chore: import upstream snapshot with attribution

vllm/model_executor/models/phi3.py

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+# Adapted from llama.py
+"""Inference-only Phi3 model code inherit from Llama.py"""
+
+from vllm.model_executor.models.llama import LlamaForCausalLM
+
+
+class Phi3ForCausalLM(LlamaForCausalLM):
+    packed_modules_mapping = {
+        "qkv_proj": [
+            "qkv_proj",
+        ],
+        "gate_up_proj": [
+            "gate_up_proj",
+        ],
+    }