安装了跑神经网络的环境，所遇到的问题及解惑1

cuda：12.2

cudnn：8.9.7

tensorflow库：2.17.0

(python310_test) {9:37}/home/code/python ➭ python mnist_test.py
2024-09-06 09:39:29.473128: E external/local_xla/xla/stream_executor/cuda/cuda_dnn.cc:9261] Unable to register cuDNN factory: Attempting to register factory for plugin cuDNN when one has already been registered
2024-09-06 09:39:29.473229: E external/local_xla/xla/stream_executor/cuda/cuda_fft.cc:607] Unable to register cuFFT factory: Attempting to register factory for plugin cuFFT when one has already been registered
2024-09-06 09:39:29.474765: E external/local_xla/xla/stream_executor/cuda/cuda_blas.cc:1515] Unable to register cuBLAS factory: Attempting to register factory for plugin cuBLAS when one has already been registered
2024-09-06 09:39:29.486496: I tensorflow/core/platform/cpu_feature_guard.cc:182] This TensorFlow binary is optimized to use available CPU instructions in performance-critical operations.
To enable the following instructions: FMA, in other operations, rebuild TensorFlow with the appropriate compiler flags.
2024-09-06 09:39:31.073095: W tensorflow/compiler/tf2tensorrt/utils/py_utils.cc:38] TF-TRT Warning: Could not find TensorRT
2024-09-06 09:39:33.295797: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:33.356094: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:33.356833: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:33.360581: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:33.361110: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:33.361697: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:36.333888: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:36.334434: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:36.334755: I tensorflow/core/common_runtime/gpu/gpu_device.cc:2022] Could not identify NUMA node of platform GPU id 0, defaulting to 0.  Your kernel may not have been built with NUMA support.
2024-09-06 09:39:36.335313: I external/local_xla/xla/stream_executor/cuda/cuda_executor.cc:887] could not open file to read NUMA node: /sys/bus/pci/devices/0000:01:00.0/numa_node
Your kernel may have been built without NUMA support.
2024-09-06 09:39:36.335407: I tensorflow/core/common_runtime/gpu/gpu_device.cc:1929] Created device /job:localhost/replica:0/task:0/device:GPU:0 with 1300 MB memory:  -> device: 0, name: NVIDIA GeForce GTX 960, pci bus id: 0000:01:00.0, compute capability: 5.2
Epoch 1/5
2024-09-06 09:39:39.774178: I external/local_xla/xla/service/service.cc:168] XLA service 0x7fac628d10f0 initialized for platform CUDA (this does not guarantee that XLA will be used). Devices:
2024-09-06 09:39:39.774274: I external/local_xla/xla/service/service.cc:176]   StreamExecutor device (0): NVIDIA GeForce GTX 960, Compute Capability 5.2
2024-09-06 09:39:39.784928: I tensorflow/compiler/mlir/tensorflow/utils/dump_mlir_util.cc:269] disabling MLIR crash reproducer, set env var `MLIR_CRASH_REPRODUCER_DIRECTORY` to enable.
2024-09-06 09:39:40.969447: I external/local_xla/xla/stream_executor/cuda/cuda_dnn.cc:454] Loaded cuDNN version 8907
WARNING: All log messages before absl::InitializeLog() is called are written to STDERR
I0000 00:00:1725586781.124390    1795 device_compiler.h:186] Compiled cluster using XLA!  This line is logged at most once for the lifetime of the process.
1875/1875 [==============================] - 22s 10ms/step - loss: 0.3729 - accuracy: 0.8871
Epoch 2/5
1875/1875 [==============================] - 18s 10ms/step - loss: 0.1962 - accuracy: 0.9396
Epoch 3/5
1875/1875 [==============================] - 19s 10ms/step - loss: 0.1528 - accuracy: 0.9539
Epoch 4/5
1875/1875 [==============================] - 19s 10ms/step - loss: 0.1269 - accuracy: 0.9600
Epoch 5/5
1875/1875 [==============================] - 19s 10ms/step - loss: 0.1132 - accuracy: 0.9646
313/313 [==============================] - 3s 10ms/step - loss: 0.1134 - accuracy: 0.9652
1/1 [==============================] - 0s 115ms/step
[7 2 1 0 4]
[7 2 1 0 4]

前两种颜色的问题，网上都有相关的，忘了截图了，反正可以不用在意。

后两种颜色的解惑

 https://blog.csdn.net/Deaohst/article/details/125708952