From a6664de0720c7d8572a475a9c59f7dd85b5f83b0 Mon Sep 17 00:00:00 2001 From: Tim Dettmers Date: Tue, 16 Aug 2022 19:03:19 -0700 Subject: Enhanced error handling in CUDA SETUP failures. --- bitsandbytes/cextension.py | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'bitsandbytes/cextension.py') diff --git a/bitsandbytes/cextension.py b/bitsandbytes/cextension.py index e0f280a..af23c8f 100644 --- a/bitsandbytes/cextension.py +++ b/bitsandbytes/cextension.py @@ -17,12 +17,17 @@ class CUDALibrary_Singleton(object): binary_path = package_dir / binary_name if not binary_path.exists(): - print(f"CUDA_SETUP: TODO: compile library for specific version: {binary_name}") + print(f"CUDA SETUP: TODO: compile library for specific version: {binary_name}") legacy_binary_name = "libbitsandbytes.so" - print(f"CUDA_SETUP: Defaulting to {legacy_binary_name}...") - self.lib = ct.cdll.LoadLibrary(package_dir / legacy_binary_name) + print(f"CUDA SETUP: Defaulting to {legacy_binary_name}...") + binary_path = package_dir / legacy_binary_name + if not binary_path.exists(): + print('CUDA SETUP: CUDA detection failed. Either CUDA driver not installed, CUDA not installed, or you have multiple conflicting CUDA libraries!') + print('CUDA SETUP: If you compiled from source, try again with `make CUDA_VERSION=DETECTED_CUDA_VERSION` for example, `make CUDA_VERSION=113`.') + raise Exception('CUDA SETUP: Setup Failed!') + self.lib = ct.cdll.LoadLibrary(binary_path) else: - print(f"CUDA_SETUP: Loading binary {binary_path}...") + print(f"CUDA SETUP: Loading binary {binary_path}...") self.lib = ct.cdll.LoadLibrary(binary_path) @classmethod -- cgit v1.2.3