stable-diffusion-webui/modules/devices.py

34 lines
680 B
Python

import torch
# has_mps is only available in nightly pytorch (for now), `getattr` for compatibility
from modules import errors
has_mps = getattr(torch, 'has_mps', False)
cpu = torch.device("cpu")
def get_optimal_device():
if torch.cuda.is_available():
return torch.device("cuda")
if has_mps:
return torch.device("mps")
return cpu
def torch_gc():
if torch.cuda.is_available():
torch.cuda.empty_cache()
torch.cuda.ipc_collect()
def enable_tf32():
if torch.cuda.is_available():
torch.backends.cuda.matmul.allow_tf32 = True
torch.backends.cudnn.allow_tf32 = True
errors.run(enable_tf32, "Enabling TF32")