train error

[jiyuwangbupt]

Traceback (most recent call last):
File "main.py", line 132, in
launch(
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/engine/launch.py", line 87, in launch
main_func(*args)
File "main.py", line 126, in main
do_train(args, cfg)
File "main.py", line 78, in do_train
train_loader = instantiate(cfg.dataloader.train)
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/config/instantiate.py", line 67, in instantiate
cfg = {k: instantiate(v) for k, v in cfg.items()}
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/config/instantiate.py", line 67, in
cfg = {k: instantiate(v) for k, v in cfg.items()}
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/config/instantiate.py", line 83, in instantiate
return cls(**cfg)
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/utils/data/distributed.py", line 68, in init
num_replicas = dist.get_world_size()
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 1181, in get_world_size
return _get_group_size(group)
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 566, in _get_group_size
default_pg = _get_default_group()
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 697, in _get_default_group
raise RuntimeError(
RuntimeError: Default process group has not been initialized, please make sure to call init_process_group.

[jiyuwangbupt]

(ViTMatte) jyw@rtx6000:~/vitmatte/ViTMatte$ python main.py --config-file configs/ViTMatte_S_100ep.py --num-gpus 1
args Namespace(config_file='configs/ViTMatte_S_100ep.py', dist_url='tcp://127.0.0.1:50166', eval_only=False, machine_rank=0, num_gpus=1, num_machines=1, opts=[], resume=False)
num_gpus_per_machine 1
num_machines 1
使用单进程模式
[11/11 19:26:30 detectron2]: Rank of current process: 0. World size: 1
[11/11 19:26:30 detectron2]: Environment info:

---

sys.platform linux
Python 3.8.8 (default, Apr 13 2021, 19:58:26) [GCC 7.3.0]
numpy 1.24.4
detectron2 0.6 @/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2
Compiler GCC 11.4
CUDA compiler CUDA 11.7
detectron2 arch flags 8.6
DETECTRON2_ENV_MODULE
PyTorch 2.0.0+cu117 @/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch
PyTorch debug build False
torch._C._GLIBCXX_USE_CXX11_ABI False
GPU available Yes
GPU 0 NVIDIA RTX 6000 Ada Generation (arch=8.9)
Driver version 535.183.01
CUDA_HOME /usr
Pillow 10.4.0
torchvision 0.15.1+cu117 @/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torchvision
torchvision arch flags 3.5, 5.0, 6.0, 7.0, 7.5, 8.0, 8.6
fvcore 0.1.5.post20221221
iopath 0.1.9
cv2 4.5.3

---

PyTorch built with:

• GCC 9.3
• C++ Version: 201703
• Intel(R) oneAPI Math Kernel Library Version 2022.2-Product Build 20220804 for Intel(R) 64 architecture applications
• Intel(R) MKL-DNN v2.7.3 (Git Hash 6dbeffbae1f23cbbeae17adb7b5b13f1f37c080e)
• OpenMP 201511 (a.k.a. OpenMP 4.5)
• LAPACK is enabled (usually provided by MKL)
• NNPACK is enabled
• CPU capability usage: AVX2
• CUDA Runtime 11.7
• NVCC architecture flags: -gencode;arch=compute_37,code=sm_37;-gencode;arch=compute_50,code=sm_50;-gencode;arch=compute_60,code=sm_60;-gencode;arch=compute_70,code=sm_70;-gencode;arch=compute_75,code=sm_75;-gencode;arch=compute_80,code=sm_80;-gencode;arch=compute_86,code=sm_86
• CuDNN 8.5
• Magma 2.6.1
• Build settings: BLAS_INFO=mkl, BUILD_TYPE=Release, CUDA_VERSION=11.7, CUDNN_VERSION=8.5.0, CXX_COMPILER=/opt/rh/devtoolset-9/root/usr/bin/c++, CXX_FLAGS= -D_GLIBCXX_USE_CXX11_ABI=0 -fabi-version=11 -Wno-deprecated -fvisibility-inlines-hidden -DUSE_PTHREADPOOL -DNDEBUG -DUSE_KINETO -DLIBKINETO_NOROCTRACER -DUSE_FBGEMM -DUSE_QNNPACK -DUSE_PYTORCH_QNNPACK -DUSE_XNNPACK -DSYMBOLICATE_MOBILE_DEBUG_HANDLE -O2 -fPIC -Wall -Wextra -Werror=return-type -Werror=non-virtual-dtor -Werror=bool-operation -Wnarrowing -Wno-missing-field-initializers -Wno-type-limits -Wno-array-bounds -Wno-unknown-pragmas -Wunused-local-typedefs -Wno-unused-parameter -Wno-unused-function -Wno-unused-result -Wno-strict-overflow -Wno-strict-aliasing -Wno-error=deprecated-declarations -Wno-stringop-overflow -Wno-psabi -Wno-error=pedantic -Wno-error=redundant-decls -Wno-error=old-style-cast -fdiagnostics-color=always -faligned-new -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-math-errno -fno-trapping-math -Werror=format -Werror=cast-function-type -Wno-stringop-overflow, LAPACK_INFO=mkl, PERF_WITH_AVX=1, PERF_WITH_AVX2=1, PERF_WITH_AVX512=1, TORCH_DISABLE_GPU_ASSERTS=ON, TORCH_VERSION=2.0.0, 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=1, USE_NNPACK=ON, USE_OPENMP=ON, USE_ROCM=OFF,

[11/11 19:26:30 detectron2]: Command line arguments: Namespace(config_file='configs/ViTMatte_S_100ep.py', dist_url='tcp://127.0.0.1:50166', eval_only=False, machine_rank=0, num_gpus=1, num_machines=1, opts=[], resume=False)
[11/11 19:26:30 detectron2]: Contents of args.config_file=configs/ViTMatte_S_100ep.py:
from .common.train import train
from .common.model import model
from .common.optimizer import optimizer
from .common.scheduler import lr_multiplier
from .common.dataloader import dataloader

train.max_iter = int(43100 / 16 / 2 * 100)
train.checkpointer.period = int(43100 / 16 / 2 * 10)

optimizer.lr=5e-4
lr_multiplier.scheduler.values=[1.0, 0.1, 0.05]
lr_multiplier.scheduler.milestones=[int(43100 / 16 / 2 * 30), int(43100 / 16 / 2 * 90)]
lr_multiplier.scheduler.num_updates = train.max_iter
lr_multiplier.warmup_length = 250 / train.max_iter

train.init_checkpoint = './pretrained/dino_vit_s_fna.pth'
train.output_dir = './output_of_train/ViTMatte_S_100ep'

dataloader.train.batch_size=16
dataloader.train.num_workers=2

WARNING [11/11 19:26:33 d2.config.lazy]: The config contains objects that cannot serialize to a valid yaml. ./output_of_train/ViTMatte_S_100ep/config.yaml is human-readable but cannot be loaded.
WARNING [11/11 19:26:33 d2.config.lazy]: Config is saved using cloudpickle at ./output_of_train/ViTMatte_S_100ep/config.yaml.pkl.
[11/11 19:26:33 detectron2]: Full config saved to ./output_of_train/ViTMatte_S_100ep/config.yaml
[11/11 19:26:33 d2.utils.env]: Using a generated random seed 33626290
[11/11 19:26:33 detectron2]: Model: