issue/199 - 支持qwen3模型

csrc/models/llama/llama_attention.cpp

@@ -29,6 +29,7 @@ LlamaAttention::LlamaAttention(const LlamaConfig &config,
       kv_dim_(config.kv_dim()),
       use_bias_(config.attention_bias),
       use_output_bias_(config.attention_output_bias),
+      use_qk_norm_(config.qk_norm),
       max_position_embeddings_(config.max_position_embeddings), rank_info_(rank_info) {
     const auto &dtype{config.dtype};
 
@@ -50,8 +51,14 @@ LlamaAttention::LlamaAttention(const LlamaConfig &config,
     INFINILM_QKV_LINEAR_INIT(qkv_proj, "q_proj", "k_proj", "v_proj", hidden_size_, head_dim_, config.num_attention_heads, config.num_key_value_heads, use_bias_,
                              dtype, device, rank_info);
     // Output projection uses attention_output_bias (can be different from qkv)
-    INFINICORE_NN_MODULE_INIT(o_proj, hidden_size_, hidden_size_, use_output_bias_,
+    INFINICORE_NN_MODULE_INIT(o_proj, num_attention_heads * head_dim_, hidden_size_, use_output_bias_,
                               dtype, device, tp_rank, tp_size, rank_info.comm);
+
+    // Initialize qk RMSNorm
+    if (use_qk_norm_) {
+        INFINICORE_NN_MODULE_INIT(q_norm, head_dim_, config.rms_norm_eps, dtype, device);
+        INFINICORE_NN_MODULE_INIT(k_norm, head_dim_, config.rms_norm_eps, dtype, device);
+    }
 }
 
 infinicore::Tensor LlamaAttention::forward_(const infinicore::Tensor &hidden_states,
@@ -68,6 +75,11 @@ infinicore::Tensor LlamaAttention::forward_(const infinicore::Tensor &hidden_sta
     // 1. Project Q, K, V
     auto [q, k, v] = qkv_proj_->forward_split(hidden_states_mutable);
 
+    if (use_qk_norm_) {
+        q = q_norm_->forward(q->view({batch_size * seq_len, num_attention_heads_, head_dim_}));
+        k = k_norm_->forward(k->view({batch_size * seq_len, num_key_value_heads_, head_dim_}));
+    }
+
     // 2. Reshape for multi-head attention
     // Reshape Q, K, V to include batch dimension
     // Python: query_states = self.q_proj(hidden_states).view(querys_shape)
@@ -172,6 +184,11 @@ infinicore::Tensor LlamaAttention::forward_paged_(const infinicore::Tensor &hidd
     auto k_reshaped = k->view({seq_len, num_key_value_heads_, head_dim_});
     auto v_reshaped = v->view({seq_len, num_key_value_heads_, head_dim_});
 
+    if (use_qk_norm_) {
+        q_reshaped = q_norm_->forward(q_reshaped);
+        k_reshaped = k_norm_->forward(k_reshaped);
+    }
+
     // 3. Prepare position_ids for RoPE - align with Python pattern
     auto pos_shape = position_ids->shape();
     infinicore::Tensor pos_ids_for_rope = position_ids;

csrc/models/llama/llama_attention.hpp

@@ -7,6 +7,7 @@
 
 #include "infinicore/nn/linear.hpp"
 #include "infinicore/nn/module.hpp"
+#include "infinicore/nn/rmsnorm.hpp"
 #include "infinicore/nn/rope.hpp"
 #include "infinicore/tensor.hpp"
 #include "llama_config.hpp"
@@ -92,7 +93,8 @@ protected:
     // Projection layers
     INFINICORE_NN_MODULE(infinilm::layers::QKVParallelLinear, qkv_proj);
     INFINICORE_NN_MODULE(infinicore::nn::RowParallelLinear, o_proj);
-
+    INFINICORE_NN_MODULE(infinicore::nn::RMSNorm, q_norm);
+    INFINICORE_NN_MODULE(infinicore::nn::RMSNorm, k_norm);
     engine::distributed::RankInfo rank_info_;
 
     // Shared Rotary Position Embeddings (RoPE)
@@ -107,6 +109,7 @@ private:
     size_t kv_dim_;
     bool use_bias_;                  // Bias for Q/K/V projections
     bool use_output_bias_;           // Bias for output projection (o_proj)
+    bool use_qk_norm_;               // Whether to use QK RMSNorm
     size_t max_position_embeddings_; // For cache initialization (deprecated, kept for compatibility)
 
     float scaling_;

csrc/models/llama/llama_config.hpp

@@ -51,6 +51,7 @@ struct LlamaConfig : public InfinilmModel::Config {
     bool attention_output_bias = false; // Whether to use bias in output projection (o_proj)
     bool mlp_bias = false;              // Whether to use bias in MLP projections
     bool tie_word_embeddings = false;   // Whether to tie input/output embeddings
+    bool qk_norm = false;               // Whether to use QK RMSNorm
 
     // Training/initialization parameters
     double attention_dropout = 0.0;  // Dropout ratio for attention probabilities

csrc/pybind11/models/llama.hpp

@@ -64,6 +64,7 @@ inline void bind_llama(py::module &m) {
         .def_readwrite("attention_output_bias", &LlamaConfig::attention_output_bias)
         .def_readwrite("mlp_bias", &LlamaConfig::mlp_bias)
         .def_readwrite("tie_word_embeddings", &LlamaConfig::tie_word_embeddings)
+        .def_readwrite("qk_norm", &LlamaConfig::qk_norm)
         .def_readwrite("use_cache", &LlamaConfig::use_cache)
         .def_readwrite("attention_dropout", &LlamaConfig::attention_dropout)
         .def_readwrite("initializer_range", &LlamaConfig::initializer_range)
@@ -196,6 +197,7 @@ inline void bind_llama(py::module &m) {
             dir_list.append("attention_output_bias");
             dir_list.append("mlp_bias");
             dir_list.append("tie_word_embeddings");
+            dir_list.append("qk_norm");
             dir_list.append("use_cache");
             dir_list.append("attention_dropout");
             dir_list.append("initializer_range");

python/infinilm/auto_config.py

@@ -21,7 +21,9 @@ class AutoConfig:
 
         if config_dict["model_type"] == "llama":
             return LlamaConfig(**config_dict)
-        elif config_dict["model_type"] == "qwen2":
+        elif (
+            config_dict["model_type"] == "qwen2" or config_dict["model_type"] == "qwen3"
+        ):
             return LlamaConfig(**config_dict)
 
         raise ValueError(f"Unsupported model type `{config_dict['model_type']}`.")

python/infinilm/models/llama/configuration_llama.py

@@ -186,6 +186,10 @@ class LlamaConfig(PretrainedConfig, _infinilm.LlamaConfig):
     ):
         _infinilm.LlamaConfig.__init__(self)
 
+        original_model_type = kwargs.get("model_type", None)
+        if original_model_type == "qwen3":
+            self.qk_norm = True
+
         # ---
         self.model_type = "llama"
         self.name_or_path = ""