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-rw-r--r--bitsandbytes/cextension.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/bitsandbytes/cextension.py b/bitsandbytes/cextension.py
new file mode 100644
index 0000000..63d627e
--- /dev/null
+++ b/bitsandbytes/cextension.py
@@ -0,0 +1,13 @@
+import ctypes as ct
+import os
+from warnings import warn
+
+lib = ct.cdll.LoadLibrary(os.path.dirname(__file__) + '/libbitsandbytes.so')
+
+try:
+ lib.cadam32bit_g32
+ COMPILED_WITH_CUDA = True
+except AttributeError:
+ warn("The installed version of bitsandbytes was compiled without GPU support. "
+ "8-bit optimizers and GPU quantization are unavailable.")
+ COMPILED_WITH_CUDA = False