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Setting MPS flag check for bf16 training issue #40216

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Setting MPS flag check for bf16 training issue #40216

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e70ba27
setting MPS flag check for bf16 traning issue
debasisdwivedy Aug 16, 2025
46fbe3c
fixing formatting error
debasisdwivedy Aug 22, 2025
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6 changes: 5 additions & 1 deletion src/transformers/training_args.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1721,7 +1721,11 @@ def __post_init__(self):
# cpu
raise ValueError("Your setup doesn't support bf16/(cpu, tpu, neuroncore). You need torch>=1.10")
elif not self.use_cpu:
if not is_torch_bf16_gpu_available() and not is_torch_xla_available(): # added for tpu support
if (
not is_torch_bf16_gpu_available()
and not is_torch_xla_available()
and not is_torch_mps_available()
): # added for tpu support
error_message = "Your setup doesn't support bf16/gpu."
if is_torch_cuda_available():
error_message += " You need Ampere+ GPU with cuda>=11.0"
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