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[MISC] add cpu_kvcache_space_bytes to CacheConfig #19812

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Merged
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Jun 22, 2025
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[MISC] add cpu_kvcache_space_bytes to CacheConfig #19812

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2 changes: 2 additions & 0 deletions vllm/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1506,6 +1506,8 @@ class CacheConfig:
"""This enables dynamic calculation of `k_scale` and `v_scale` when
kv_cache_dtype is fp8. If `False`, the scales will be loaded from the model
checkpoint if available. Otherwise, the scales will default to 1.0."""
cpu_kvcache_space_bytes: Optional[int] = None
"""(CPU backend only) CPU key-value cache space."""

# Will be set after profiling.
num_gpu_blocks: Optional[int] = field(default=None, init=False)
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