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Add support for M1/M2 mac in PytorchModelHandlerTensor #29999
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Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -91,6 +91,12 @@ def _load_model( | |
"Model handler specified a 'GPU' device, but GPUs are not available. " | ||
"Switching to CPU.") | ||
device = torch.device('cpu') | ||
if device == torch.device('mps') and not (torch.backend.mps.is_available() and | ||
torch.backend.mps.is_built()): | ||
logging.warning( | ||
"Model handler specified a 'MPS' device, but it is not available. " | ||
"Switching to CPU.") | ||
device = torch.device('cpu') | ||
|
||
try: | ||
logging.info( | ||
|
@@ -216,8 +222,9 @@ def __init__( | |
model_params: A dictionary of arguments required to instantiate the model | ||
class. | ||
device: the device on which you wish to run the model. If | ||
``device = GPU`` then a GPU device will be used if it is available. | ||
Otherwise, it will be CPU. | ||
``device = GPU`` then a cuda device will be used if it is available. | ||
If ``device = MPS`` then a mps device will be used if it is available. | ||
Otherwise, it will be cpu. | ||
inference_fn: the inference function to use during RunInference. | ||
default=_default_tensor_inference_fn | ||
torch_script_model_path: Path to the torch script model. | ||
|
@@ -243,9 +250,12 @@ def __init__( | |
with PyTorch 1.9 and 1.10. | ||
""" | ||
self._state_dict_path = state_dict_path | ||
if device == 'GPU': | ||
if device in ['gpu', 'GPU', 'cuda', 'CUDA']: | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Hey, sorry for the slow review - this looks mostly good. The only thing I'd ask is that if we go case-insensitive we do it all the way (so |
||
logging.info("Device is set to CUDA") | ||
self._device = torch.device('cuda') | ||
elif device in ['mps', 'MPS']: | ||
logging.info("Device is set to mps") | ||
self._device = torch.device('mps') | ||
else: | ||
logging.info("Device is set to CPU") | ||
self._device = torch.device('cpu') | ||
|
@@ -454,8 +464,9 @@ def __init__( | |
model_params: A dictionary of arguments required to instantiate the model | ||
class. | ||
device: the device on which you wish to run the model. If | ||
``device = GPU`` then a GPU device will be used if it is available. | ||
Otherwise, it will be CPU. | ||
``device = GPU`` then a cuda device will be used if it is available. | ||
If ``device = MPS`` then a mps device will be used if it is available. | ||
Otherwise, it will be cpu. | ||
inference_fn: the function to invoke on run_inference. | ||
default = default_keyed_tensor_inference_fn | ||
torch_script_model_path: Path to the torch script model. | ||
|
@@ -481,9 +492,12 @@ def __init__( | |
on torch>=1.9.0,<1.14.0. | ||
""" | ||
self._state_dict_path = state_dict_path | ||
if device == 'GPU': | ||
if device in ['gpu', 'GPU', 'cuda', 'CUDA']: | ||
logging.info("Device is set to CUDA") | ||
self._device = torch.device('cuda') | ||
elif device in ['mps', 'MPS']: | ||
logging.info("Device is set to mps") | ||
self._device = torch.device('mps') | ||
else: | ||
logging.info("Device is set to CPU") | ||
self._device = torch.device('cpu') | ||
|
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Ah, it also looks like
torch.device('mps')
causes older versions of pytorch to throw. To maintain compat with older versions, could we wrap this in a try except? It should be fine to silently swallow the exception since we'll throw below if someone tries to set the device to mps and the pytorch version doesn't support it.This is why the test checks are failing