Skip to content

Remove warning for cpu_ram_efficient_loading #3816

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
SunMarc merged 2 commits into from
Oct 22, 2025
Merged

Remove warning for cpu_ram_efficient_loading #3816

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
fb3155f
fix cpu ram
SunMarc Oct 21, 2025
cc0c649
style
SunMarc Oct 21, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 3 additions & 11 deletions src/accelerate/utils/dataclasses.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1911,24 +1911,16 @@ def __post_init__(self):
self.cpu_ram_efficient_loading = (
str_to_bool(os.environ.get(env_prefix + "CPU_RAM_EFFICIENT_LOADING", "False")) == 1
)
else:
# We still need to set it for transformers
os.environ[env_prefix + "CPU_RAM_EFFICIENT_LOADING"] = str(self.cpu_ram_efficient_loading)
# There's no need to specify sync_module_states in FSDP2
if self.fsdp_version == 1 and self.cpu_ram_efficient_loading and not self.sync_module_states:
warnings.warn(
"sync_module_states cannot be False since efficient cpu ram loading enabled. "
"Setting sync_module_states to True."
)
self.sync_module_states = True

if self.cpu_ram_efficient_loading != bool(
str_to_bool(os.environ.get(env_prefix + "CPU_RAM_EFFICIENT_LOADING", "False"))
):
env_var = env_prefix + "CPU_RAM_EFFICIENT_LOADING"
warnings.warn(
f"The `cpu_ram_efficient_loading` flag for `FullyShardedDataParallelPlugin` does not match the environment variable {env_var}. "
"Setting environment variable to match `cpu_ram_efficient_loading`."
)
os.environ[env_var] = str(self.cpu_ram_efficient_loading)

if isinstance(self.mixed_precision_policy, str):
# override is True since self.mixed_precision_policy is not None
# has to be overwritten with the correct mixed precision object
Expand Down
Loading