodes Bug
#10273 opened Nov 4, 2024 by judicaelclair
Failed to run ucx assessment job and getting job limit exceed 12 while triggering ucx assessment job [version ucx 0.38 version onwards,facing this issue-unable to trigger ucx assessment job] Bug
#10248 opened Oct 22, 2024 by pradeep5561
1
Q: UCX support for Gracehopper + Slingshot 11 Bug
#10234 opened Oct 16, 2024 by angainor
1
Can a chain be built between ucx 1.12 and ucx1.14
#10222 opened Oct 11, 2024 by super-train
2
Incorrect result report for UCP tag_bw test Bug
#10184 opened Sep 26, 2024 by SeyedMir
@yosefe
How preallocate buffer through rendezvous protocol before ucp_tag_recv_nbx actually receiving?
#10148 opened Sep 12, 2024 by MoFHeka
3
Is there any benchmark of P2P communication between NCCL and UCX(ucp)?
#10147 opened Sep 11, 2024 by MoFHeka
ProTip! Updated in the last three days: updated:>2025-02-28.