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chore: include length context in slice_log_prob_with_cp assert #1862

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Merged
zhuzilin merged 1 commit into from
Apr 28, 2026
Merged

chore: include length context in slice_log_prob_with_cp assert #1862

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5 changes: 4 additions & 1 deletion slime/backends/megatron_utils/cp_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -223,7 +223,10 @@ def slice_log_prob_with_cp(
qkv_format: str = "thd",
max_token_len: int | None = None,
) -> list[float] | torch.Tensor:
assert len(log_prob) == response_length
assert len(log_prob) == response_length, (
f"log_prob length mismatch: len(log_prob)={len(log_prob)}, "
f"response_length={response_length}, total_length={total_length}"
)

cp_size = mpu.get_context_parallel_world_size()

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