NCCL_DEBUG=INFO should also tell you that. In terms of the number of GPUs supported, I am not aware of the limitation of only supporting up to 8 GPUs when NVSwitch/NVLinks are not present, at least in recent versions of NCCL. Previously there was indeed error like "peer mapping ...
IB_GID_INDEX=3 export NCCL_SOCKET_IFNAME=eth export NCCL_DEBUG=INFO export NCCL_IB_HCA=mlx5 export NCCL_IB_TIMEOUT=22 export NCCL_IB_QPS_PER_CONNECTION=8 export NCCL_NET_PLUGIN=none ml.gu8xf.8xlarge-gu108 export NCCL_IB_TC... 模型导出 模型导出组件实现EasyRec模型导出(export)功能。
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(nonzero,), self._out_spec) # To see more debug info, please use `graph_module.print_readable()` E1112 16:59:49.656000 784 torch/_subclasses/fake_tensor.py:2017] [2/0] failed while attempting to run meta for aten.sym_constrain_range_for_size.default E1112 16:59:49.656000 784 ...
[conda] nvidia-nccl-cu12 2.20.5 pypi_0 pypi [conda] nvidia-nvjitlink-cu12 12.5.82 pypi_0 pypi [conda] nvidia-nvtx-cu12 12.1.105 pypi_0 pypi [conda] torch 2.3.0a0+git63d5e92 dev_0 [conda] triton 2.3.1 pypi_0 pypi (compiled_torch) cc @ptrblck @msaroufim @albanD @ezyang...
=1, TORCH_VERSION=1.9.0, USE_CUDA=0, USE_CUDNN=OFF, USE_EXCEPTION_PTR=1, USE_GFLAGS=OFF, USE_GLOG=OFF, USE_MKL=ON, USE_MKLDNN=ON, USE_MPI=OFF, USE_NCCL=OFF, USE_NNPACK=ON, USE_OPENMP=ON,
MOBILE_DEBUG_HANDLE -DEDGE_PROFILER_USE_KINETO, LAPACK_INFO=mkl, PERF_WITH_AVX=1, PERF_WITH_AVX2=1, PERF_WITH_AVX512=1, TORCH_VERSION=1.13.1, USE_CUDA=ON, USE_CUDNN=ON, USE_EXCEPTION_PTR=1, USE_GFLAGS=OFF, USE_GLOG=OFF, USE_MKL=ON, USE_MKLDNN=ON, USE_MPI=OFF, USE_NCCL=...
We integrate acceleration libraries such as Intel MKL and NVIDIA (cuDNN, NCCL) to maximize speed. At the core, its CPU and GPU Tensor and neural network backends are mature and have been tested for years. Hence, PyTorch is quite fast — whether you run small or large neural networks. ...
PyTorch has minimal framework overhead. We integrate acceleration libraries such asIntel MKLand NVIDIA (cuDNN,NCCL) to maximize speed. At the core, its CPU and GPU Tensor and neural network backends are mature and have been tested for years. ...
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