| import sys | |
| import traceback | |
| import torch | |
| from bitsandbytes.consts import PACKAGE_GITHUB_URL | |
| from bitsandbytes.cuda_specs import get_cuda_specs | |
| from bitsandbytes.diagnostics.cuda import ( | |
| print_cuda_diagnostics, | |
| print_cuda_runtime_diagnostics, | |
| ) | |
| from bitsandbytes.diagnostics.utils import print_dedented, print_header | |
| def sanity_check(): | |
| from bitsandbytes.cextension import lib | |
| if lib is None: | |
| print_dedented( | |
| """ | |
| Couldn't load the bitsandbytes library, likely due to missing binaries. | |
| Please ensure bitsandbytes is properly installed. | |
| For source installations, compile the binaries with `cmake -DCOMPUTE_BACKEND=cuda -S .`. | |
| See the documentation for more details if needed. | |
| Trying a simple check anyway, but this will likely fail... | |
| """, | |
| ) | |
| from bitsandbytes.optim import Adam | |
| p = torch.nn.Parameter(torch.rand(10, 10).cuda()) | |
| a = torch.rand(10, 10).cuda() | |
| p1 = p.data.sum().item() | |
| adam = Adam([p]) | |
| out = a * p | |
| loss = out.sum() | |
| loss.backward() | |
| adam.step() | |
| p2 = p.data.sum().item() | |
| assert p1 != p2 | |
| def main(): | |
| print_header("") | |
| print_header("BUG REPORT INFORMATION") | |
| print_header("") | |
| print_header("OTHER") | |
| cuda_specs = get_cuda_specs() | |
| print("CUDA specs:", cuda_specs) | |
| if not torch.cuda.is_available(): | |
| print("Torch says CUDA is not available. Possible reasons:") | |
| print("1. CUDA driver not installed") | |
| print("2. CUDA not installed") | |
| print("3. You have multiple conflicting CUDA libraries") | |
| if cuda_specs: | |
| print_cuda_diagnostics(cuda_specs) | |
| print_cuda_runtime_diagnostics() | |
| print_header("") | |
| print_header("DEBUG INFO END") | |
| print_header("") | |
| print("Checking that the library is importable and CUDA is callable...") | |
| try: | |
| sanity_check() | |
| print("SUCCESS!") | |
| print("Installation was successful!") | |
| return | |
| except ImportError: | |
| print( | |
| f"WARNING: {__package__} is currently running as CPU-only!\n" | |
| "Therefore, 8-bit optimizers and GPU quantization are unavailable.\n\n" | |
| f"If you think that this is so erroneously,\nplease report an issue!", | |
| ) | |
| except Exception: | |
| traceback.print_exc() | |
| print_dedented( | |
| f""" | |
| Above we output some debug information. | |
| Please provide this info when creating an issue via {PACKAGE_GITHUB_URL}/issues/new/choose | |
| WARNING: Please be sure to sanitize sensitive info from the output before posting it. | |
| """, | |
| ) | |
| sys.exit(1) | |