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638 Open 685 Closed
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Issues list

local access violation work queue error when upgrade to v2.20.3-1
#1524 opened Nov 26, 2024 by gangxie112
7
Questions about the FIFO of simple protocol
#1523 opened Nov 25, 2024 by JK-Jiagn
Any possibility/plan to support fused kernels?
#1522 opened Nov 25, 2024 by dearsxx0918
Why group calls (ncclGroupStart() and ncclGroupEnd()) are invoked in ncclSend() and ncclRecv()
#1521 opened Nov 21, 2024 by ZhiyiHu1999
Is it safe or recommended to use multiple communicators for real distributed training
#1520 opened Nov 19, 2024 by ZhiyiHu1999
Unable to use multiple NICs
#1519 opened Nov 19, 2024 by thecodingwizard
4
torch.distributed.DistBackendError: NCCL error
#1517 opened Nov 18, 2024 by Chevolier
1
Could not enable P2P between devices
#1516 opened Nov 18, 2024 by ZhiyiHu1999
1
Nccl socketStartConnect: Connect to x.x.x.x<xxxx> failed : Software caused connection abort
#1515 opened Nov 16, 2024 by 913871734
4
torch.distributed.DistBackendError: NCCL error in ProcessGroupNCCL.cpp:1275
#1514 opened Nov 14, 2024 by shenshaowei
1
nccl capture error
#1513 opened Nov 14, 2024 by freshduer
nccl-test Indicates a performance problem
#1511 opened Nov 10, 2024 by yalbaba
13
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
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