97 lines
3.1 KiB
Python
Executable File
97 lines
3.1 KiB
Python
Executable File
import torch
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import psutil
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import importlib
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DEVICE_OVERRIDE = None
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def has_dml():
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loader = importlib.find_loader('torch_directml')
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if loader is None:
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return False
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import torch_directml
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return torch_directml.is_available()
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def set_device_name(name):
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global DEVICE_OVERRIDE
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DEVICE_OVERRIDE = name
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def get_device_name():
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global DEVICE_OVERRIDE
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if DEVICE_OVERRIDE is not None and DEVICE_OVERRIDE != "":
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return DEVICE_OVERRIDE
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name = 'cpu'
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if torch.cuda.is_available():
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name = 'cuda'
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elif has_dml():
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name = 'dml'
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return name
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def get_device(verbose=False):
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name = get_device_name()
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if verbose:
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if name == 'cpu':
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print("No hardware acceleration is available, falling back to CPU...")
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else:
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print(f"Hardware acceleration found: {name}")
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if name == "dml":
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import torch_directml
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return torch_directml.device()
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return torch.device(name)
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def get_device_batch_size():
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available = 1
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name = get_device_name()
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if name == "dml":
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# there's nothing publically accessible in the DML API that exposes this
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# there's a method to get currently used RAM statistics... as tiles
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available = 1
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elif name == "cuda":
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_, available = torch.cuda.mem_get_info()
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elif name == "cpu":
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available = psutil.virtual_memory()[4]
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availableGb = available / (1024 ** 3)
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if availableGb > 14:
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return 16
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elif availableGb > 10:
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return 8
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elif availableGb > 7:
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return 4
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return 1
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def get_device_count(name=get_device_name()):
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if name == "cuda":
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return torch.cuda.device_count()
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if name == "dml":
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import torch_directml
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return torch_directml.device_count()
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return 1
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if has_dml():
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_cumsum = torch.cumsum
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_repeat_interleave = torch.repeat_interleave
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_multinomial = torch.multinomial
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_Tensor_new = torch.Tensor.new
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_Tensor_cumsum = torch.Tensor.cumsum
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_Tensor_repeat_interleave = torch.Tensor.repeat_interleave
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_Tensor_multinomial = torch.Tensor.multinomial
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torch.cumsum = lambda input, *args, **kwargs: ( _cumsum(input.to("cpu"), *args, **kwargs).to(input.device) )
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torch.repeat_interleave = lambda input, *args, **kwargs: ( _repeat_interleave(input.to("cpu"), *args, **kwargs).to(input.device) )
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torch.multinomial = lambda input, *args, **kwargs: ( _multinomial(input.to("cpu"), *args, **kwargs).to(input.device) )
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torch.Tensor.new = lambda self, *args, **kwargs: ( _Tensor_new(self.to("cpu"), *args, **kwargs).to(self.device) )
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torch.Tensor.cumsum = lambda self, *args, **kwargs: ( _Tensor_cumsum(self.to("cpu"), *args, **kwargs).to(self.device) )
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torch.Tensor.repeat_interleave = lambda self, *args, **kwargs: ( _Tensor_repeat_interleave(self.to("cpu"), *args, **kwargs).to(self.device) )
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torch.Tensor.multinomial = lambda self, *args, **kwargs: ( _Tensor_multinomial(self.to("cpu"), *args, **kwargs).to(self.device) ) |