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Signed-off-by: Lucas Wilkinson <lwilkinson@neuralmagic.com>
This commit is contained in:
Lucas Wilkinson 2025-01-30 03:52:59 +00:00
parent aa19f297d2
commit 534cd0006d
2 changed files with 6 additions and 7 deletions
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4
vllm/config.py
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@ -748,8 +748,6 @@ class ModelConfig:
def get_head_size(self) -> int:
# TODO remove hard code
if self.is_deepseek_mla:
# FlashAttention supports only head_size 32, 64, 128, 256,
# we need to pad head_size 192 to 256
if self.should_use_mla:
return self.hf_text_config.kv_lora_rank
else:
@ -974,7 +972,7 @@ class ModelConfig:
@property
def should_use_mla(self) -> bool:
use_mla = (self.is_deepseek_mla and not self.disable_mla
and not envs.VLLM_DISABLE_MLA)
and not envs.VLLM_MLA_DISABLE)
return use_mla
def supported_runner_types(self) -> Set[RunnerType]:

9
vllm/envs.py
View File

@ -77,6 +77,7 @@ if TYPE_CHECKING:
V_SCALE_CONSTANT: int = 100
VLLM_SERVER_DEV_MODE: bool = False
VLLM_V1_OUTPUT_PROC_CHUNK_SIZE: int = 128
VLLM_MLA_DISABLE: bool = False
VLLM_MLA_PERFORM_MATRIX_ABSORPTION: bool = True
@ -302,10 +303,6 @@ environment_variables: Dict[str, Callable[[], Any]] = {
"VLLM_FLASHINFER_FORCE_TENSOR_CORES":
lambda: bool(int(os.getenv("VLLM_FLASHINFER_FORCE_TENSOR_CORES", "0"))),
# If set, vLLM will disable the MLA attention optimizations.
"VLLM_DISABLE_MLA":
lambda: bool(int(os.getenv("VLLM_DISABLE_MLA", "0"))),
# Pipeline stage partition strategy
"VLLM_PP_LAYER_PARTITION":
lambda: os.getenv("VLLM_PP_LAYER_PARTITION", None),
@ -512,6 +509,10 @@ environment_variables: Dict[str, Callable[[], Any]] = {
"VLLM_V1_OUTPUT_PROC_CHUNK_SIZE":
lambda: int(os.getenv("VLLM_V1_OUTPUT_PROC_CHUNK_SIZE", "128")),
# If set, vLLM will disable the MLA attention optimizations.
"VLLM_MLA_DISABLE":
lambda: bool(int(os.getenv("VLLM_MLA_DISABLE", "0"))),
# Flag that can control whether or not we perform matrix-absorption for MLA
# decode, i.e. absorb W_UK into W_Q/W_UK and W_UV into W_O, absorbing the
# matrices reduces the runtime FLOPs needed to compute MLA but requires