执行摘要

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• 推荐动作：

功能与动机

实现拆解

1. 核心源码路径
   - vllm/models/deepseek_v4/amd/model.py（data-contract）：源码主路径；涉及符号 _use_heterogeneous_fhmoe, _validate_heterogeneous_routes, _heterogeneous_shared_expert_enabled, _prepare_native_fp8_shared_expert；包含 导入关系调整、控制流调整、配置键调整；+377/-5；关键符号：_use_heterogeneous_fhmoe, _validate_heterogeneous_routes, _heterogeneous_shared_expert_enabled, _prepare_native_fp8_shared_expert
   - vllm/_aiter_ops.py（dependency-wiring）：源码主路径；涉及符号 _validate_rocm_aiter_fused_moe_shared_expert_args, _probe_dsv4_i384_fhmoe_capability, fused_moe_supports_heterogeneous_shared_expert, shuffle_scale；包含 导入关系调整、控制流调整、配置键调整；+107/-0；关键符号：_validate_rocm_aiter_fused_moe_shared_expert_args, _probe_dsv4_i384_fhmoe_capability, fused_moe_supports_heterogeneous_shared_expert, shuffle_scale
   - vllm/model_executor/layers/fused_moe/experts/rocm_aiter_moe.py（data-contract）：源码主路径；包含 控制流调整、配置键调整；+15/-0

2. 测试与验证
   - tests/model_executor/layers/test_fused_shared_expert.py（test-coverage）：测试配套；涉及符号 test_deepseek_v4_heterogeneous_fhmoe_keeps_native_intermediate_width, test_deepseek_v4_heterogeneous_fhmoe_token_policy, supports, _supported_fhmoe_signature；包含 测试覆盖调整、导入关系调整、控制流调整；+340/-1；关键符号：test_deepseek_v4_heterogeneous_fhmoe_keeps_native_intermediate_width, test_deepseek_v4_heterogeneous_fhmoe_token_policy, supports, _supported_fhmoe_signature

关键文件：

• vllm/models/deepseek_v4/amd/model.py（模块 vllm/models；类别 source；类型 data-contract；符号 _use_heterogeneous_fhmoe, _validate_heterogeneous_routes, _heterogeneous_shared_expert_enabled, _prepare_native_fp8_shared_expert）: 源码主路径；涉及符号 _use_heterogeneous_fhmoe, _validate_heterogeneous_routes, _heterogeneous_shared_expert_enabled, _prepare_native_fp8_shared_expert；包含 导入关系调整、控制流调整、配置键调整；+377/-5
• vllm/_aiter_ops.py（模块 vllm；类别 source；类型 dependency-wiring；符号 _validate_rocm_aiter_fused_moe_shared_expert_args, _probe_dsv4_i384_fhmoe_capability, fused_moe_supports_heterogeneous_shared_expert, shuffle_scale）: 源码主路径；涉及符号 _validate_rocm_aiter_fused_moe_shared_expert_args, _probe_dsv4_i384_fhmoe_capability, fused_moe_supports_heterogeneous_shared_expert, shuffle_scale；包含 导入关系调整、控制流调整、配置键调整；+107/-0
• tests/model_executor/layers/test_fused_shared_expert.py（模块 fused/shared/expert；类别 test；类型 test-coverage；符号 test_deepseek_v4_heterogeneous_fhmoe_keeps_native_intermediate_width, test_deepseek_v4_heterogeneous_fhmoe_token_policy, supports, _supported_fhmoe_signature）: 测试配套；涉及符号 test_deepseek_v4_heterogeneous_fhmoe_keeps_native_intermediate_width, test_deepseek_v4_heterogeneous_fhmoe_token_policy, supports, _supported_fhmoe_signature；包含 测试覆盖调整、导入关系调整、控制流调整；+340/-1
• vllm/model_executor/layers/fused_moe/experts/rocm_aiter_moe.py（模块 vllm/model_executor；类别 source；类型 data-contract）: 源码主路径；包含 控制流调整、配置键调整；+15/-0

关键符号：_use_heterogeneous_fhmoe, _validate_heterogeneous_routes, _heterogeneous_shared_expert_enabled, _prepare_native_fp8_shared_expert, scale_bytes, DeepseekV4HeterogeneousMxfp4MoEMethod, process_weights_after_loading, DeepseekV4HeterogeneousSharedRoutedExperts, _validate_rocm_aiter_fused_moe_shared_expert_args, _probe_dsv4_i384_fhmoe_capability

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