| 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) |
|
|
