my-sd/modules_forge/ops.py
2024-01-29 09:32:51 -08:00

63 lines
1.6 KiB
Python

import time
import torch
import contextlib
from ldm_patched.modules import model_management
@contextlib.contextmanager
def use_patched_ops(operations):
op_names = ['Linear', 'Conv2d', 'Conv3d', 'GroupNorm', 'LayerNorm']
backups = {op_name: getattr(torch.nn, op_name) for op_name in op_names}
try:
for op_name in op_names:
setattr(torch.nn, op_name, getattr(operations, op_name))
yield
finally:
for op_name in op_names:
setattr(torch.nn, op_name, backups[op_name])
return
@contextlib.contextmanager
def automatic_memory_management():
model_management.free_memory(
memory_required=3 * 1024 * 1024 * 1024,
device=model_management.get_torch_device()
)
module_list = []
original_init = torch.nn.Module.__init__
original_to = torch.nn.Module.to
def patched_init(self, *args, **kwargs):
module_list.append(self)
return original_init(self, *args, **kwargs)
def patched_to(self, *args, **kwargs):
module_list.append(self)
return original_to(self, *args, **kwargs)
try:
torch.nn.Module.__init__ = patched_init
torch.nn.Module.to = patched_to
yield
finally:
torch.nn.Module.__init__ = original_init
torch.nn.Module.to = original_to
start = time.perf_counter()
module_list = set(module_list)
for module in module_list:
module.cpu()
model_management.soft_empty_cache()
end = time.perf_counter()
print(f'Automatic Memory Management: {len(module_list)} Modules in {(end - start):.2f} seconds.')
return