| ```CODE: | |
| import torch | |
| from diffusers import DiffusionPipeline | |
| from diffusers.utils import load_image, export_to_video | |
| # switch to "mps" for apple devices | |
| pipe = DiffusionPipeline.from_pretrained("Lightricks/LTX-Video", dtype=torch.bfloat16, device_map="cuda") | |
| pipe.to("cuda") | |
| prompt = "A man with short gray hair plays a red electric guitar." | |
| image = load_image( | |
| "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/diffusers/guitar-man.png" | |
| ) | |
| output = pipe(image=image, prompt=prompt).frames[0] | |
| export_to_video(output, "output.mp4") | |
| ``` | |
| ERROR: | |
| Traceback (most recent call last): | |
| File "/tmp/Lightricks_LTX-Video_0PrdE45.py", line 28, in <module> | |
| pipe = DiffusionPipeline.from_pretrained("Lightricks/LTX-Video", dtype=torch.bfloat16, device_map="cuda") | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/huggingface_hub/utils/_validators.py", line 114, in _inner_fn | |
| return fn(*args, **kwargs) | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/diffusers/pipelines/pipeline_utils.py", line 1025, in from_pretrained | |
| loaded_sub_model = load_sub_model( | |
| library_name=library_name, | |
| ...<21 lines>... | |
| quantization_config=quantization_config, | |
| ) | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/diffusers/pipelines/pipeline_loading_utils.py", line 860, in load_sub_model | |
| loaded_sub_model = load_method(os.path.join(cached_folder, name), **loading_kwargs) | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/huggingface_hub/utils/_validators.py", line 114, in _inner_fn | |
| return fn(*args, **kwargs) | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/diffusers/models/modeling_utils.py", line 1288, in from_pretrained | |
| ) = cls._load_pretrained_model( | |
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^ | |
| model, | |
| ^^^^^^ | |
| ...<13 lines>... | |
| is_parallel_loading_enabled=is_parallel_loading_enabled, | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| ) | |
| ^ | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/diffusers/models/modeling_utils.py", line 1537, in _load_pretrained_model | |
| _caching_allocator_warmup(model, expanded_device_map, dtype, hf_quantizer) | |
| ~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| File "/tmp/.cache/uv/environments-v2/cb88948adb0dfc46/lib/python3.13/site-packages/diffusers/models/model_loading_utils.py", line 754, in _caching_allocator_warmup | |
| _ = torch.empty(warmup_elems, dtype=dtype, device=device, requires_grad=False) | |
| torch.OutOfMemoryError: CUDA out of memory. Tried to allocate 3.58 GiB. GPU 0 has a total capacity of 22.03 GiB of which 2.49 GiB is free. Including non-PyTorch memory, this process has 19.53 GiB memory in use. Of the allocated memory 19.33 GiB is allocated by PyTorch, and 27.19 MiB is reserved by PyTorch but unallocated. If reserved but unallocated memory is large try setting PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True to avoid fragmentation. See documentation for Memory Management (https://pytorch.org/docs/stable/notes/cuda.html#environment-variables) | |