-mca btl_tcp_if_include bond0 -mca pml ^ucx -mca btl ^openib #指定BTL的value为'^openib' -x NCCL_DEBUG=INFO #NCCL的调试级别为info -x NCCL_IB_GID_INDEX=3 -x NCCL_IB_HCA=mlx5_0:1,mlx5_2:1,mlx5_3:1,mlx5_4:1 -x NCCL_SOCKET_IFNAME=bond0 #指定了 NCCL ...
-x NCCL_SOCKET_NTHREADS=16-mca btl_tcp_if_include bond0 -mca pml ^ucx -mca btl ^openib #指定BTL的value为'^openib'-x NCCL_DEBUG=INFO #NCCL的调试级别为info -x NCCL_IB_GID_INDEX=3-x NCCL_IB_HCA=mlx5_0:1,mlx5_2:1,mlx5_3:1,mlx5_4:1-x NCCL_SOCKET_IFNAME=bond0 #指定了 ...
【摘要】 # 作用:出现异常可以启动设置成TRACE进行调试,但是会影响性能NCCL_DEBUG=INFO# 出现NCCL timeout 可以适当调大NCCL_IB_TIMEOUT=18NCCL_IB_RETRY_CNT=16# 请不要修改,ModelArts会提前预置好NCCL_IB_HCA=^mlx5_bond_0NCCL_SOCKET_IFNAME="=bond0,eth0,enp218s0,... # 作用:出现异常可以启动设置成...
-x NCCL_SOCKET_NTHREADS=16 -mca btl_tcp_if_include bond0 -mca pml ^ucx -mca btl ^openib #指定BTL的value为'^openib' -x NCCL_DEBUG=INFO #NCCL的调试级别为info -x NCCL_IB_GID_INDEX=3 -x NCCL_IB_HCA=mlx5_0:1,mlx5_2:1,mlx5_3:1,mlx5_4:1 -x NCCL_SOCKET_IFNAME=bond0 #...
-x NCCL_SOCKET_NTHREADS=16 -mca btl_tcp_if_include bond0 -mca pml ^ucx -mca btl ^openib #指定BTL的value为'^openib' -x NCCL_DEBUG=INFO #NCCL的调试级别为info -x NCCL_IB_GID_INDEX=3 -x NCCL_IB_HCA=mlx5_0:1,mlx5_2:1,mlx5_3:1,mlx5_4:1 -x NCCL_SOCKET_IFNAME=bond0 #...
export NCCL_SOCKET_IFNAME=bond0 deepspeed train.py xxxxx but I got the following nccl information: NCCL INFO NCCL_IB_DISABLE set by environment to 0. misc/ibvwrap.cc:212 NCCL WARN Call to ibv_open_device failed transport/net_ib.cc:148 NCCL WARN NET/IB : Unable to open device mlx5_bo...
NCCL_SOCKET_IFNAME 指定用于通信的IP接口 设置成主机的host TCP/IP网卡,可通过ip a查找,默认是bond0 NCCL_IB_GID_INDEX 设置RDMA通信优先级 通过show_gids确认对应的IB网卡gid index NCCL_IB_DISABLE 是否关闭IB通信 设置成1来启用TCP通信,一般需要设置成0或者默认不动 NCCL_IB_HCA 环境中的IB网卡 例如export...
NCCL_DEBUG=INFO NCCL_SOCKET_IFNAME=bond0 UCX_NET_DEVICES=bond0 With nccl 2.18.3-1+cuda12.2 all_reduce_perf -b 8 -e 128M -f 2 -g 1gets stuck (and eventually times out) at size131072. The addition ofNCCL_PROTO=SIMPLEresults in ...
等于总GPU数量-xNCCL_SOCKET_NTHREADS=16-mca btl_tcp_if_include bond0-mca pml^ucx-mca btl^openib #指定BTL的value为'^openib'-xNCCL_DEBUG=INFO#NCCL的调试级别为info-xNCCL_IB_GID_INDEX=3-xNCCL_IB_HCA=mlx5_0:1,mlx5_2:1,mlx5_3:1,mlx5_4:1-xNCCL_SOCKET_IFNAME=bond0 #指定了NCCL...
在前期文章中讲解了服务端压力测试的方法及分布式平台搭建，但是对于压力测试结果的分析没有一个系统的思路...