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628 Open 682 Closed
628 Open 682 Closed
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Issues list

nccl-test Indicates a performance problem
#1511 opened Nov 10, 2024 by yalbaba
6
GPU Direct RDMA Disabled for HCA
#1510 opened Nov 9, 2024 by hiennguyennq
3
NCCL hung witih NCCL_P2P_USE_CUDA_MEMCPY=1 by pytorch
#1509 opened Nov 8, 2024 by adofirst2018
5
what is the count value in allreduce function?
#1508 opened Nov 8, 2024 by BSkim26
allgather performance using NVLS is poor
#1506 opened Nov 7, 2024 by telala
13
Encounter NCCL error when runing Pytorch example code
#1504 opened Nov 3, 2024 by Noblezhong
5
Difference between readLL() and readLLFinish() in prims_ll.h
#1503 opened Oct 31, 2024 by ZhiyiHu1999
nccl topo about PHB and NODE
#1502 opened Oct 31, 2024 by jianzi123
1
Can NCCL and model forward propagation (CUDA matrix operations) be executed simultaneously, and if so, how can this be achieved?
#1500 opened Oct 30, 2024 by liweiqing1997
ncclInternalError: Internal check failed
#1499 opened Oct 30, 2024 by whiteyn
3
same data all reduce on H20, but results are different
#1497 opened Oct 28, 2024 by Rainlin007
10
result of sendrecv_perf is wrong
#1496 opened Oct 28, 2024 by yanminjia
1
P2P in non-blocking mode
#1495 opened Oct 26, 2024 by kwen2501
3
Alternating rings cause bad performance (NIC sending PFC) in a cluster with mixed crossNic=0/1 nodes
#1494 opened Oct 25, 2024 by huzhiwen93
A question about sequences of functions called in nccl/src/transport /net.cc
#1493 opened Oct 25, 2024 by ZhiyiHu1999
NCCL Logs Questions
#1492 opened Oct 21, 2024 by gjit-juniper
Question about tree channel
#1491 opened Oct 21, 2024 by networkResearcher
Question about the topology of double binary tree
#1490 opened Oct 21, 2024 by networkResearcher
NCCL WARN socketProgress: Connection closed by remote peer
#1486 opened Oct 18, 2024 by ganyu1992
2
The internal errors caused by host-side multi-threads
#1485 opened Oct 18, 2024 by themoonstone
How to use the profiler plugin?
#1484 opened Oct 16, 2024 by jxh314
1
what is the nvidia IMEX channels in Multi-Node NVLink (MNNVL)
#1483 opened Oct 16, 2024 by vvmex
1
what will happen if i call ncclAbort after ncclSend
#1481 opened Oct 16, 2024 by freshduer
The nsys profile will hang when NCCL_P2P_USE_CUDA_MEMCPY is enabled
#1480 opened Oct 15, 2024 by PhdShi
5
question about PXN
#1479 opened Oct 15, 2024 by anchenchai
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