diff --git a/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/README.md b/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/README.md
index fda58942fdc91d2049c6bae9acdbba22bd9b33b3..2d24c7c41d59a53cf20d0cebfcf148fa596b435c 100644
--- a/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/README.md
+++ b/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/README.md
@@ -75,6 +75,12 @@ UltraFast是基于点回归的方式进行车道线识别的网络模型
 |---------------|-------|-------|
 | UltraFast Acc | 99.7% | 99.7% |
 
+- 性能结果比对
+
+| 性能指标项         | GPU实测 | NPU实测 |
+|---------------|-------|-------|
+| FPS | 36.17 |61.76 |
+
 
 
 <h2 id="高级参考.md">高级参考</h2>
diff --git a/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/train_ultrafast.py b/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/train_ultrafast.py
index 582a886367151dd3173f09e096cbe2dc492885f8..d0d38ad1643cb1fc20a42b91d040ed010d515854 100644
--- a/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/train_ultrafast.py
+++ b/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/train_ultrafast.py
@@ -28,6 +28,8 @@
 
 
 import npu_device as npu
+npu_device.global_options().op_compiler_cache_mode="enable"
+npu_device.global_options().op_compiler_cache_dir="/mnt/home/test_user08/UltraFast_NPU/my_kernel_cache"
 npu.open().as_default()
 
 import tensorflow as tf
diff --git a/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/utils/datasets.py b/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/utils/datasets.py
index 2ede39232253aee5b89be74e351692df6626b8b0..da95e1c5077ce4b33c66d29ab0d597d052419227 100644
--- a/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/utils/datasets.py
+++ b/TensorFlow2/contrib/cv/UltraFast_for_TensorFlow2/utils/datasets.py
@@ -189,7 +189,7 @@ def load_json_dataset(json_file_pattern, processor, max_records=None, shuffle_si
     if premap_func is not None:
         ds = premap_func(ds)
         
-    ds = ds.map(processor.process_json)
+    ds = ds.map(processor.process_json, num_parallel_calls=64)
     return ds