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[dist][moe] fix add moe_context for big models #2405

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Merged
kylesayrs merged 2 commits into from
Feb 25, 2026
Merged

[dist][moe] fix add moe_context for big models #2405

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6507355
[ddp][moe] fix add moe_context for big models
HDCharles Feb 25, 2026
14276bb
Merge branch 'main' into big_model_ddp_fix
HDCharles Feb 25, 2026
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4 changes: 4 additions & 0 deletions src/llmcompressor/modeling/moe_context.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
from abc import ABC

import torch
import torch.distributed as dist
from compressed_tensors.offload import is_distributed
from compressed_tensors.registry import RegistryMixin, standardize_lookup_name
from loguru import logger
from tqdm import tqdm
Expand Down Expand Up @@ -111,6 +113,8 @@ def moe_calibration_context(
)
model.set_submodule(name, replacement)
replaced[name] = (module, replacement)
if is_distributed():
dist.barrier()

# Log what was replaced
if replaced:
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