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fix: use module attributes to check if cuda is available. #13731

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fix: use module attributes to check if cuda is available. #13731

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4 changes: 3 additions & 1 deletion cuda_malloc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ def cuda_malloc_supported():


version = ""
cuda_available = False

try:
torch_spec = importlib.util.find_spec("torch")
Expand All @@ -74,12 +75,13 @@ def cuda_malloc_supported():
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
version = module.__version__
cuda_available = module.cuda != None
except:
pass

if not args.cuda_malloc:
try:
if int(version[0]) >= 2 and "+cu" in version: # enable by default for torch version 2.0 and up only on cuda torch
if int(version[0]) >= 2 and cuda_available: # enable by default for torch version 2.0 and up only on cuda torch
if PerformanceFeature.AutoTune not in args.fast: # Autotune has issues with cuda malloc
args.cuda_malloc = cuda_malloc_supported()
except:
Expand Down