NCCL INFO Bootstrap : Using eth0:10.168.7.19<0> 解释:Bootstrap 是NCCL的一个引导逻辑程序,这里它选用eth0 设备(IP为10.168.7.19)来完成初始化信息交互,比如多个机器之间相互的网络、设备、端口、配置等信息。 NCCL INFO NET/Plugin : No plugin found (libnccl-net.so), using internal implementation 解释...
&info.extAddressListen));// 获取监听套接字的地址// 创建另一个监听套接字,允许根节点联系当前节点NCCLCHECK(ncclSocketInit(&listenSockRoot,&bootstrapNetIfAddr,comm->magic,ncclSocketTypeBootstrap,comm->abortFlag));// 初始化监听套接字NCCLCHECK(ncclSocket...
static void *bootstrapRoot(void* listenComm) { struct extInfo info; ncclNetHandle_t *rankHandles = NULL; ncclNetHandle_t *rankHandlesRoot = NULL; // for initial rank <-> root information exchange ncclNetHandle_t zero = { 0 }; // for sanity checking void* tmpComm; ncclResult...
NCCLCHECK(PtrCheck(out,"GetUniqueId","out"));///2、调用bootstrapGetUniqueId函数来获取一个唯一的ID,并将这个ID存储在传入的out指针所指向的内存位置。ncclResult_tres=bootstrapGetUniqueId((structncclBootstrapHandle*)out);// TRACE_CALL是一个用于日志记录或跟踪的宏。TRACE_CALL("ncclGetUniqueId(0x%...
INFO(NCCL_INIT,"comm %p rank %d nranks %d cudaDev %d busId %x - Init COMPLETE", *newcomm, myrank, nranks, (*newcomm)->cudaDev, (*newcomm)->busId); return ncclSuccess; cleanup: if ((*newcomm) && (*newcomm)->bootstrap) bootstrapAbort((*newcomm)->bootstrap); ...
NCCL INFO Bootstrap : Using eno2:10.112.205.39<0> nccl4:1390395:1390395 [0] NCCL INFO NET...
然后通过bootstrapNetCloseSend关闭fd。 rank0收到数据后会做什么工作呢,回顾一下,rank0的节执行ncclGetUniqueId生成ncclUniqueId,其中在执行bootstrapCreateRoot的最后会启动一个线程执行bootstrapRoot。 staticvoid*bootstrapRoot(void* listenComm) {structextInfo info;ncclNetHandle_t *rankHandles =NULL;ncclNetHan...
rank0节点执行ncclGetUniqueId生成ncclUniqueId,通过mpi将Id广播到所有节点,然后所有节点都会执行ncclCommInitRank,这里其他节点也会进行初始化bootstrap...
训练作业的状态运行失败,查看训练作业的日志,存在NCCL的报错,例如NCCL timeout、RuntimeError: NCCL communicator was aborted on rank 7、NCCL WARN Bootstrap : no socket interface found或NCCL INFO Call to con
bm-2204qhn:253837:253837 [*] NCCL INFO NCCL_SOCKET_IFNAME set by environment to bond0 bm-2204qhn:253837:253837 [*] NCCL INFO Bootstrap : Using bond0:172.17.0.81<0> bm-2204qhn:253837:253837 [*] NCCL INFO NCCL version 2.22.3+cuda12.6 ...