tf_efficientnet_cc_b0_8e_in1k 在昇腾 NPU 上的适配

============================================================
  模型: tf_efficientnet_cc_b0_8e_in1k
  时间: 2026-05-19 10:57:10
  设备: Ascend NPU (npu:0)
============================================================

=== tf_efficientnet_cc_b0_8e.in1k ===
Dtype: torch.float32

--- CPU 推理 ---
输出形状: torch.Size([1, 1000])
输出前5值: [-0.927486002445221, 0.29726722836494446, 0.5387797355651855, 0.3243047595024109, 0.9838120341300964]
推理时间: 183.32ms

--- NPU 推理 ---
输出形状: torch.Size([1, 1000])
输出前5值: [-0.9264559149742126, 0.29694074392318726, 0.5382472276687622, 0.32377737760543823, 0.9835825562477112]
推理时间: 8.84ms

=== 精度对比 ===
Cosine Similarity: 1.000000
Max Absolute Error: 0.002670
Relative Error: 0.004840

✓ NPU 适配通过

# 环境准备
source /usr/local/Ascend/ascend-toolkit/set_env.sh

# 运行推理
python3 inference.py --device npu:0