我们首先要修改 ddp_setup 函数：defddp_setup(local_rank,world_size_per_node,node_rank):os.enviro...
device(f'cuda:{args.local_rank}') model = nn.Linear(2,3).to(device) # train dataset # train_sampler # train_loader my_trainset = torchvision.datasets.CIFAR10(root='./data', train=True) # 新增1:使用DistributedSampler,DDP帮我们把细节都封装起来了。用,就完事儿! # sampler的原理,后面也...
parser.add_argument('--cache',type=str, nargs='?', const='ram',help='--cache images in "ram" (default) or "disk"') parser.add_argument('--image-weights', action='store_true',help='use weighted image selection for training') parser.add_argument('--device', default='',help='cuda...
备注:我在使用kaggle训练模型时出现了如下问题(出现此问题时没有截图,因此在网上找了一张相同问题的图),看白色框内的描述。 解决方法:将loss.py中gain = torch.ones(7, device=targets.device)改为gain = torch.ones(7, device=targets.device).long()即可。原因是新版本的torch无法自动执行此转换,旧版本torch...
parser.add_argument('--image-weights', action='store_true', help='use weighted image selection for training') parser.add_argument('--device', default='', help='cuda device, i.e. 0 or 0,1,2,3 or cpu') parser.add_argument('--multi-scale', action='store_true', help='vary img-...
🐛 Bug Possible root cause for #45435. CC @walterddr Thanks to @jaglinux for the following triage information. For barrier call, all reduce uses tensor of device type cuda with the following formula: int16_t deviceIdx = static_cast<int16_...
DISABLED test_strided_inputs_dynamic_shapes_cuda (__main__.DynamicShapesGPUTests) #145044 opened Jan 17, 2025 Bug when using reparameterized model evaluating with DDP #145043 opened Jan 17, 2025 TorchDispatchMode cann't capture the operator which name is aten:...
parser.add_argument('--image-weights', action='store_true', help='use weighted image selection for training') parser.add_argument('--device', default='', help='cuda device, i.e. 0 or 0,1,2,3 or cpu') parser.add_argument('--multi-scale', action='store_true', help='vary img-...
NVIDIA DDP w/ a single GPU per process, multiple processes with APEX present (AMP mixed-precision optional) PyTorch DistributedDataParallel w/ multi-gpu, single process (AMP disabled as it crashes when enabled) PyTorch w/ single GPU single process (AMP optional) A dynamic global pool implementati...
Fixed logger creating directory structure too early in DDP (#6380) Fixed DeepSpeed additional memory use on rank 0 when default device not set early enough (#6460) Fixed an issue with Tuner.scale_batch_size not finding the batch size attribute in the datamodule (#5968) Fixed an exception in...