Skip to content

fix ddp for nvfp4 on A100 #2404

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
kylesayrs merged 2 commits into from
Feb 25, 2026
Merged

fix ddp for nvfp4 on A100 #2404

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c3ffcf4
fix ddp for nvfp4 on A100
HDCharles Feb 25, 2026
c227327
Merge branch 'main' into fix_ddp_fp8
HDCharles Feb 25, 2026
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
6 changes: 4 additions & 2 deletions src/llmcompressor/modifiers/quantization/gptq/base.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
from typing import Dict, List, Optional, Tuple, Union

import torch
from compressed_tensors.offload.dist_utils import is_distributed
from compressed_tensors.offload.dist_utils import as_broadcastable, is_distributed
from compressed_tensors.quantization import (
QuantizationConfig,
QuantizationScheme,
Expand Down Expand Up @@ -358,7 +358,9 @@ def _broadcast_quantized_params(self, module_list, module_to_rank):
if getattr(module, attr, None) is not None:
pending_comms.append(
dist.broadcast(
getattr(module, attr), src=src_rank, async_op=True
as_broadcastable(getattr(module, attr)),
src=src_rank,
async_op=True,
)
)
wait_for_comms(pending_comms)
Expand Down
Loading