[Feature] Qwen3 next support sp.

vllm_ascend/models/qwen3_next.py

@@ -618,14 +618,19 @@ def forward(
         positions: torch.Tensor = None,
         **kwargs: object,
     ):
+        self_attention_output = torch.empty_like(hidden_states)
         if residual is None:
             residual = hidden_states
             hidden_states = self.input_layernorm(hidden_states)
+            forward_context = get_forward_context()
+            if forward_context.sp_enabled:
+                tp_size = get_tensor_model_parallel_world_size()
+                chunk_size = (hidden_states.shape[0] + forward_context.pad_size) // tp_size
+                self_attention_output = self_attention_output[:chunk_size, :]
         else:
             hidden_states, residual = self.input_layernorm(
                 hidden_states, residual)
 
-        self_attention_output = torch.empty_like(hidden_states)
         if self.layer_type == "linear_attention":
             self.linear_attn(
                 hidden_states=hidden_states,

vllm_ascend/ops/layernorm.py

@@ -19,7 +19,7 @@
 
 import torch
 from vllm.forward_context import get_forward_context
-from vllm.model_executor.layers.layernorm import RMSNorm
+from vllm.model_executor.layers.layernorm import RMSNorm, GemmaRMSNorm
 
 
 def _addrmsnorm_forward_oot(
@@ -130,3 +130,50 @@ def forward_oot(
             x, residual = super().forward_oot(x, residual)
             return x.add_(self.bias), residual
         return cast(torch.Tensor, super().forward_oot(x)).add_(self.bias)
+
+
+class AscendGemmaRMSNorm(GemmaRMSNorm):
+    """RMS normalization for Gemma.
+
+    Two differences from the above RMSNorm:
+        1. x * (1 + w) instead of x * w.
+        2. (x * w).to(orig_dtype) instead of x.to(orig_dtype) * w.
+    """
+
+    @staticmethod
+    def forward_static(
+            weight: torch.Tensor,
+            variance_epsilon: float,
+            x: torch.Tensor,
+            residual: Optional[torch.Tensor],
+    ) -> Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]]:
+        """PyTorch-native implementation equivalent to forward()."""
+        orig_dtype = x.dtype
+        if residual is not None:
+            residual = torch.ops.vllm.maybe_chunk_residual(x, residual)
+            if orig_dtype == torch.float16:
+                x = x + residual.float()
+            else:
+                x = x + residual
+            residual = x
+
+        x = x.float()
+        variance = x.pow(2).mean(dim=-1, keepdim=True)
+        x = x * torch.rsqrt(variance + variance_epsilon)
+        # Llama does x.to(float16) * w whilst Gemma is (x * w).to(float16)
+        # See https://github.com/huggingface/transformers/pull/29402
+        x = x * (1.0 + weight.float())
+        x = x.to(orig_dtype)
+        return x if residual is None else (x, residual)
+
+    @staticmethod
+    def forward_oot(
+        self,
+        variance_epsilon: float,
+        x: torch.Tensor,
+        residual: Optional[torch.Tensor] = None,
+    ) -> Union[torch.Tensor, tuple[torch.Tensor, torch.Tensor]]:
+        """PyTorch-native implementation equivalent to forward()."""
+        return self.forward_static(self.weight.data, self.variance_epsilon, x,
+                                   residual)
+

vllm_ascend/ops/linear.py

@@ -34,8 +34,7 @@
     QuantizationConfig
 from vllm.model_executor.utils import set_weight_attrs
 
-from vllm_ascend.ops.linear_op import (get_column_parallel_op,
-                                       get_row_parallel_op)
+from vllm_ascend.ops.linear_op import get_parallel_op
 
 
 # TODO(realliujiaxu): Remove this class after linear of vllm supports custom comm group
@@ -100,8 +99,8 @@ def __init__(
         return_bias: bool = True,
         disable_tp: bool = False,
     ):
-        self.custom_op, _, tp_size = get_column_parallel_op(
-            disable_tp, prefix, self)
+        self.custom_op, _, tp_size = get_parallel_op(
+            disable_tp, prefix, self, "column")
         # TODO(realliujiaxu): Replace the initialization code below with super().__init__ after linear of vllm supports custom comm group
         self.hidden_size = hidden_size
         self.head_size = head_size
@@ -173,8 +172,8 @@ def __init__(
         return_bias: bool = True,
         disable_tp: bool = False,
     ):
-        self.custom_op, self.tp_rank, self.tp_size = get_column_parallel_op(
-            disable_tp, prefix, self)
+        self.custom_op, self.tp_rank, self.tp_size = get_parallel_op(
+            disable_tp, prefix, self, "column")
         # TODO(realliujiaxu): Replace the initialization code below with super().__init__ after linear of vllm supports custom comm group
         self.output_sizes = output_sizes
         assert all(output_size % self.tp_size == 0
@@ -222,8 +221,8 @@ def __init__(
         return_bias: bool = True,
         disable_tp: bool = False,
     ):
-        self.custom_op, self.tp_rank, self.tp_size = get_row_parallel_op(
-            disable_tp, prefix, self)
+        self.custom_op, self.tp_rank, self.tp_size = get_parallel_op(
+            disable_tp, prefix, self, "row")
         # TODO(realliujiaxu): Replace the initialization code below with super().__init__ after linear of vllm supports custom comm group
         # Divide the weight matrix along the first dimension.
         self.input_size_per_partition = divide(input_size, self.tp_size)
@@ -304,8 +303,8 @@ def __init__(
         return_bias: bool = True,
         disable_tp: bool = False,
     ):
-        self.custom_op, self.tp_rank, self.tp_size = get_column_parallel_op(
-            disable_tp, prefix, self)
+        self.custom_op, self.tp_rank, self.tp_size = get_parallel_op(
+            disable_tp, prefix, self, "column")
         # TODO(realliujiaxu): Replace the initialization code below with super().__init__ after linear of vllm supports custom comm group
         self.input_size_per_partition = input_size
         self.output_size_per_partition = divide(output_size, self.tp_size)

vllm_ascend/ops/linear_op.py

@@ -98,9 +98,11 @@
 
 class CustomColumnParallelOp(CustomTensorParallelOp):
 
-    def __init__(self, layer):
+    def __init__(self, layer, prefix, skip_first_layer=False):
         super().__init__(layer)
         self.gather_output = None
+        self.prefix = prefix
+        self.skip_first_layer = skip_first_layer
 
     def update_attrs(self):
         super().update_attrs()
@@ -133,7 +135,7 @@
 class MLPColumnParallelOp(CustomColumnParallelOp):
 
     def __init__(self, layer):
         super().__init__(layer)
 
     @property
     def comm_group(self):
@@ -169,7 +171,13 @@
         # Matrix multiply.
         assert self.quant_method is not None
 
-        input_ = torch.ops.vllm.maybe_all_gather_and_maybe_unpad(input_, True)
+        input_ = None
+        if self.skip_first_layer:
+            layer_num = self.prefix.split('.')[2]
+            input_ = torch.ops.vllm.maybe_all_gather_and_maybe_unpad(
+                input_, layer_num != '0')
+        else:
+            input_ = torch.ops.vllm.maybe_all_gather_and_maybe_unpad(input_, True)
         output_parallel = self.quant_method.apply(self.layer, input_, bias)
 
         if self.gather_output:
@@ -183,10 +191,6 @@
 
 class SequenceQKVParallelOp(CustomColumnParallelOp):
 
-    def __init__(self, layer, prefix):
-        super().__init__(layer)
-        self.prefix = prefix
-
     def apply_impl(
         self, input_: torch.Tensor
     ) -> Union[torch.Tensor, tuple[torch.Tensor, Optional[Parameter]]]:
@@ -405,50 +409,58 @@
         self.reduce_results = self.layer.reduce_results
 
 
-def get_column_parallel_op(
+def _get_column_parallel_op(
     disable_tp, prefix, layer
 ) -> Tuple[Optional[Union[MLPColumnParallelOp, SequenceMergedColumnParallelOp,
                           SequenceQKVParallelOp]], int, int]:
-    if disable_tp:
-        return None, 0, 1
+    if mlp_tp_enable() and "gate_up_proj" in prefix:
+        return MLPColumnParallelOp(layer)
+    if enable_sp():
+        if "gate_up_proj" in prefix:
+            return SequenceMergedColumnParallelOp(layer, prefix)
+        if "in_proj" in prefix:
+            return SequenceMergedColumnParallelOp(layer, prefix, True)
+        if "qkv_proj" in prefix or "conv1d" in prefix:
+            return SequenceQKVParallelOp(layer, prefix, True)
 
-    custom_op: Optional[Union[
-        MLPColumnParallelOp,
-        SequenceMergedColumnParallelOp,
-        SequenceQKVParallelOp,
-    ]] = None
-    if "gate_up_proj" in prefix and mlp_tp_enable():
-        custom_op = MLPColumnParallelOp(layer)
-    elif "gate_up_proj" in prefix and enable_sp():
-        custom_op = SequenceMergedColumnParallelOp(layer)
-    elif enable_sp():
-        custom_op = SequenceQKVParallelOp(layer, prefix)
+    return None
 
-    if custom_op is not None:
-        return custom_op, custom_op.tp_rank, custom_op.tp_size
 
-    return None, get_tp_group().rank_in_group, get_tp_group().world_size
-
-
-def get_row_parallel_op(
-    disable_tp, prefix, layer
+def _get_row_parallel_op(
+    prefix, layer
 ) -> Tuple[Optional[Union[MLPRowParallelOp, OProjRowParallelOp,
                           MatmulAllreduceRowParallelOp,
                           SequenceRowParallelOp]], int, int]:
+    if "down_proj" in prefix and mlp_tp_enable():
+        return MLPRowParallelOp(layer)
+    if "o_proj" in prefix and oproj_tp_enable():
+        return OProjRowParallelOp(layer)
+    if matmul_allreduce_enable():
+        return MatmulAllreduceRowParallelOp(layer)
+    if enable_sp():
+        if "o_proj" in prefix or "out_proj" in prefix:
+            return SequenceRowParallelOp(layer, prefix)
+
+    return None
+
+
+def get_parallel_op(disable_tp, prefix, layer, direct):
     if disable_tp:
         return None, 0, 1
-
-    custom_op: Optional[Union[MLPRowParallelOp, OProjRowParallelOp,
-                              MatmulAllreduceRowParallelOp,
-                              SequenceRowParallelOp]] = None
-    if "down_proj" in prefix and mlp_tp_enable():
-        custom_op = MLPRowParallelOp(layer)
-    elif "o_proj" in prefix and oproj_tp_enable():
-        custom_op = OProjRowParallelOp(layer)
-    elif matmul_allreduce_enable():
-        custom_op = MatmulAllreduceRowParallelOp(layer)
-    elif enable_sp():
-        custom_op = SequenceRowParallelOp(layer, prefix)
+    custom_op: Optional[Union[
+            MLPColumnParallelOp,
+            SequenceMergedColumnParallelOp,
+            SequenceQKVParallelOp,
+            MLPRowParallelOp,
+            OProjRowParallelOp,
+            MatmulAllreduceRowParallelOp,
+            SequenceRowParallelOp
+        ]] = None
+    if direct == "row":
+        custom_op = _get_row_parallel_op(prefix, layer)
+
+    if direct == "column":
+        custom_op = _get_column_parallel_op(prefix, layer)
 
     if custom_op is not None:
         return custom_op, custom_op.tp_rank, custom_op.tp_size

vllm_ascend/utils.py

@@ -500,7 +500,9 @@ def register_ascend_customop(vllm_config: Optional[VllmConfig] = None):
     from vllm_ascend.ops.activation import AscendQuickGELU, AscendSiluAndMul
     from vllm_ascend.ops.common_fused_moe import (AscendFusedMoE,
                                                   AscendSharedFusedMoE)
-    from vllm_ascend.ops.layernorm import AscendQuantRMSNorm, AscendRMSNorm
+    from vllm_ascend.ops.layernorm import (AscendQuantRMSNorm,
+                                           AscendRMSNorm,
+                                           AscendGemmaRMSNorm)
     from vllm_ascend.ops.linear import (AscendColumnParallelLinear,
                                         AscendMergedColumnParallelLinear,
                                         AscendQKVParallelLinear,
@@ -525,6 +527,7 @@ def register_ascend_customop(vllm_config: Optional[VllmConfig] = None):
         "ParallelLMHead": AscendParallelLMHead,
         "LogitsProcessor": AscendLogitsProcessor,
         "RMSNorm": AscendRMSNorm,
+        "GemmaRMSNorm": AscendGemmaRMSNorm,
         "FusedMoE": AscendFusedMoE,
         "SharedFusedMoE": AscendSharedFusedMoE,
         "MultiHeadLatentAttention": AscendMultiHeadLatentAttention,