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[MISC] add cpu_kvcache_space_bytes to CacheConfig (#19812)

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Signed-off-by: Andy Xie <andy.xning@gmail.com>
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Ning Xie 2025-06-22 13:39:09 +08:00 committed by GitHub
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commit 2bb246b8f7
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vllm/config.py
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@ -1506,6 +1506,8 @@ class CacheConfig:
"""This enables dynamic calculation of `k_scale` and `v_scale` when """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 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.""" 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. # Will be set after profiling.
num_gpu_blocks: Optional[int] = field(default=None, init=False) num_gpu_blocks: Optional[int] = field(default=None, init=False)