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Revert "Apply correct inference precision implementation"

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This reverts commit e00365962b.
This commit is contained in:
Kohaku-Blueleaf 2024-01-09 23:15:05 +08:00
parent e00365962b
commit 1fd69655fe
1 changed files with 9 additions and 33 deletions
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42
modules/devices.py
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@ -132,21 +132,6 @@ patch_module_list = [
]
def cast_output(result):
if isinstance(result, tuple):
result = tuple(i.to(dtype_inference) if isinstance(i, torch.Tensor) else i for i in result)
elif isinstance(result, torch.Tensor):
result = result.to(dtype_inference)
return result
def autocast_with_cast_output(self, *args, **kwargs):
result = self.org_forward(*args, **kwargs)
if dtype_inference != dtype:
result = cast_output(result)
return result
def manual_cast_forward(target_dtype):
def forward_wrapper(self, *args, **kwargs):
if any(
@ -164,7 +149,15 @@ def manual_cast_forward(target_dtype):
self.to(org_dtype)
if target_dtype != dtype_inference:
result = cast_output(result)
if isinstance(result, tuple):
result = tuple(
i.to(dtype_inference)
if isinstance(i, torch.Tensor)
else i
for i in result
)
elif isinstance(result, torch.Tensor):
result = result.to(dtype_inference)
return result
return forward_wrapper
@ -185,20 +178,6 @@ def manual_cast(target_dtype):
module_type.forward = module_type.org_forward
@contextlib.contextmanager
def precision_full_with_autocast(autocast_ctx):
for module_type in patch_module_list:
org_forward = module_type.forward
module_type.forward = autocast_with_cast_output
module_type.org_forward = org_forward
try:
with autocast_ctx:
yield None
finally:
for module_type in patch_module_list:
module_type.forward = module_type.org_forward
def autocast(disable=False):
if disable:
return contextlib.nullcontext()
@ -212,9 +191,6 @@ def autocast(disable=False):
if has_xpu() or has_mps() or cuda_no_autocast():
return manual_cast(dtype_inference)
if dtype_inference == torch.float32 and dtype != torch.float32:
return precision_full_with_autocast(torch.autocast("cuda"))
return torch.autocast("cuda")