NV#= Connection traversing a bonded set of # NVLinks 还可以查询NVLink连接本身,以确保状态,功能和运行状况。 鼓励读者查阅NVIDIA文档,以更好地了解细节。 DGX-1上nvidia-smi的简短摘要如下所示。 nvidia-smi nvlink --status GPU0: Tesla V100-SXM2-32GB Link0:25.781GB/s Link1:25.781GB/s Link2:25.7...
NV#= Connection traversing a bonded set of # NVLinks 还可以查询NVLink连接本身,以确保状态,功能和运行状况。 鼓励读者查阅NVIDIA文档,以更好地了解细节。 DGX-1上nvidia-smi的简短摘要如下所示。 nvidia-smi nvlink --status GPU0: Tesla V100-SXM2-32GB Link0:25.781GB/s Link1:25.781GB/s Link2:25.7...
GPU6 SYS SYS NV1 SYS NV1 NV2 Self NV2 GPU7 SYS SYS SYS NV1 NV2 NV1 NV2 Self 同样的道理,上述序号0不受CUDA_VISIBLE_DEVICES环境变量的影响。 GPU之间的连通性非常影响GPU直接通信的效率。有一个函数nvmlReturn_t nvmlDeviceGetP2PStatus ( nvmlDevice_t device1, nvmlDevice_t device2, nvmlG...
pmon Displays process statsinscrolling format."nvidia-smi pmon -h"formoreinformation. NVLINK: nvlink Displays device nvlink information."nvidia-smi nvlink -h"formoreinformation. C2C: c2c Displays device C2C information."nvidia-smi c2c -h"formoreinformation. CLOCKS: clocks Control and query clock i...
GPU之间的连通性非常影响GPU直接通信的效率。有一个函数nvmlReturn_t nvmlDeviceGetP2PStatus ( nvmlDevice_t device1, nvmlDevice_t device2, nvmlGpuP2PCapsIndex_t p2pIndex, nvmlGpuP2PStatus_t* p2pStatus )可以查询两个设备之间的直接通信效率，其中：从这个结果来看，基本上有NVLink连接的GPU之间...
$ nvidia-smi nvlink --status Query Details of GPU Cards $ nvidia-smi -i 0 -q January 14, 2022 nvidia-smi – failed to initialize nvml: insufficient permissions The Error Encountered If you are a non-root user and you issue a command, you might see the error ...
X = Self OK = Status Ok CNS = Chipset not supported GNS = GPU not supported TNS = Topology not supported NS = Not supported U = Unknown 如果是NS或OK以外的值,需要看硬件是否支持NVLink,否则应该支持。重新插拔一下NVLink,然后重启。
NVLink Status root@server:~# nvidia-smi nvlink --status GPU 0: NVIDIA A100 80GB PCIe (UUID: GPU-84ccface-663f-f5fd-8e8e-109d0f78bd2f) Link 0: <inactive> Link 1: <inactive> Link 2: <inactive> Link 3: <inactive> ...
查看dmesg log如下: [188497.595099] NVRM: No NVIDIA graphics adapter probed! [188497.595838] nvidia-nvlink: Unregistered the Nvlink Core, major device number 239 [188549.975172] nvidia-nvlink: Nvlink Core is being initialized, major device n...
$ dkms status nvidia, 465.27, 5.8.0-43-generic, x86_64: installed nvidia, 465.27, 5.8.0-53-generic, x86_64: installed $ dmesg [ 1272.612381] NVRM: None of the NVIDIA devices were initialized. [ 1272.612824] nvidia-nvlink: Unregistered the Nvlink Core...