openucx/ucx

Issues

• how does use PCIe peer-to-peer or NVLink between two containers that each have an isolated GPU

  #10070 opened 4 months ago by linxiaochou
  3

• Does the UCX support Nividia PXN without extra path when using NVSwitch?

  #10293 opened a day ago by MoFHeka
  3

• When using shared memory communication, ucp_am_send_nbx hangs and callback not invoked

  #10370 opened 19 days ago by ivanallen
  13

• When building from source code of v5.0.3, it says ‘The submodule "config/oac" is missing.’

  #10399 opened 5 days ago by zpcalan
  0

• test_ucp.c was stuck/hang at ucs_init.

  #10389 opened 8 days ago by MoFHeka
  5

• ucp_worker.c:728 Assertion `wiface->activate_count > 0' failed: iface 0x43f3800 (tcp/lo)

  #10376 opened 18 days ago by ivanallen
  2

• Configure/compile: cflags/cxxflags and compiler invocation

  #10367 opened 19 days ago by tonycurtis
  9

• 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]

  #10248 opened 2 months ago by pradeep5561
  1

• Address Registration Error in CUDA Aware MPICH 4.2.2 + UCX 1.17.0 Application

  #10085 opened 4 months ago by cl3to
  9

• Is there a way to pre-allocate memory pools in UCX?

  #10097 opened 3 months ago by supunkamburugamuve
  2

• Compilation: cflag -funwind-tables fails with NVIDIA compilers

  #10363 opened 19 days ago by tonycurtis
  2

• If -D iov is specified by perftest, the bandwidth is reduced by half

  #10359 opened 20 days ago by ivanallen
  1

• OpenMPI+UCX with multiple GPUs error: "named symbol not found"

  #10304 opened 2 months ago by pascal-boeschoten-hapteon
  3

• How to create a group communication with UCX?

  #10361 opened 23 days ago by MoFHeka
  2

• UCT/CUDA_IPC: Possible UB when enabling CUDA_IPC_CACHE

  #10346 opened a month ago by andylin-hao
  0

• Thread group ID mismatch assertion failure in `uct_posix_mem_free`

  #10334 opened a month ago by miEsMar
  4

• Why ucp_put_nbx/ucp_get-nbx does not support sgl buffer

  #10314 opened a month ago by super-train
  2

• Traffic class not fully applied via UCX_IB_TRAFFIC_CLASS in one direction

  #10325 opened a month ago by cserranobr
  2

• Shared memory transport provides lower throughput for large message sizes than inter-node transport via the Infiniband

  #10317 opened a month ago by satishskamath
  0

• Invalid active_speed on Mellanox NDR 400Gb/s

  #10298 opened a month ago by vitduck
  4

• UCX ignores exclusively setting TCP devices when RoCE is available.

  #10049 opened 5 months ago by bertiethorpe
  8

• How to initialize UCP when there are multiple GPUs in one machine and multiple GPU machines in cluster?

  #10276 opened 2 months ago by MoFHeka
  0

• CUDA-Aware UCX with a mixture of CPU-only & GPU Nodes

  #10273 opened 2 months ago by judicaelclair
  0

• Question: Connection error on Azure ML Cluster

  #10252 opened 2 months ago by hovnatan
  1

• Single network card is very fast, dual network card speed is super slow

  #10249 opened 2 months ago by yangrudan
  3

• Q: UCX support for Gracehopper + Slingshot 11

  #10234 opened 2 months ago by angainor
  0

• Can a chain be built between ucx 1.12 and ucx1.14

  #10222 opened 3 months ago by super-train
  2

• [UCX][1.18] compatibility issue with ASAN

  #10170 opened 3 months ago by musaleh17
  1

• UCX error for D-H and H-D with current UCX master branch

  #10181 opened 3 months ago by edgargabriel
  0

• ERROR mlx5_0: both WC and NC_DEDICATED UAR allocation types are not supported

  #10180 opened 3 months ago by tonycurtis
  13

• Incorrect result report for UCP tag_bw test

  #10184 opened 3 months ago by SeyedMir
  0

• cuda, rc Bandwidth fluctuates regularly

  #10164 opened 3 months ago by yangrudan
  15

• How preallocate buffer through rendezvous protocol before ucp_tag_recv_nbx actually receiving?

  #10148 opened 4 months ago by MoFHeka
  3

• Is there any benchmark of P2P communication between NCCL and UCX(ucp)?

  #10147 opened 4 months ago by MoFHeka
  0

• UCX compilation error: 'uct_ib_mlx5_devx_mem_t' has no member named 'dm'

  #10129 opened 4 months ago by JiakunYan
  2

• Package version conflict

  #10126 opened 4 months ago by AtticusBeachy
  1

• rocm_ipc_md.c:79 UCX ERROR Failed to create ipc for 0x7f9030c18000/8000

  #10087 opened 4 months ago by jinz2014
  14

• When testing ROCm D2D transfers with UCX_TLS=rc, how does setting UCX_IB_GPU_DIRECT_RDMA=0 affect the osu_bw test results?

  #10077 opened 4 months ago by shuiYizero
  5

• NCCL all-reduce test failure due to TL_SHM ERROR, This case was happened on containers on same server.

  #10055 opened 5 months ago by thsmfe001
  9

• Assertion `worker->inprogress++ == 0' failed

  #10039 opened 5 months ago by pereverges
  3

• Using `ucp_rma_sw_progress_put` while the request becomes a pending one

  #10040 opened 5 months ago by Yangfisher1
  1

• Segmentation fault with ROCm on certain setup

  #10037 opened 5 months ago by fxzjshm
  6

• How to Use Shared Memory for Intra-node Inter-process Data Transfer?

  #10016 opened 5 months ago by Clownier
  8

• AM for Multiple threads

  #10031 opened 5 months ago by J-StrawHat
  2

• How to change single copy VIA xpmem execution to the sender process

  #10019 opened 5 months ago by arun-chandran-edarath
  3

• Stuck at waitForEvents

  #10015 opened 5 months ago by pereverges
  1

• Will 32-bit architecture be supported in the future?

  #10008 opened 6 months ago by Wire-less-LAN
  1

• Unexpected modprobe processes on RHEL9 CPU-only nodes using OpenMPI 5 with UCX built with CUDA

  #9997 opened 6 months ago by ZQyou
  1

• Long-Tail Requests

  #9976 opened 6 months ago by Clownier
  2

• Fedora package for 1.17.0 does not build on ppc

  #9980 opened 6 months ago by bkmgit
  1