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-rw-r--r--bitsandbytes/optim/__init__.py20
1 files changed, 12 insertions, 8 deletions
diff --git a/bitsandbytes/optim/__init__.py b/bitsandbytes/optim/__init__.py
index 5e73414..e833ecc 100644
--- a/bitsandbytes/optim/__init__.py
+++ b/bitsandbytes/optim/__init__.py
@@ -2,11 +2,15 @@
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
-from .adam import Adam, Adam8bit, Adam32bit
-from .adamw import AdamW, AdamW8bit, AdamW32bit
-from .sgd import SGD, SGD8bit, SGD32bit
-from .lars import LARS, LARS8bit, LARS32bit, PytorchLARS
-from .lamb import LAMB, LAMB8bit, LAMB32bit
-from .rmsprop import RMSprop, RMSprop8bit, RMSprop32bit
-from .adagrad import Adagrad, Adagrad8bit, Adagrad32bit
-from .optimizer import GlobalOptimManager
+
+from bitsandbytes.cextension import COMPILED_WITH_CUDA
+
+if COMPILED_WITH_CUDA:
+ from .adam import Adam, Adam8bit, Adam32bit
+ from .adamw import AdamW, AdamW8bit, AdamW32bit
+ from .sgd import SGD, SGD8bit, SGD32bit
+ from .lars import LARS, LARS8bit, LARS32bit, PytorchLARS
+ from .lamb import LAMB, LAMB8bit, LAMB32bit
+ from .rmsprop import RMSprop, RMSprop8bit, RMSprop32bit
+ from .adagrad import Adagrad, Adagrad8bit, Adagrad32bit
+ from .optimizer import GlobalOptimManager